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NASA scientists have found evidence of flowing water on Mars. This opens up the possibility of _______ and wonders we cannot begin to imagine. The _______ undoubtedly is an astonishing achievement.
We may be excited by the thought of living things on another _______, but we seem to have lost _______ in our own. In the past four decades, the world has_______ 50% of its vertebrate(脊椎动物)wildlife. But across the latter half of this period, there has been a steep _______ in media coverage of the subject.
Think of what would change if we valued _______ on the earth as much as we value the possibility of water on Mars. _______3% of the water on this planet is fresh and of that, two-thirds is frozen. Yet we lay waste to the _______ part. Sixty per-cent of the water used in farming is ________ by careless irrigation. Rivers, lakes and aquifers (地下蓄水层)are sucked dry, while what remains is often so bad that it ________ the lives of those who drink it. As for salty water, which so interests us ________apparently detected on Mars, on Earth we express our ________ by destroying it. A new report suggests fish numbers have halved since 1970. Coral reefs are under such ________ that most could be gone by 2050.
A couple of weeks ago, I launched a column(专栏) focusing on extreme consumption, and ________ suggestions. They have flooded in. here are just a few of the ________. Wigs(假发)for babies, to allow “baby girls” with little or no __________ at all the opportunity to have a beautifully realistic hair style”. The iPotty, which ________ little children to keep playing while toilet training. A smartphone for dogs to take pictures of themselves…
As clever new ways of wasting stuff are continually ________, we become more used to the ________ consumption of the world’s precious resources. Isn’t it time for us to have seconds thoughts about our lifestyle?
1.A.peace B.trust C.life D.danger
2.A.appearance B.discovery C.performance D.operation
3.A.planet B.stage C.level D.island
4.A.courage B.hope C.pride D.interest
5.A.spread B.lost C.ignored D.found
6.A.climb B.turn C.increase D.decline
7.A.water B.plants C.animal D.air
8.A.Often B.Only C.Even D.Last
9.A.private B.public C.unclear D.accessible
10.A.checked B.chosen C.wasted D.polluted
11.A.saves B.threatens C.enriches D.changes
12.A.when B.If C.because D.though
13.A.complaint B.doubt C.appreciation D.surprise
14.A.pressure B.control C.guidance D.attention
15.A.made B.considered C.invited D.followed
16.A.benefits B.reasons C.features D.products
17.A.time B.hair C.help D.knowledge
18.A.permits B.promises C.persuades D.advises
19.A.criticized B.reported C.replaced D.created
20.A.expensive B.limited C.pointless D.sustainable
高一英语完形填空困难题查看答案及解析
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首字母填空
1.With the help of the Cassini spacecraft, NASA scientists have found e _____ to prove that chemical reactions (反应) are taking place deep below the surface of Enceladus, Saturn’s (土星) sixth largest moon.
2.A report said wealthier families tended to create more chances to help their children a _____ skills valued
by the labor market.
3.Whether in p _____ metropolises (大都市), or in remote (偏远的) countryside, every kid is supposed to be provided equal educational opportunities.
4.In a digital world, d _____ the convenience modern technology brings, paper books are still valued by many people.
5.A new study suggested that having people think of you as constantly busy and needed at work is a far better way to show off social s _____.
6.We really shouldn’t have bought this house, because it will cost far more than we can afford to r _____ it. We didn’t realize what a bad state it’s in until we moved in.
7.The car’s i _____ is very impressive --- wonderful leather seats and a wooden dashboard (仪表盘).
8.The Grammy Awards is truly an award for artistic achievement, not just sales or chart position. It is recognizedas one of the most p _____ awards in field of music.
9.In the extremely heavy storm last week, many car owners were o _____ to abandon (放弃) their cars and evacuate (撤离) on foot.
10.We got so wet in the heavy rain that our clothes c _____ to us. It was really uncomfortable.
11.Even though this area was seriously damaged during an earthquake, the r _____ of a 12th century monastery (修道院) can still be seen on the site.
12.The shop said they could replace the newly bought air-conditioner for free as it was still under g _____.
13.After weeks at sea, it was wonderful to feel firm ground b _____ our feet once more.
14.Whatever happens, don’t sign any c _____ before you have examined its terms and conditions in detail.
15.In fact, Santa has an official in Lapland where he greets visitors all year round. But as it happens, people known more about Santa than the country he comes from --- Finland, a nation of o _____ natural beauty.
高一英语单词拼写中等难度题查看答案及解析
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The heavy rainfall, the splashing water on the roof top and the sound of flowing water created anxiety in the mind of my little son. He asked, “Why should we be_________ to the creatures? _________do they benefit us?” I always_________ my kids to be friendly to all the creatures around us. We feel happy when it rains, and so do the little creatures. They get new life, which helps in balancing the_________. I asked him to hold my hand and opened my colorful_________. Walking in the garden we enjoyed the wet grass feeling our feet. We_________ some creepers (攀缘植物). I caught some insects (昆虫) and showed them to my son_________. He was_________ to see me doing this for the first time. Then I told him something about_________ , creatures and the way they help us.
Nature is full of wonderful gifts: green grass, colorful wild flowers, mushrooms, bright shiny leaves, little ants, and frogs — the__________ goes on. They all have a__________ effect on our life.
The dark clouds carry tons of water__________ to pour out anytime. Trying to balance the__________of the earth, rain brings the comforting effect to the earth just__________a mother tends her child. Something very attractive in this season is the red bug (昆虫) which__________ in the green grass. This creature is a very soft, delicate and__________creature. This creature benefits humans. It is used as a medicine to__________ some of the diseases. The frogs are also very beneficial to nature. They eat the__________ insects around us.
Then my son ran in, took out his diary and started__________ the story of his own. I gave him a hot cup of milk and left him alone to try. It was my good attempt to__________him to enjoy nature and its gifts, caring for all the creatures.
1.A.excellent B.friendly C.brave D.true
2.A.When B.Why C.How D.Where
3.A.encourage B.suggest C.permit D.show
4.A.air B.river C.garden D.environment
5.A.way B.picture C.umbrella D.speech
6.A.held on B.took up C.turned off D.came across
7.A.carefully B.suddenly C.quietly D.coldly
8.A.tired B.worried C.excited D.angry
9.A.nature B.plan C.advice D.courage
10.A.chance B.list C.time D.deed
11.A.poor B.magical C.bad D.strange
12.A.quiet B.proper C.honest D.ready
13.A.story B.anger C.warmth D.color
14.A.as B.because C.before D.until
15.A.becomes B.appears C.eats D.sits
16.A.ugly B.cute C.frightening D.enthusiastic
17.A.break B.change C.cure D.prove
18.A.delicious B.harmless C.useful D.poisonous
19.A.repeating B.reducing C.running D.creating
20.A.inspire B.take C.turn D.climb
高一英语完形填空中等难度题查看答案及解析
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Scientists at the California Institute of Technology (Caltech) have reported evidence that Mars was warmer and wetter long ago than it is today. The Caltech scientists say they have directly established the temperature of Mars four billion years ago. At least, they established the surface temperature on part of the planet at that time. The researchers say it is the first such evidence to be discovered and presented.
The Caltech scientists say carbonate（碳酸盐）minerals formed on Mars at about eighteen degrees Celsius. They reached the finding after studying a meteorite（陨石）that had its beginnings near the Martian surface.
Today, the average temperature on Mars is sixty-three degrees below zero Celsius.
The finding was reported on the website of the National Academy of Sciences. Caltech Assistant Professor Woody Fischer helped to prepare the report. He says eighteen degrees Celsius is not especially cold or hot. He says this makes the finding extremely interesting. Knowing the temperature can give scientists an idea of the climate on Mars long ago. It can also help them decide whether the planet had liquid water. Spacecraft orbiting Mars have shown what appear to be rivers, lakebeds and mineral deposits. These pictures suggest that, at one time, water did flow there. Mars Rover vehicles and other spacecraft have proved the information.
The meteorite the scientists examined is one of the oldest known rocks in the world. It is called the Allan Hills meteorite. Its name came from the place in Antarctica where it was found in 1984. The meteorite is believed to have blown loose from the Mars' surface when another space rock struck its "home."
1.The underlined word “establish” in Paragraph 1 probably means “___________”.
A. to set up
B. to make people accept a belief
C. to discover or prove
D. to start having a relationship with others
2.How did the scientists reach the finding?
A. By studying Allan Hills meteorite.
B. By using spacecraft orbiting Mars.
C. By studying minerals gathered on Mars.
D. By studying a meteorite on the Martian surface.
3.According to the fourth paragraph, what have spacecraft orbiting Mars done?
A. Measuring the temperature of Mars.
B. Taking photos of the surface of Mars.
C. Finding that there is water flowing on Mars.
D. Proving where human beings will probably land on Mars.
4.Where can we most probably read this passage?
A. In a biography of scientists. B. In a geography magazine.
C. In an environment report. D. In a science report.
高一英语阅读理解中等难度题查看答案及解析
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Some solid evidence proves that water really exists on Mars, but unfortunately, there is still no of life.
A．mark B．sign C．symbol D．signal
高一英语单项填空中等难度题查看答案及解析
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Scientists have found what look like caves on Mars, and say they could be protecting life from the planet’s terrible environment.
The first caves appear as seven mysterious black dots （点） on the pictures which were sent back by NASA’s Mars Odyssey orbiter. Each as large as a football field, they may be openings into natural caves below the Martian surface.
“If there is life on Mars, there is a good chance that you’d find it in caves,” said Jut Wynne, one of the researchers who noticed the features (特征) while working on a US Geological Survey Mars Cave Detection Program.
Jonathan Clarke, a geologist with the Mars Society of Australia, yesterday described the discovery as exciting.
One photo taken at night by an infrared imager(红外线成像器) showed one hole to be unusually warm, suggesting hot air may be flowing out.
“I said: ‘Wow, that’s a cave’” Dr. Clarke said excitedly. “People have been looking for these for a long time; now we have found them.”
He agreed such caves could be perfect places to search for life escaping from the bitterly cold, radiation-soaked(充满辐射的), dry surface.
“Tiny drops of water could collect inside,” he said. “If there are gases coming out, they could provide energy for a whole range of bacteria (细菌). A cave is also a protection from radiation; the surface of Mars is exposed to high levels of space radiation.”
The caves probably formed when tube-shaped lava flows(管状岩浆流) spread across the planet long ago. The outside of the tubes cooled, forming solid walls, while something hotter inside allowed the remaining to flow out, forming caves.
1. What does the passage mainly talk about?
A. How the caves were formed on Mars.
B. How NASA sent the pictures back to earth
C. Caves on Mars may be full of hot air or a sign（迹象）of life.
D. Scientists have completely recognized the surface of Mars.
2. We can learn from the passage that __________.
A. water has already been found on Mars
B. the scientists found all the caves at night
C. it is certain that there is life in these caves
D. the surface of Mars is bitterly cold, radiation-soaked and dry
3. According to the passage, Dr. Clarke was so excited because ________.
A. such caves could provide energy for life
B. they had finally found the caves on Mars
C. such caves would be perfect places to search for life
D. There would be life on Mars.
4. Necessary conditions for life on Mars mentioned in the passage may include_________.
A. lava and energy B. water and radiation from space
C. gases and lava D. water and protection from radiation
5. what does the underlined word “ the planet” in paragraph 1 refer to?
A. the Mars B. the earth C. the caves D. radiation
高一英语阅读理解中等难度题查看答案及解析
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On the 70th anniversary of the founding of the People's Republic of China, Chinese scientist Tu Youyou, winner of the 2015 Nobel Prize for the discovery of artemisinin, has been awarded China's Medal of the Republic. The medal is the country's highest honor for outstanding figures that have made great contributions to the construction and the development of the P.R.C.
Tu Youyou, born in 1930, has become the first Chinese woman to win a Nobel Prize, for her work in helping to create an anti-malaria medicine. The 84-year-old’s route to the honor has been anything but traditional. In China, she is being called the “three nos” winner: no medical degree, no doctorate, and she’s never worked overseas. In 1967, malaria, a then deadly disease, spread by mosquitoes was decimating Chinese soldiers fighting Americans in the jungles of northern Vietnam. A secret research unit “Mission 523” was formed to find a cure for the illness. Two years later, Tu Youyou was instructed to become the new head of “Mission 523”.
“Mission 523” read ancient books carefully for a long time to find historical methods of fighting malaria. When she started her search for an anti-malaria drug, more than 240,000 compounds(化合物)around the world had already been tested, without any success. Finally, the team found a brief reference to one substance, sweet wormwood(青蒿), which had been used to treat malaria in China around 400 A.D. The team took out one active compound in wormwood, and then tested it. But nothing was effective until Tu Youyou returned to the original ancient text. After another careful reading, she changed the drug recipe one final time, heating the compound without allowing it to reach boiling point.
After the drug showed promising results in mice and monkeys, Tu Youyou volunteered to be the first human recipient of the new drug. “In any case, Tu Youyou is consistently praised for her drive and passion”. One former colleague, Lianda Li, says Ms. Tu is “unsociable and quite straightforward”, adding that “if she disagrees with something, she will say it.”
Another colleague, Fuming Liao, who has worked with Tu Youyou for more than 40 years, describes her as a “tough and stubborn woman”. Stubborn enough to spend decades piecing together ancient texts, she applies them to modern scientific practices. The result has saved millions of lives.
1.According to Paragraph 2, we can learn that .
A.Tu is the first woman to win a Nobel Prize
B.Tu has a medical degree
C.Tu’s road to success is not traditional
D.Tu discovered a cure for malaria
2.The underlined word “decimating” in Paragraph 2 can be replaced by .
A.encouraging B.killing
C.annoying D.benefiting
3.Which of the following statements is true?
A.Tu first invented the idea of using sweet wormwood as a cure.
B.Tu was inspired by medical textbooks published in northern Vietnam.
C.The compound needs to be heated to the boiling point to be effective.
D.Over 240,000 compounds were proved ineffective before Tu’s search.
4.Tu Youyou can be best described as a person.
A.devoted and stubborn B.straightforward and mean
C.considerate and tough D.sociable and generous
高一英语阅读理解中等难度题查看答案及解析
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Scientists around the world have been studying the warming of waters in the Pacific Ocean known as El Nino(厄尔尼诺). The appearance of El Nino is known to affect the weather around the world. Scientists still do not completely understand it. Yet they now find they can use it to tell about the future in different areas of the world.
One example is the work of two scientists at Columbia University in New York, Mark Cane and Gordon Eshel. A scientist of Zimbabwe, Roger Buckland worked with them. They have found that when El Nino appears, Zimbabwe has little or no rain. This means corn crops in Zimbabwe are poor. The last El Nino was in 1991 to 1993. That was when southeastern Africa suffered a serious lack of rain.
The scientists wrote about their recent work in the publication Nature. Their computer program can tell when an El Nino will develop up to a year before it does. They suggest that this could provide an effective early warning system for southern Africa, and could prevent many people from starving.
1.El Nino is known as ___.
A. the changing of the weather in southern Africa
B. the warming of waters in the Pacific Ocean
C. the weather which brings drought(旱灾) to Africa
D. the weather phenomenon (现象)that brings heavy rains to Africa
2.Scientists study El Nino in order that ___.
A. they can provide a kind of early warning to the place that will suffer from drought
B. they can tell why Zimbabwe has little or no rain
C. they can do some research work in this field.
D. they can put all this information into their computers.
3.Which of the following is TRUE according to the passage?
A. Nature is the name of the article written recently by the scientists.
B. Three scientists from the USA work on this subject.
C. Southern Africa suffered a serious drought and many people died from hunger.
D. El Nino has something to do with Zimbabwe’s poor crops.
4.What’s the best title for this passage?
A. Appearance of El Nino is Predictable（可预测的） B. Drought in Zimbabwe
C. Early Warning System D. Weather in Africa
高一英语阅读理解困难题查看答案及解析
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Scientists may have found a way to reduce shortage of type O blood. Type O is the kind of blood that hospitals most often need. What the researchers are testing is an easier way to make type O blood out of other kinds of blood.
There are four main kinds of blood. Most people born with one of these four: Type A,Type B, Type AB or Type O. Type O can be safely given to anyone. So it is commonly used when a person is injured or sick and has to have blood.
The differences among blood types are linked to whether or not red blood cells contain certain kinds of sugar molecules(分子). These molecules are found on the surface of the cells.They are known as antigens (抗原). These antigens are found with type A, B and AB blood but not with type O.
More than twenty-five years ago, scientists found that the antigens could be removed to create what they called universal-type cells. They could be removed with chemicals called enzymes(酶). But large amounts of enzymes were required to make the change.
Doctor Henrik Clausen of the University of Copenhagen in Denmark led the study. The next step, he says, is to complete safety tests. The team is working with the American company ZymeQuest to test the new method. If it meets safety requirements(*k)and is not too costly,it could become a widely used life-saving tool to increase the supply of universal blood.
1.How do scientists deal with the problem of lacking type O blood?
A.Hope more people to donate type O blood.
B.Make the most of the present type O blood.
C.Develop new ways of using type O blood.
D.Make type O blood out of other kinds of blood.
2.What make people have different kinds of blood?
A.Sugar molecules in red blood cells.
B.People's different living conditions.
C.Peoples various immune systems.
D.The variety of peoples cells and genes.
3.What can we infer from the text?
A.Type O blood can be safely given to anyone
B.Antigens could easily be removed to create universal blood.
C.A Danish company wanted to involve itself in studying blood.
D.The new method is not safe enough to be put into use in hospitals now.
4.What is the best title for the text?
A.Four different kinds of blood
B.A new way to make type O blood
C.The latest research on blood type
D.Find the proper type of blood
高一英语阅读理解中等难度题查看答案及解析
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Water is the most common substance(物质) found on the earth, but less than 1% of the earth’s water is suitable for drinking. More than 1,000,000,000 people around the world survive on just over 1 galon of water a day. Probebly more than 3,000,000,000 people may suffer from not having enough water by the year 2025. You are considered lucky if you live in a country where you can drink water out of your kitchen tap or bathroom tap. People in some countries have to pay for drinking water at home. So clean water is one of our most valuabe natural resources(资源).
In fact, peole waste so much clean water today. In factories lots of water is wasted. At home many people are not taking showers but still baths, and many are brushing their teeth with the tap turned on. Children are no longer taught how to save water….
You can save clean water in many ways. For example, if you keep gold fish, the tank water excellent for graden plants. And when you wash a milk bottle, pour the water on your house plants. Putting a brick or a water into your toilet tank many help use less water, saving many gallons over a long time.
Using rainwater is another simple way to save clean water. You can use rainwater to wash your hands after gardening, flush the toilet, and wash your car, your pet, your driveway when they are dirty.
For the same reason, people in Malaysia are encourageed to use rainwater. If one has a house with a small garden, he would buy a huge plastic tank to keep rainwater for their daily life.
1.We can learn from the passage ______.
A. when man can’t live without water
B. where there is no water resource
C. why there is less water on the earth
D. how important it is to save water
2.According to the passage, one of the ways to save water is _______.
A. to stop keeping gold fish
B. to pay much for drinking water
C. to use it in a clever way
D. to educate those who waste water
3.The underlined word “flush” in Paragraph 4 means “_______”.
A. clean something with water
B. pour water over something
C. make somehting wet with water
D. get water out of someghing
4.People are ecouraged to use rainwater _______.
A. so that is can make our life easier
B. so that clean water can be kept for other uses
C. because is it free and easy to get
D. because there is no claen water left for them
高一英语阅读理解中等难度题查看答案及解析