You may already know that more than a million years ago, glaciers, or vast blankets of moving ice, covered one third of the earth. You also may know tens of thousands of years ago, the glaciers started to melt, retreating to their current position in the Antarctic and Greenland. You may even know that glaciers also exist in all the world's great mountain regions. But do you know that glaciers cover about 6 billion square miles of the earth and store about 75 percent of the earth's fresh water.
A glacier forms in a cold climate when a winters snow does not completely melt during the following summer. Snow continues to accumulate and partially melt year after year. As the accumulated snow becomes heavier, the lower layers crushes under the weight and changes into ice. Over time, the mass of ice thickens and moves. The ice is either pulled slowly downhill by gravity - as in the valley glaciers found in the Alps, on the Alaskan coast, and in the Western United States - or forced outward in all directions by its own weight - as in the ice sheets and icecaps covering most of Greenland and Antarctic a. During the glaciations (冰川作用),a glacier moves ( usually about 3 feet per day). It picks up pieces of rock that cut and polish the land and carve out steep-side valleys . During deglaciation (冰消作用),a glacier withdraws and often leaves large deposits of sand and stones. The process of glaciation and deglaciation formed the Great Lakes in North American during the Ice Ages.
Some scientists believe that ice ages similar to those of the past will occur, but they disagree on when this will happen. Other scientists think that global wanning will occur instead, melting the glaciers and flooding areas as sea levels rise. No one knows for certain which event will occur, but neither predicts well for mankind.
1.What happens to a glacier during glaciation?
A.It moves. B.It leaves stones.
C.It leaves sand. D.It forms the Great Lakes.
2.What will happen if global warming occurs instead of another ice age?
A.Vast blankets of ice will cover the earth.
B.Glaciers in the Antarctic will increase in size.
C.Plant and animal life in many related areas will be destroyed.
D.A winter's snow may not completely melt during the following summer.
3.What is the attitude of the writer towards the argument between scientists in the last paragraph?
A.Optimistic. B.Objective. C.Pessimistic. D.Indifferent.
4.What is this passage mainly about? ,
A.The Ice Age. B.Valley glaciers.
C.Ice sheets and ice caps. D.Glaciers.
高三英语阅读理解困难题
You may already know that more than a million years ago, glaciers, or vast blankets of moving ice, covered one third of the earth. You also may know tens of thousands of years ago, the glaciers started to melt, retreating to their current position in the Antarctic and Greenland. You may even know that glaciers also exist in all the world's great mountain regions. But do you know that glaciers cover about 6 billion square miles of the earth and store about 75 percent of the earth's fresh water.
A glacier forms in a cold climate when a winters snow does not completely melt during the following summer. Snow continues to accumulate and partially melt year after year. As the accumulated snow becomes heavier, the lower layers crushes under the weight and changes into ice. Over time, the mass of ice thickens and moves. The ice is either pulled slowly downhill by gravity - as in the valley glaciers found in the Alps, on the Alaskan coast, and in the Western United States - or forced outward in all directions by its own weight - as in the ice sheets and icecaps covering most of Greenland and Antarctic a. During the glaciations (冰川作用),a glacier moves ( usually about 3 feet per day). It picks up pieces of rock that cut and polish the land and carve out steep-side valleys . During deglaciation (冰消作用),a glacier withdraws and often leaves large deposits of sand and stones. The process of glaciation and deglaciation formed the Great Lakes in North American during the Ice Ages.
Some scientists believe that ice ages similar to those of the past will occur, but they disagree on when this will happen. Other scientists think that global wanning will occur instead, melting the glaciers and flooding areas as sea levels rise. No one knows for certain which event will occur, but neither predicts well for mankind.
1.What happens to a glacier during glaciation?
A.It moves. B.It leaves stones.
C.It leaves sand. D.It forms the Great Lakes.
2.What will happen if global warming occurs instead of another ice age?
A.Vast blankets of ice will cover the earth.
B.Glaciers in the Antarctic will increase in size.
C.Plant and animal life in many related areas will be destroyed.
D.A winter's snow may not completely melt during the following summer.
3.What is the attitude of the writer towards the argument between scientists in the last paragraph?
A.Optimistic. B.Objective. C.Pessimistic. D.Indifferent.
4.What is this passage mainly about? ,
A.The Ice Age. B.Valley glaciers.
C.Ice sheets and ice caps. D.Glaciers.
高三英语阅读理解困难题查看答案及解析
Around 200 million years ago, the earth was 18 degrees warmer than it is now. That might be a bit hot for humans, but it was just right for the giant dinosaurs that wandered about the earth during the Mesozoic (中生代的) era. A new study found that planteating dinosaurs may have contributed to the warming of the earthby releasing significant amounts of methane (甲烷)．
The study, published in science journal Current Biology, focused on sauropods, longnecked herbivores (食草动物) that munched (用力咀嚼) on the top of trees. They were the largest of the dinosaurs; food broke down in their stomachs for long periods of time. The researchers estimate that a sauropoda released 2,675 liters of methane per day—adding up to a large amount of the greenhouse gas being pumped from dinosaur's gut into the atmosphere.
Plant eaters naturally release methane as part of their digestive process. The larger the animal, the more methane it produces. Methane, a greenhouse gas, traps heat and remains in the atmosphere for approximately 915 years, which warms the atmosphere.
Today, some animals, such as cattle, goats and sheep, produce large amounts of methane as a byproduct to their food digestion. Methane is also released from human—influenced sources such as landfill, agricultural activities, coal mining and other industrial practices—which all contribute to today's climate change, according to the Environmental Protection Agency.
The researchers estimate that earth's sauropods would have produced about 520 million tons of methane per year—similar to the total amount of methane produced today by natural and manmade sources. However, the researchers warn that their numbers are estimates based on multiple assumptions about the digestive systems and populations of dinosaurs.
The author of the study David Wilkinson says the emission of methane from dinosaurs would have been just one of the causes of warm climate during the Mesozoic era. Other causes include gases produced from volcanoes, swamps, shallow seas and so on. Still, Wilkinson says，“ The amount of methane from dinosaurs is large enough to have a measurable effect.”
1.Scientists think dinosaurs may have led to the global warming because ________.
A．they ate everything they found
B．they usually had a good appetite
C．they released a lot of methane
D. there were too many dinosaurs on earth
2.What do we know about dinosaurs from Paragraph 2?
A．Sauropods fed on plants.
B．Sauropods were of medium size.
C．Dinosaurs used to live on trees.
D．Dinosaurs digested food quickly.
3.Which of the following activities doesn't produce methane?
A．Coal is dug out by machine.
B．Trees and flowers are planted.
C．Goats digest grass under the tree.
D．Food is being processed in the factory.
4.How does the author make his writing reliable?
A．By listing some facts.
B．By making predictions.
C．By citing figures.
D．By using mind pictures.
5.David Wilkinson seems to believe that ________.
A．methane had little effects on the earth
B．many other factors contributed to warm climate
C．other causes for warm climate were worth considering
D．dinosaurs were mainly to blame for global warming
高三英语阅读理解中等难度题查看答案及解析
[1] More than 40 million Americans move each year, but not always by choice. Whether you relocate because of a new job or school for you or your spouse, for a lower cost of living, or for better opportunities, adjusting to life in a new place can be scary and difficult--especially when you’re not in love with your new city. Here are some tips on how to make the most of your relocation and find happiness in your new home.
[2] Treat it as an adventure
Living in a new place is a great opportunity to experience new things and to grow as a person. So stay positive, and get out there and explore! Sample the local cuisine. Visit landmarks and museums. Try local activities that weren’t available or popular in your former city, such as skiing if you came from a beach town or surfing if you lived in the mountains. You may discover a talent or interest you never knew you had.
[3] Get involved
Attend local events that interest you. Visit the weekly farmer’s market or the neighborhood yard sale. Volunteer. Take a class. Join a sports league. All of these things will help you meet people and feel connected to your new town.
[4] Locate the necessities
Driving, riding, or walking around your new neighborhood is the best way to learn where everything is. So head out and take note of the nearest supermarket, pharmacy, post office, library, etc.
[5] Keep pieces of your old home
To keep from getting too homesick, subscribe to your former city magazine or newspaper. Display photos of or souvenirs from your favorite places in your old town. Hang decorations from your former home. Just don’t go overboard—hanging on to too much from your past will keep you from moving forward and really enjoying your new home.
[6] _________
It takes time to get to know a new place, so don’t expect to feel comfortable right away. Give yourself time to adjust. To help the process and to meet new people, find a support group near you at Just Moved.org.
1.What does the passage mainly talk about? (within 15 words.)
________
2.What does the underlined word “it” in the last paragraph refer to? (within 7 words)
________
3.According to the passage, what can you do to learn where everything is?( within 5 words)
4.Fill the blank with proper words. (within 5 words)
________
5.If you are a new comer, where to find a support group near you based on this passage? (within 3 words)
________
高三英语阅读理解中等难度题查看答案及解析
It's so nice to hear from her again. , we last met more than thirty years ago.
A. What's more B. That's to say
C. In other words D. Believe it or not
高三英语单项填空中等难度题查看答案及解析
What is it that makes people laugh? More than two thousand years ago the ancient Greek philosopher Aristotle defined (定义) jokes as the pleasure that results from a feeling of triumph by showing we’re better than someone else in a certain way. According to Aristotle and many other philosophers, all jokes depend mainly on showing inferiority in another person or group of persons--that is, putting it clearly, on showing that they are worse off than ourselves. Jokes raise our good opinion of ourselves at someone else’s expense.
Showing how much better than other people we are is only one reason we like jokes. Someone may also use a joke to express their anger or their cruelty or any other kind of action that is not acceptable to us. We feel free to laugh when we hear about someone sliding on a banana skin. The joke lets us express those attitudes which are usually unacceptable to society. This is probably the reason why some of the jokes, especially those involving cruelty, are so popular with certain people.
Besides, all jokes depend on our enjoyment of laughing at something that is strange and out of place because it’s different from things which are happening around it. The same situation can be either sad or pleasant, depending entirely on how strange and out of place it is. If a girl in a bathing suit falls into a swimming pool, we don’t laugh because nothing unusual has happened. But if a man in a smart suit falls in, the situation is at once unusual in a pleasant way and we laugh. A good joketeller will always try to build up a situation in which one thing is expected until something unexpected suddenly happens, and so we laugh.
1.According to Aristotle, all jokes depend mainly on________.
A. showing inferiority in another person or group
B. resulting in a sense of success
C. having a good opinion of other people
D. making people laugh unexpectedly
2.What’s the main idea of Paragraph 2?
A. Showing we are better than other people is the only one reason we like jokes.
B. When people are angry, they would like to hear jokes.
C. People who like jokes are usually cruel.
D. To express those attitudes usually unacceptable to society is one of the reasons we like jokes.
3.What will a good joketeller always try to do?
A. Make a sad situation into a pleasant one.
B. Make different things happen at the same time.
C. Make an unexpected thing happen in an expected situation.
D. Make people laugh at something unusual and out of place.
高三英语阅读理解中等难度题查看答案及解析
It is so nice to hear from her._______, we last met more than thirty years ago.
A．What's more B．That is to say
C．In other words D．Believe it or not
高三英语单项填空简单题查看答案及解析
With 17 million residents and 23 million bicycles，the Netherlands already has more bikes than people.1. .
The Dutch government recently announced that it will invest $ 390 million in cycling infrastructure to get 200，000 more people commuting(通勤)by bike in three years’time.Fifteen routes will be developed into“cyclist freeways”，25，000 bike parking spaces will be created and more than 60 bike storage facilities will be upgraded.
“ 2. ，”says Stientje van Veldhoven，state secretary for that department，who is spearheading the project.
It’s not that people aren’t already cycling in the Netherlands.In 2016，over a quarter of all trips made by Dutch residents were by bike.But only 25％of those trips were work—related，compared to 37％which were made for leisure.3. .
According to van Veldhoven，more than 50％of people in the Netherlands live less than 15 kilometers from work，and more than half of commuters’car trips are under 7.5 kilometers long—a distance that“can easily be covered by bike，”she says.
4..The Netherlands currently rewards commuting cyclists with tax credits of $0.22 per kilometer.Companies and employees would agree on the distance of a person’s cycling route.
However，this is currently a little—known benefit not supported by many employers，according to the infrastructure ministry.That’s something the government is hoping to change by better promoting the scheme and getting more companies on board.5. .The government is urging employers to provide better facilities for commuting cyclists，such as showers at the office，according to the ministry.
A.The rest were for school，shopping，or other activities
B.To get people to ditch their cars，money is being laid on the’table
C.Now，it wants to get even more cyclists on the roads—and will pay people to do it
D.Today the Netherlands is known for its cycling culture，but that hasn’t always been the case
E.My ambition is to ensure that people can easily get to work or school，or visit family and friends
F.The Netherlands is now one of the few countries that takes cycling seriously as a mode of transportation
G.There are already 11 major employers in the Netherlands committing to measures such as financing employees’ bikes
高三英语七选五困难题查看答案及解析
More than 10 years ago, it was difficult to buy a tasty pineapple (菠萝). The fruits that made it to the UK were green on the outside and, more often than not, hard with an unpleasant taste within. Then in 1996,the Del Monte Gold pineapple produced in Hawaii first hit our shelves.
The new type of pineapple looked more yellowy-gold than green It was slightly softer on the outside and had a lot of juice inside. But the most important thing about this new type of pineapple was that it was twice as sweet as the hit-and-miss pineapples we had known. In no time, the Del Monte Gold took the market by storm, rapidly becoming the world’s best-selling pineapple variety, and delivering natural levels of sweetness in the mouth, up until then only found in tinned pineapple.
In nutrition(营养) it was all good news too. This nice-tasting pineapple contained four times more vitamin C (维生素C) than the old green variety. Nutritionists said that it was not only full of vitamins, but also good against some diseases. People were understandably eager to be able to buy this wonderful fruit. The new type of pineapple was selling fast and the Del Monte Gold pineapple rapidly became a fixture in the shopping basket of the healthy eater.
Seeing the growing market for its winning pineapple, Del Monte tried to keep the market to itself But other fruit companies developed similar pineapples. Del Monte turned to law for help, but failed. Those companies argued successfully that Del Monte’s attempts to keep the golden pineapple for itself were just a way to knock them out of the market.
1.We learn from the text that the new type of pineapple is ________.
A. green outside and sweet inside
B. good-looking outside and soft inside
C. yellowy-gold outside and hard inside
D. a little soft outside and sweet inside
2.Why was the new type of pineapple selling well?
A. It was rich in nutrition and tasted nice.
B. It was less sweet and good for health.
C. It was develop by Del Monte.
D. It was used is medicine
3.The underlined word “fixture” in Paragraph probably refers to something ________.
A. that people enjoy eating B. that is a ways present
C. that is difficult to get D. that people use as a gift
4.We learn from the last paragraph that Del Monte ________.
A. allowed other companies to develop pineapples
B. succeeded in keeping the pineapple for itself
C. tried hard to control the pineapple market
D. planned to help the other companies
高三英语阅读理解中等难度题查看答案及解析
More than 10 years ago, it was difficult to buy a tasty pineapple. The fruits that made it to the UK were green on the outside and, more often than not, hard with an unpleasant taste within. Then in 1996, the Del Monte Gold pineapple produced in Hawaii first hit our shelves.
The new type of pineapple looked more yellowy-gold than green. It was slightly softer on the outside and had a lot of juice inside. But the most important thing about this new type of pineapple was that it was twice as sweet as the hit-and-miss pineapples we had known. In no time, the Del Monte Gold took the market by storm, rapidly becoming the world’s best-selling pineapple variety, and delivering natural levels of sweetness in the mouth, up until then only found in tinned pineapple.
In nutrition(营养) it was all good news too. This nice-tasting pineapple contained four times more vitamin C(维生素C) than the old green variety. Nutritionists said that it was not only full of vitamins, but also good against some diseases. People were understandably eager to be able to buy this wonderful fruit. The new type of pineapple was selling fast, and the Del Monte Gold pineapple rapidly became a fixture in the shopping basket of the healthy eater.
Seeing the growing market for its winning pineapple, Del Monte tried to keep the market to itself. But other fruit companies developed similar pineapples. Del Monte turned to law for help, but failed. Those companies argued successfully that Del Monte’s attempts to keep the golden pineapple for itself were just a way to knock them out of the market.
1.We learn from the text that the new type of pineapple is ______.
A. green outside and sweet inside
B. good-looking outside and soft inside
C. yellowy-gold outside and hard inside
D. a little soft outside and sweet inside
2.Why was the new type of pineapple selling well?
A. It was rich in nutrition and tasted nice.
B. It was less sweet and good for health.
C. It was developed by Del Monte.
D. It was used as medicine.
3.The underlined word “fixture” in Paragraph 3 probably refers to something ______.
A. that people enjoy eating B. that is always present
CV. that is difficult to get D. that people use as a gift
4.We learn from the last paragraph that Del Monte ______.
A. allowed other companies to develop pineapples
B. succeeded in keeping the pineapple for itself
C. tried hard to control the pineapple market
D. planned to help the other companies
高三英语阅读理解中等难度题查看答案及解析
More than 10 years ago, it was difficult to buy a tasty pineapple. The fruits that made it to the UK were green on the outside and, more often than not, hard with an unpleasant taste within. Then in 1966, the Del Monte Gold pineapple produced in Hawaii first hit our shelves.
The new type of pineapple looked more yellowy-gold than green. It was slightly softer on the outside and had a lot of juice inside. But the most important thing about this new type of pineapple was that it was twice as sweet as the hit-and-miss pineapples we had known. In no time, the Del Monte Gold took the market by storm, rapidly becoming the world’s best-selling pineapple variety, and delivering natural levels of sweetness in the mouth, up until then only found in tinned pineapple.
In nutrition it was all good news too. This nice tasting pineapple contained four times more vitamin C than the old green variety. Nutritionists said that it was not only full of vitamins, but also good against some diseases. People were understandably eager to be able to buy this wonderful fruit. The new type of pineapple was selling fast, and the Del Monte Gold pineapple rapidly became a fixture in the shopping basket of the healthy eater.
Seeing the growing market for its winning pineapple, Del Monte tried to keep market to itself. But other fruit companies developed similar pineapples. Del Monte turned to law for help, but failed. Those companies argued successfully that Del Monte’s attempts to keep the golden pineapple for itself were just a way to knock them out of the market.
1.We learn from the text that the new type of pineapple is __________.
A. green outside and sweet inside B. good-looking outside and soft inside
C. yellowy-gold outside and hard inside D. a little soft outside and sweet inside
2.Why was the new type of pineapple selling well?
A. It was rich in nutrition and tasted nice. B. It was less sweet and good for health.
C. It was developed by Del Monte. D. It was used as medicine.
3.The underlined word “fixture” in Paragraph 3 probably refers to something _________.
A. that people enjoy eating B. that is always present
C. that is difficult to get D. that people use as a gift
4. We learn from the last paragraph that Del Monte _________.
A. slowed other companies to develop pineapples
B. succeeded in keeping the pineapple for itself
C. tried hard to control the pineapple market
D. planned to help the other companies
高三英语阅读理解中等难度题查看答案及解析