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题目
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A science book gives facts. Some science books tell us about animals. Some tell us about plants. Some tell us about outer space. This page tells us about animals.
Do you know that not only the fish but also some animals live in the sea? For example, the whale is not a fish. It can’t breathe in the water. It swims in the water. But it comes up for air.
The blue whale is the world’s biggest animal. There are other sea animals, too. One is called the dolphin. Dolphins need air to live. They breathe air, as whales do. Dolphins are very clever. They sometimes seem to speak to each other.
Many other animals live near the sea. Seals(海豹)and otters(水獭)love the sea. They swim and play there. They eat fish and sea plants. Seals and otters have thick fur. The fur keeps them warm.
小题1:The passage mainly tells us about ____________.
A.fishesB.plantsC.scienceD.sea animals
小题2:The blue whales live in the sea. They breathe air as ______do.
A.dolphinsB.fishC.crocodilesD.sea plants
小题3:Which of the sentences below is NOT true?
A.The whale can swim in the sea like a fish.
B.The whale can breathe in the sea like a fish.
C.Both whales and dolphins are sea animals.
D.Seals and otters like living near the sea.
小题4:What food do seals and otters like eating?
A.Meat.B.Fruits.C.Both fish and sea plants.D.Leaves.
小题5:Some sea animals can keep themselves warm because ___________.
A.they are big animalsB.they like playing in the sea
C.they have thick furD.they eat enough food every day

答案

小题1:D
小题2:A
小题3:B
小题4:C
小题5:C
解析

试题分析:这篇短文主要介绍了几种海洋动物的生活习性。
小题1:根据第二段Do you know that not only the fish but also some animals live in the sea?及下文描述,可知本文主要讲述的是海洋动物,故选D。
小题2:根据第三段Dolphins need air to live. They breathe air, as whales do.描述,可知选A。
小题3:根据the whale is not a fish. It can’t breathe in the water.描述,可知选项B描述错误。
小题4:根据最后一段Seals(海豹)and otters(水獭)love the sea. ……They eat fish and sea plants.描述,可知选C。
小题5:根据最后一段Seals and otters have thick fur. The fur keeps them warm.描述,可知选C。
点评:本文浅显易懂,各个小题都能在文中找到适当依据。只要认真阅读短文,注意前后联系,就能顺利完成阅读。文章所设试题主要考察细节查找,做题关键是找出原文的根据,认真核查小题和原文的异同。
核心考点
试题【A science book gives facts. Some science books tell us about animals. Some tell 】;主要考察你对科普环保类等知识点的理解。[详细]
举一反三
BEING an astronaut sounds cool, doesn"t it? In space, they get to do some pretty amazing things, like floating in zero gravity(重力).
However, there are also plenty of things that astronauts can"t do because of their weightless environment, and that"s very sad. What"s worse, they can"t even let their sadness show, because it"s impossible to cry in zero gravity.
Of course, astronauts can still produce tears. But crying is much more difficult in space, according to The Atlantic(大西洋月刊) in January. Without gravity, tears don"t flow(流动) down out of the eyes like they do here on Earth. This means that when you cry in space, your tears have nowhere to go-they just stick(粘) to your eyes.
In May 2011, astronaut Andrew Feustel experienced this during one of his spacewalks. "Tears," he said, "don"t fall off of your eyes...They just kind of stay there."
Besides making your vision(视线)unclear, this can also cause physical pain. Back on Earth, tears are supposed to bring comfort to the eyes. But that"s not the case in space. The space environment dries out astronauts" eyes, and when tears suddenly wet the eyes, it can cause pain rather than comfort. "My right eye is stinging(刺痛) like crazy," Feustel told his teammate during the walk.
Since gravity doesn"t work in space, astronauts need some extra help to get rid of(除去) the tears. Feustel chose to rub his eyes against his helmet to wipe(擦) the tears away. Another choice is to just wait-"When the tears get big enough they simply break free of the eyes and float around," astronaut Ron Parise told The Atlantic.
There are lots of small things-things like crying-that we are so used to on Earth. We usually take them for granted until they become a problem in a totally different environment, like space.  There, astronauts can"t talk to each other directly. They also can"t eat or drink in normal ways. They can"t even burp (打嗝), because there is no gravity to hold the food down in their stomach. If they do burp, they just end up throwing up(呕吐)everything in their stomach, according to the UK National Space Center.
Therefore, perhaps it"s only space explorers who can honestly say: "Gravity, you"re the best."
小题1:From Paragraphs 2 and 3 , we can know that_______.
A.astronauts are unable to feel sad in space
B.astronauts produce fewer tears in space
C.tears produced in space flow down more slowly
D.tears produced in space don"t flow downward
小题2:What effect do tears have on astronauts?
A.They cause physical pain.
B.They bring comfort to them.
C.They make their vision clearer.
D.They float around and cause trouble.
小题3:The underlined phrase "take them for granted" in paragraph 7 means _______.
A.find them important
B.consider them useless
C.need them during an emergency
D.fail to notice their presence(存在)
小题4:The second-to-last paragraph (paragraph 7) is mainly about_______.
A.suggestions of how astronauts can stay comfortable in space
B.other basic things that are difficult to do in space
C.why burping is impossible in space
D.things human can"t do without gravity

题型:不详难度:| 查看答案
We know  about the universe(宇宙). It means the earth, the sun, the moon, the stars, and the space  them.
Most of the stars are much than the moon, but they look smaller they are far away from the earth. At night, the moon is high in the sky a light. But the moon has  light of its own. The light of the moon comes from the sun. The sun gives us light, heat and life. And the plants, animals and men will die  the sun.
The earth goes around itself  . When the part of the earth  to the sun, it is day. The 10  part of the earth is night.
The earth is our homeland. We should love it.
小题1:
A.manyB.a lot ofC.muchD.few
小题2:
A.inB.betweenC.amongD.with
小题3:
A.fartherB.nearerC.warmerD.bigger
小题4:
A.becauseB.soC.butD.and
小题5:
A.looksB.likeC.looks likeD.as
小题6:
A.notB.noC.littleD.less
小题7:
A.withB.withoutC.inD.on
小题8:
A.a long timeB.in the daytime C.all the timeD.take after time
小题9:
A.turnsB.getsC.pointsD.changes
小题10:
A.frontB.followingC.oppositeD.same

题型:不详难度:| 查看答案
Water can be a liquid, a solid or a gas. When it is a solid, it can be as hard as stone. When it is a liquid, it can run through your fingers. When it is a gas, you may not see or feel it.
Water can change from a solid to a liquid or to a gas easily. This is why we always have fresh water. Now let us find out how it does. The heat of the sun turns liquid water into gas from the oceans, seas, rivers and lakes. The heat also turns liquid water into gas from the ground, the plants and the animals. Water in the gas rises and turns into clouds in the air.
When the clouds come near a mountain, they rise high. As the clouds rise, they get cooler. The higher they rise, the cooler they become. Then more and more water gas turn into water drops. In this way, the drops of water in the clouds get bigger and bigger. Then they fall to the earth as rain.
根据短文内容,选择正确答案
小题1:What is the solid of water?
A.RainB.GasC.StoneD.Ice
小题2:When the water is a _____, we may not see or feel it.
A.liquidB.soildC.gasD.snow
小题3:The water in the oceans turns into clouds because _____ 
A.the windB.the heat of the sun
C.the mountainD.the earth
小题4:According to the passage, it rains most over the_____     
A.seasB.oceansC.mountainsD.farms
小题5:The higher you go up the mountain, _____you will feel.
A.the coolerB.the hotterC.the heavierD.the bigger

题型:不详难度:| 查看答案
Air is all around us. It is around us as we talk and play. From the moment we were born, We are surrounded(围绕)by air. When we sit down, it is around us. When we go to bed, air is also around us. Wherever we are on the earth, We are surrounded by air. We live in air.
All living things need air, living things can’t live without air. We can go without food or water for a few days, but we can’t live for more than a few minutes without air. We breathe(呼吸)in air. When we are working or running, We need more air. So we breathe faster than usual. When we are asleep, We need less air.
小题1:From the text, we know that on the earth _____
A.there is air everywhere
B.some animals don’t need air
C.plants need more air
D.for a long time people don’t need air
小题2:The writer tells us that _____
A.there is less air on the earth than on the moon
B.the earth is covered with air
C.the earth is covered with water
D.there is no air on the earth
小题3:Which is the first important thing for people’s lives?
A.WaterB.AirC.FoodD.Sunlight
小题4:Which of the following things needs air?
A.LandB.A mirrorC.A catD.A river
小题5:A man needs more air when he _____
A.diesB.runs fastC.takes a restD.sleeps

题型:不详难度:| 查看答案
A kind of little cars may some day take the place of today’s cars. If everyone drives such cars in the future,there will be less pollution from the cars. There will also be more space for parking cars in cities,and the streets will be less crowded. Three such cars can park in the space now needed for one car of the usual size.
The little cars will cost much less to own and to drive. Driving will be safer,too,as these little cars can go only 65 kilometers an hour. The cars of the future will be fine for getting around a city,but they will not be useful for long trips. Little cars will go 450 kilometers before needing to stop for more gas(汽油).
If big cars are still used along with the small ones,two sets of roads will be needed in the future. Some roads will be used for the big,quick cars and other roads will be needed for the slower,smaller ones.
小题1:There is much pollution from the cars today because________.
A.people drive big carsB.the cars go 65 kilometers an hour
C.people drive small carsD.the cars can go 450 kilometers an hour
小题2:The usual size of cars today are________that of future cars.
A.smaller thanB.the same asC.three times as large asD.a little larger than
小题3:We can learn from the passage that________.
A.big cars cost less to own and to drive
B.the cars of the future will be much smaller than today’s cars
C.big cars are not useful for long trips
D.small cars are faster than big ones
小题4:The street will be less crowded in the future because________.
A.there will be fewer carsB.there will be fewer people in the street
C.driving future cars will be safeD.future cars will be much smaller
小题5:Two sets of roads may be needed in the future because________.
A.there will be too many cars in the future
B.more and more people will get around a city
C.big cars will be used along with the small ones
D.it looks more beautiful to have two sets of roads

题型:不详难度:| 查看答案
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