Ernest Miller Hemingway (July 21, 1899—July 2, 1961) was an American writer and journalist. His writing style had a strong influence on 20th-century fiction, while his life of adventure and his public image(形象) affected later generations. Hemingway produced most of his works between the mid-1920s and the mid-1950s, and won the Nobel Prize for Literature in 1954.
Hemingway was raised in Illinois. After high school he reported for The Kansas City Star, before leaving for the Italian front to enlist with the World War I ambulance drivers. In 1918, he was seriously wounded and returned home. In 1922, he married Hadley Richardson. The couple moved to Paris, where he worked as a foreign journalist. Advised and encouraged by other American writers in Paris—F. Scott Fitzgerald, Gertrude Stein, Ezra Pound, he began to see his work appear in print there, and in 1925 his first important book, a collection of stories called In Our Time, was published. A year later, he published The Sun Also Rises, a novel with which he scored his first solid success. The writing of books occupied Hemingway for most of the postwar years. He remained based in Paris, but he traveled widely for bullfighting(斗牛), fishing, and hunting that by then had become part of his life and formed the background for much of his writing. Hemingway’s love of Spain and bullfighting resulted in Death in the Afternoon (1932). His position as a master of short fiction had been advanced by Men Without Women in 1927. The harvest of Hemingway’s considerable experience of Spain in war and peace was the novel For Whom the Bell Tolls (1940). In the public view, however, the novel A Farewell to Arms (1929) overshadowed such works.
Shortly after he published The Old Man and the Sea in 1952, Hemingway went to Africa, where he was almost killed in a plane crash that left him in pain or ill-health for much of the rest of his life. Hemingway lived in Florida and Cuba during the 1930s and 1940s, but in 1959 he moved from Cuba to Ketchum, Idaho, where ended his life in the summer of 1961.
1.Which best arranges Hemingway’s works in the correct order of time?
a. A Farewell to Arms b. Men Without Women
c. The Old Man and the Sea d. Death in the Afternoon
e. The Sun Also Rises f. For Whom the Bell Tolls
A. e, a, b, f, d, c B. e, b, a, d, f, c
C. b, a, d, f, e, c D. b, d, a, e, c, f
2.The underlined sentence in Paragraph 3 probably means that A Farewell to Arms .
A. was thought to be better than other works of Hemingway’s
B. was considered to make a show in Hemingway’s life
C. was only as excellent as the other works of Hemingway’s
D. was believed to be among the worst works of Hemingway’s
3.Which of the following is TRUE according to the passage?
A. Hemingway must have spent his childhood in Italy.
B. Hemingway was an energetic writer with a wide interest.
C. Hemingway’s first book In Our Time was published before 1925.
D Hemingway won the Nobel Prize for Literature just before his death.
4.It can be concluded from the passage that .
A. Hemingway produced most of his works in Africa
B. Hemingway led a very happy life in his last few years
C. most of Hemingway’s works were based on his life experience
D. Hemingway’s writing style affected the life of later generations
高三英语阅读理解中等难度题
Ernest Miller Hemingway (July 21, 1899—July 2, 1961) was an American writer and journalist. His writing style had a strong influence on 20th-century fiction, while his life of adventure and his public image(形象) affected later generations. Hemingway produced most of his works between the mid-1920s and the mid-1950s, and won the Nobel Prize for Literature in 1954.
Hemingway was raised in Illinois. After high school he reported for The Kansas City Star, before leaving for the Italian front to enlist with the World War I ambulance drivers. In 1918, he was seriously wounded and returned home. In 1922, he married Hadley Richardson. The couple moved to Paris, where he worked as a foreign journalist. Advised and encouraged by other American writers in Paris—F. Scott Fitzgerald, Gertrude Stein, Ezra Pound, he began to see his work appear in print there, and in 1925 his first important book, a collection of stories called In Our Time, was published. A year later, he published The Sun Also Rises, a novel with which he scored his first solid success. The writing of books occupied Hemingway for most of the postwar years. He remained based in Paris, but he traveled widely for bullfighting(斗牛), fishing, and hunting that by then had become part of his life and formed the background for much of his writing. Hemingway’s love of Spain and bullfighting resulted in Death in the Afternoon (1932). His position as a master of short fiction had been advanced by Men Without Women in 1927. The harvest of Hemingway’s considerable experience of Spain in war and peace was the novel For Whom the Bell Tolls (1940). In the public view, however, the novel A Farewell to Arms (1929) overshadowed such works.
Shortly after he published The Old Man and the Sea in 1952, Hemingway went to Africa, where he was almost killed in a plane crash that left him in pain or ill-health for much of the rest of his life. Hemingway lived in Florida and Cuba during the 1930s and 1940s, but in 1959 he moved from Cuba to Ketchum, Idaho, where ended his life in the summer of 1961.
1.Which best arranges Hemingway’s works in the correct order of time?
a. A Farewell to Arms b. Men Without Women
c. The Old Man and the Sea d. Death in the Afternoon
e. The Sun Also Rises f. For Whom the Bell Tolls
A. e, a, b, f, d, c B. e, b, a, d, f, c
C. b, a, d, f, e, c D. b, d, a, e, c, f
2.The underlined sentence in Paragraph 3 probably means that A Farewell to Arms .
A. was thought to be better than other works of Hemingway’s
B. was considered to make a show in Hemingway’s life
C. was only as excellent as the other works of Hemingway’s
D. was believed to be among the worst works of Hemingway’s
3.Which of the following is TRUE according to the passage?
A. Hemingway must have spent his childhood in Italy.
B. Hemingway was an energetic writer with a wide interest.
C. Hemingway’s first book In Our Time was published before 1925.
D Hemingway won the Nobel Prize for Literature just before his death.
4.It can be concluded from the passage that .
A. Hemingway produced most of his works in Africa
B. Hemingway led a very happy life in his last few years
C. most of Hemingway’s works were based on his life experience
D. Hemingway’s writing style affected the life of later generations
高三英语阅读理解中等难度题查看答案及解析
Ernest Hemingway was born in Oak Park, Illinois, on July 21st, 1899. Influenced by his father, he enjoyed camping, fishing and hunting at his early age. In 1917, after graduation from high school, Hemingway began his writing career with The Kansas City Star. And then, after being rejected for army service in World War I because of poor vision, he volunteered to serve as a driver for an American ambulance unit in France. In 1918, he transferred to duty on the Italian front, where he was seriously wounded in an explosion. After his recovery, he returned home. He worked for The Toronto star, covered the Greco-Turkish war as a foreign reporter, and then returned to Paris, which was a city full of intellectual life, creativity, and genius after the war. In Paris, where he accomplished a revolution in literary style and language, his first book, Three Stories and Ten Poems, appeared in 1923, and was followed by a short story collection In Our Time, which marked his entry to American literature in 1925.
Hemingway’s status as a remarkable writer of his time was confirmed with the publication of A Farewell to Arms in 1929. The novel represented a farewell both for war and for love. In 1937, he became a foreign reporter covering the Spanish Civil war. Three years later, he published For Whom the Bell Tolls. Set in Spain during the Civil war, the novel restated his view of love found and lost and described the tough spirit of the common people. In 1912, the same judgment was reflected in his portrait of fisherman, Santiago, with an indomitable spirit in defeat, in The Old Man and the Sea, which was awarded the Pulitzer Prize in 1953. Hemingway won the Nobel Prize in Literature in 1954. With one of the most important influences on the development of the American short story and novel, Hemingway has seized the imagination of the American public like no other twentieth-century author. He died by suicide, in Ketchum, Idaho, in 1961.
1.Hemingway was turned down for army service in World war I because ______ .
A. he was unlearned B. he was in poor condition
C. he was inexperienced D. he had bad eyesight
2.The publication of _______ proved Hemingway one of the greatest literary lights of the 20th century.
A. Three Stories and Ten Poems
B. A Farewell to Arms
C. The Old Man and the Sea
D. In Our Time
3.Which is the correct order of the following events given in this passage?
a. Hemingway’s work For Whom the Bell tolls came out.
b. Hemingway won the Nobel Prize in Literature.
c. Hemingway’s first book was published in Paris.
d. Hemingway got wounded on the Italian front.
e. Hemingway covered the Greco-Turkish war as a foreign reporter.
A. d, e, c, a, b B.e, c, d, a, b
C.a, c, e, b, d D. c, e, a, b, d
4.The underlined word “indomitable” in the last paragraph probably means ______.
A. unending B. unselfish C. unbending D. Unchanging
高三英语阅读理解中等难度题查看答案及解析
Recently, a 1935 letter in which Ernest Hemingway detailed his catch of a 500lb blue marlin(青枪鱼), an adventure that is believed to have partly inspired his novel The Old Man and the Sea, has been sold for﹩28,000 (£22,000).
The handwritten letter was sent by Hemingway on 8 May to the fishing editor of the Miami Herald, laying out in great detail how the author and his friend Henry Strater battled to keep sharks away from the marlin after catching it off the Bahamian island of Bimini.
Nate D Sanders, the auction(拍卖) company which sold the letter, said it documented for the first time in Hemingway's own words not only the size of the marlin, but also the attack by sharks, reflecting the plot of the novel.
The company added that Hemingway's account of the marlin catch differed from other anecdotes of it, one of which described Hemingway using a machine gun on the sharks, which is said to have attracted more sharks rather than frightened them away.
The Old Man and the Sea was also inspired by an anecdote told by Hemingway's Cuban friend Carlos Gutierrez. In 1936, Hemingway wrote in a magazine that Carlos had told him about an old fisherman who caught a great marlin alone.
Three years later, Hemingway told his editor Max Perkins that he was planning a short story about the old commercial fisherman who fought the swordfish all alone in his sailing boat. Instead, he ended up writing For Whom the Bell Tolls, not returning to the story about the old fisherman until January 1951. It won him the Pulitzer in 1953, and was specifically cited when he was awarded the Nobel Prize in 1954.
1.What does the underlined phrase "laying out" in the second paragraph mean?
A. Discussing.
B. Wondering.
C. Imagining.
D. Presenting.
2.What did the auction company stress when selling the 1935letter?
A. The style of the writer.
B. The history of the letter.
C. The contents of the letter.
D. The popularity of the writer.
3.What inspired Hemingway to write The Old Man and The Sea besides his own adventure?
A. Henry Strater's account.
B. Carlos Gutierrez's story.
C. Max Perkins' life experience.
D. Nate D Sanders' description.
4.Which is the correct order of time for the following facts in the passage?
1Hemingway wrote a letter to describe his adventure.
2Hemingway caught a big blue marlin.
3The letter was sold at auction.
4The Old Man and The Sea won the Nobel Prize.
A. ①③②④
B. ②①④③
C. ②④①③
D. ②③①④
高三英语阅读理解困难题查看答案及解析
语法填空
The Old Man and the Sea, a great novel written by the American author Ernest Hemingway, 1.(publish) in 1952. The success of the book made him well-known and contributed2.the honor he received in 1954- the Nobel Prize in Literature .It was Hemingway's last major work of fiction.
The story concerns an old Cuban fisherman named Santiago who has not caught a fish for 84 days.3.(convince) that he will change his bad luck, Santiago takes his boat far out into the Gulf Stream, 4.the water is very deep, and hooks a giant marlin fish which is even longer than his fishing boat. With all his great experience and5. (strong), he struggles with the fish for three days and6.(eventual) succeeds in catching it, but his hard work then goes for nothing-- sharks eat the captured fish7.he can return to the harbor.
Hemingway is famously interested in 8.(idea) of men proving their worth by facing and 9.(overcome) the challenges of nature. Through the old man's struggle, he shows the ability of human spirit10.(bear) hardship and suffering in order to obtain greater success and victory.
高三英语语法填空中等难度题查看答案及解析
In July 1994 Jupiter, the largest planet in our solar system, was struck by 21 pieces of a comet (彗星). When the fragments (碎片) landed in the southern part of the giant planet, the explosions(爆炸) were watched by scientists here on the earth. But what if our own planet was hit by a comet?
The year is 2094. It has been announced that a comet is heading towards the Earth. Most of it will miss our planet, but two fragments will probably hit the southern part of the Earth. The news has caused panic.
On 17 July, a fragment, four kilometers wide, enters the Earth's atmosphere with a huge explosion. About half of the fragment is destroyed. But the major part survives and hits the South Atlantic at 200 times the speed of sound. The sea boils and an enormous(巨大的) wave is created and spreads. The wall of water rushes towards southern Africa at 800 kilometres an hour. Cities on the African coast are totally destroyed and millions of people are drowned. The wave moves into the Indian Ocean and heads towards Asia.
Millions of people are already dead in the southern part of the Earth, but the north won't escape for long. Tons of broken pieces are thrown into the atmosphere by the explosions. As the sun is hidden by clouds of dust, temperatures around the world fall to almost zero. Crops are ruined. Wars break out as countries fight for food. A year later civilization has collapsed(崩溃). No more than 10 million people have survived.
Could it really happen? In fact, it has already happened more than once in the history of the Earth. The dinosaurs were on the Earth for over 160 million years. Then 65 million years ago they suddenly disappeared. Many scientists believe that the Earth was hit by a space fragment. The dinosaurs couldn't survive in the cold climate that followed and they became extinct. Will we meet the same end?
1.Which of the following is NOT TRUE according to the author's description of the disaster in 2094?
A. The whole world becomes extremely cold
B. All the coastal cities in Africa are destroyed
C. The visit of the comet results in wars
D. The whole mankind becomes extinct
2.Why does the author mention dinosaurs at the end of the passage?
A. Because they could only live in the warm climate
B. Because their extinction indicates future disasters
C. Because they once dominated(控制) the earth
D. Because dinosaurs and humans never live in the same age
3. In writing the passage, the author intends to ______.
A. give an accurate description of the possible disaster in the future
B. prove that humans will sooner or later be destroyed
C. warn of a possible disaster in the future
D. tell the historical development of the Earth
4.It can be concluded that the passage is most probably part of a(n) ______.
A. article of popular science B. news report
C. research paper D. horror story
高三英语阅读理解中等难度题查看答案及解析
In July 1994 Jupiter, the largest planet in our solar system, was struck by 21 pieces of a comet (彗星). When the fragments (碎片) landed in the southern part of the giant planet, the explosions were watched by scientists here on earth. But what if our own planet was hit by a comet?
The year is 2094. It has been announced that a comet is heading towards the Earth. Most of it will miss our planet, but two fragments will probably hit the southern part of the Earth. The news has caused panic.
On 17 July, a fragment four kilometers wide enters the Earth's atmosphere with a huge explosion. About half of the fragment is destroyed. But the major part survives and hits the South Atlantic at 200 times the speed of sound. The sea boils and an enormous wave is created and spreads. The wall of water rushes towards southern Africa at 800 kilometres an hour. Cities on the African coast are totally destroyed and millions of people are drowned. The wave moves into the Indian Ocean and heads towards Asia.
Millions of people are already dead in the southern part of the Earth, but the north won't escape for long. Tons of broken pieces are thrown into the atmosphere by the explosions. As the sun is hidden by clouds of dust, temperatures around the world fall to almost zero. Crops are ruined. Wars break out as countries fight for food. A year later civilization has collapsed. No more than 10 million people have survived.
Could it really happen? In fact, it has already happened more than once in the history of the Earth. The dinosaurs were on the Earth for over 160 million years. Then 65 million years ago they suddenly disappeared. Many scientists believe that the Earth was hit by a space fragment. The dinosaurs couldn't survive in the cold climate that followed and they became extinct. Will we meet the same end?
【小题1】55.Which of the following is NOT TRUE according to the author's description of the disaster in 2094?
A. The whole world becomes extremely cold
B. All the coastal cities in Africa are destroyed
C. The visit of the comet results in wars
D. The whole mankind becomes extinct
【小题2】56.Why does the author mention dinosaurs at the end of the passage?
A. Because they could only live in the warm climate
B. Because their extinction indicates future disasters
C. Because they once dominated the earth
D. Because dinosaurs and humans never live in the same age
【小题3】57.In writing the passage, the author intends to ______.
A. give an accurate description of the possible disaster in the future
B. prove that humans will sooner or later be destroyed
C. warn of a possible disaster in the future
D. tell the historical development of the Earth
58.It can be concluded that the passage is most probably part of a(n) ______.
A. article of popular science B. news report
C. research paper D. horror story
高三英语阅读理解中等难度题查看答案及解析
It was July 1976. An unmanned spaceship, Viking One, had arrived at Mars. On July 20th, the spaceship . Part of it continued toward a landing on the planet. It fell through the late afternoon Mars’ sky.
Forty kilometers above the planet, the thin began to slow its fall. Six kilometers above the planet a big parachute(降落伞)opened. The landing craft fell more slowly. Then, three rocket engines . And the landing craft set down on the surface. in the Viking One Lander immediately sent a message to the earth. It said, “I am here. I am down safely. I am beginning my work. ”
The message at the speed of light. It took twenty minutes to reach the earth, more than three hundred and twenty million kilometers . Scientists and engineers at the control center .
Moments later, television receiver in the control center began to the first picture from Viking One. People at the center could see the feet of the landing craft sitting firmly on the 11 soil of Mars. Those pictures were our first look at the planet. They showed a red surface, full of rocks, with no sign of . It was our first look at a planet that is full of surprises, mysteries and promise. Viking One was launched toward Mars in August, 1975. The spaceship had two : an orbiter(轨道飞行器)and a lander(着陆器). The orbiter would circle Mars. It would take pictures of Mars’ surface. It would the atmosphere.
The would go down to the surface. It would carry to dig up and study soil and .
It also would report about any evidence of life on the planet. The lander would send this to the orbiter and then back to the earth.
1.A. separated B. appeared
C. worked D. started
2. A. correctly B. slowly C. quickly D. directly
3. A. air B. universe
C. space D. atmosphere
4.A. fired B. fell C. opened D. floated
5. A. heavily B. softly
C. suddenly D. immediately
6. A. A computer B. A rocket
C. A pilot D. An astronaut
7.A. spread B. traveled C. shot D. moved
8. A. far B. long C. distant D. away
9.A. shouted B. watched
C. cheered D. welcomed
10. A. make B. take C. show D. search
11. A. red B. brown C. gray D. black
12.A. careful B. close C. real D. clear
13. A. men B. life C. trees D. air
14.A. parts B. rockets C. engines D. centers
15. A. through B. towards C. over D. around
16. A. enter B. examine
C. collect D. discover
17. A. orbiter B. lander
C. spaceship D. rocket
18. A. engineers B. astronauts
C. parachutes D. instruments
19. A. surface B. trees C. rocks D. pictures
20.A. spaceship B. rocket
C. lander D. information
高三英语完型填空中等难度题查看答案及解析
July 21st, 2007 was a typical English summer’s day — it rained for 24 hours! As usual, I rushed home from work at midday to check on the house. Nothing was amiss. By the time I lift work at 5 pm, however, the road into our village was flooded. Our house bad never been flooded but, as I opened the front door, a wave of water greeted me. Thank God the kids weren’t with me, because the house was 5 feet deep in water. We lost everything downstairs. And the plaster had to be torn off the walls, ceilings pulled down.
At first we tried to push on through. We didn’t want to move the children out of home, so we camped upstairs. we put a sheet of plastic across the floor to protect us from the damp. But after three months, we felt very sick, so we moved to a wooden house in a park. The house was small, but at first we were all just delighted to be in a new place. Unfortunately, things took longer than expected and we were there for 10 months. The life there was inconvenient. What surprised me most was how much I missed being part of a community(社区).We had lived in a friendly village with good neighbours, and I’d never thought how much I’d miss that.
Although-our situation was very bad, it’s difficult to feel too sorry for yourself when you look at what’s happening elsewhere. I watched a news report about floods in Northern India and thought , “We didn’t have a straw hut(茅草房)that was swept away , and our house is still sanding . We’re lucky .”
We moved back home in August. With December coming, there’s reconstruction work to be done, so it’s difficult to prepare for Christmas. But I can’t wait — I’m going to throw a party for our friends in the village to say thanks for their support. This year , I won’t need any gifts — living away from home for months has made me realize how little we actually need or miss all our possessions . Although we are replacing things, there’s really no rush — we have our home back, and that’s the main thing.
1.What does the underlined word “amiss” in the first paragraph mean?
A. Wrong. B. Missing. C. Right. D. Found.
2.It can be inferred from the text that the author ________ .
A. was sick of staying upstairs
B. cared much about her children
C. could not stand living a wooden house
D. did not deal well with her family affairs during the flood
3.Why does author say that they were lucky in the third paragraph?
A. Because her situation was not serious.
B. Because many other places were flooded.
C. Because she had been to Northern India.
D. Because some others suffered even more.
4.What does the author mainly want to express by telling her story?
A. She valued human feelings more than before.
B. She realized she almost didn’t need possessions.
C. She found Christmas gifts no longer badly needed.
D. She thought her own home was the most important.
高三英语阅读理解中等难度题查看答案及解析
July 21st. 2007 was a typical English summer’s day—it rained for 24 hours! As usual, I rushed home from work at midday to check on the house. Nothing was amiss. By the time I left work at 5p.m., however, the road into our village was flooded. Our house had never been flooded but, as I opened the front door, a wave of waters greeted me. Thank God! The kids weren’t with me, because the house was 5 feet deep in water. We lost everything downstairs. And the plaster had to be torn off the wall’s ceilings pulled down.
At first we tried to push on through. We didn’t want to move the children out of home. So we camped upstairs. We put a sheet of plastic across the floor to protect us from the damp. But after three months, we felt very sick, so we move to a wooden house in a park. The house was small, but at first we were all just delighted to be in a new place. Unfortunately, things took longer than expected and we were there for 10 months. The life there was inconvenient. What surprised me most was how much I missed being part of a community(社区). We had lived in a friendly village with good neighbors, and I’d never thought how much I’d miss that.
Although our situation was very bad, it’s difficult to feel too sorry for yourself when you look at what’s happening elsewhere. I watched a news report about floods in Northern India and thought. “We didn’t have a straw hut(茅草房)that was for Christmas. But I can’t wait—I’m going to throw a party for our friends in the village to say thanks for their support. This year, I won’t need any gifts—living away from home for months has made me realize how little we actually need or miss all our possessions. Although we are replacing things, there’s really no rush—we have our home back. And that’s the main thing.
1.What does the underlined word “amiss” in the first paragraph mean?
A. Found. B. Missing. C. Right. D. Wrong.
2.It can be inferred from the text that the author _________.
A. cared much about her children
B. was sick of staying upstairs alone
C. could not stand living in a wooden house
D. did not deal well with her family affairs during the flood
3.Why does the author say that they were lucky in the third paragraph?
A. Because her situation was not serious.
B. Because some others suffered even more.
C. Because she had ever been to Northern India.
D. Because very few other places were also flooded.
4.What does the author mainly want to express by telling her story?
A. She realized she needed no more possession.
B. She valued human feelings more than before.
C. She found Christmas gifts no longer badly needed.
D. She thought her own home was the most important of all.
高三英语阅读理解中等难度题查看答案及解析
B
Last July, my 12-year-old car died on California’s Santa Ana Freeway. It was hour before sunset, and I was 25 miles from home. I couldn't reach anyone to pick me up, so I decided to take a bus. Not knowing the routes, I figured I’d just head east. A bus pulled up, and I asked the driver how far she was going. “Four more lights,” she said. There was another bus I could take from there. This clearly was going to be a long night. She dropped me off at the end of her route and told me which bus to look for. After waiting 30 minutes, I began to think about a very expensive taxi ride home. Then a bus pulled up. There was no lighted number above its windshield. It was out of service. But the door opened, and I was surprised to find that it was the same driver. “I just can’t leave you here,” she said. “This isn’t the nicest place. I will give you a ride home.” “You will drive me home in the bus?” I asked, perplexed. “No, I’ll take you in my car,” she said. “It’s a long way,” I protested. “Come on,” she said. “I have nothing else to do.” As we drove from the station in her car,, she began telling me a story. A few days earlier, her brother had run out of gas. A good Samaritan(乐善好施者)picked him up, took him to a service station and then back to his car. “I’m just passing the favor along,” she said. When I offered her money as a thank you, she wouldn’t hear of it. “That wouldn’t make it a favor,” she said. “Just do something nice to somebody. Pass it along.”
1.Why did the writer say that he would have a long night?
A. He wondered how long he had to wait for the next bus.
B. No driver would give him a ride.
C. He didn’t know the routes.
D. He perhaps would have to take a taxi.
2.Why did the writer change his mind after waiting for 30 minutes at the end of the route?
A. No bus would come at the time.
B.A taxi ride would be more comfortable.
C. He became impatient and a bit worried.
D. He knew the driver would never return
3.The bus driver drove the writer home later because________.
A. she happened to go in the same direction
B. she wanted to do something good for other people
C. her brother told her to do so
D. she wanted to earn more money
4.The bus driver hoped that the writer______.
A. would do as she did
B. would keep her in memory
C. would give the money to others
D. would do her a favor
高三英语阅读理解中等难度题查看答案及解析