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There are seven continents﹙洲﹚in the world. Among them, Antarctica﹙南极洲﹚is the most special one. It is a world of snow and ice all year round. China has sent many scientists there. They try to find resources﹙资源﹚under the icy land and study climate change and sea biology.
What do they eat?
Scientists don’t have many choices on what they eat. About 60% their food is frozen food. It is easy to heat﹙加热﹚。Meat is common on the menu, while vegetables are not usual. Fresh vegetables are hard to grow in the cold weather. Therefore, people often eat dried and canned vegetables.
How do they sleep?
In Antarctica, summer lasts from November to March. During this time, Antarctica faces the sun and gets sunlight 24 hours of the day. In order to get some sleep,scientists cover the window with black cloth to make “night”.
How do they work?
People can wear warm clothes to be against the cold weather, but they can do little with the strong wind. Sometimes, the wind is even stronger than a typhoon. It can easily blow people away.
So there are ropes﹙绳索﹚that connect some research stations. People can hold these ropes to keep balance in strong winds.
How do they keep in touch with others?
There are no cables or Internet on the frozen continent. So mobiles and computers don’t work there. Scientists usually use two-way radios to communicate at work. If they want to say hello to family and friends, they can use the satellite phones.
小题1:What do scientists do in Antarctica?
A.They mostly study on the animals and plants there.
B.They mostly find resources and study climate change and sea biology.
C.They mostly find different kinds of lives under the ice and study them.
D.They mostly study on the ice and geography.
小题2:What kind of vegetables do they usually eat?
A.Fresh vegetables
B.Green vegetables only
C.Dried and canned vegetables
D.They go down the ice to work.
小题3:What do they do when the day lasts for 24 hours?
A.They work all day long.
B.They find a way to make “night”.
C.They stop working on those days.
D.They go down the ice to work.
小题4:How do the scientists work on the terrible windy days?
A.They use ropes to help themselves.
B.They just stay in the houses.
C.They use cars and ships to help.
D.They don’t think the wind brings trouble.
小题5:If scientist wants to say “I love you”to her daughter, what can she use?
A.Mobile phonesB.Tow-way radiosC.Satellite phonesD.Iphones and Ipods.

答案

小题1:B
小题2:C
小题3:B
小题4:A
小题5:C
解析

试题分析:本文介绍了在冰雪大陆的南极洲,科研人员的吃、睡、工作及与外界的联络等问题。
小题1:细节理解题。根据短文第一段They try to find resources﹙资源﹚under the icy land and study climate change and sea biology.他们努力地寻找冰下资源、研究气候变化和海洋生物。可知答案为B。
小题2:细节理解题。根据短文第二段Fresh vegetables are hard to grow in the cold weather. Therefore, people often eat dried and canned vegetables.新鲜的蔬菜很难生长在寒冷的天气里,因此人们经常吃干菜和罐装蔬菜。故选C。
小题3:推理判断题。根据短文第三段In order to get some sleep,scientists cover the window with black cloth to make “night”.为了睡眠,科学家们用黑布盖上窗子来制造黑夜。故答案为B。
小题4:推理判断题。根据短文第四段So there are ropes﹙绳索﹚that connect some research stations. People can hold these ropes to keep balance in strong winds.所以有一些连接研究站的绳索,人们可以抓住这些绳子在强风中保持平衡。故选A。
小题5:推理判断题。根据短文第五段If they want to say hello to family and friends, they can use the satellite phones.如果他们想向家人问好,可以用卫星电话。故选C。
核心考点
试题【There are seven continents﹙洲﹚in the world. Among them, Antarctica﹙南极洲﹚is the mos】;主要考察你对科普环保类等知识点的理解。[详细]
举一反三
Antarctica is in the most southern part of the world. It is like nowhere else on the earth. It is much larger than Europe, and nearly twice the size of Australia. Antarctica is the coldest and windiest place in the world, even colder and windier than the North Pole. In summer, the sun shines for twenty-four hours a day, but in winter it’s completely dark for about three months. Very few plants grow there, but there is some wildlife, including whales, seals and penguins.
When Captain James Cook traveled around Antarctica in the 1770s by ship, he found no one living there. Today, a few scientists work in Antarctica, but they only spend a short time there.
Many scientists are studying the ozone layer, which is getting thinner and thinner worldwide. The biggest “hole” is above Antarctica, and weather there is getting warmer. Scientists think that this cold and lonely place can teach us a lot about the earth and how to keep the earth safe.
小题1:When did Captain James Cook travel around Antarctica?
A.In the 1670s.B.In the 1760s.C.In the 1770s.D.In the 1780s.
小题2:The underlined part “ozone layer” means “________” in Chinese.
A.冻土层B.大气层C.臭氧层D.高压层
小题3:How many kinds of animals are mentioned in the passage?
A.Two.B.Three.C.Four.D.Five.
小题4:Which of the following is TRUE according to the passage?
A.Antarctica is much bigger than Australia in size.
B.Scientists spend a long time in Antarctica.
C.There is no plant growing in Antarctica.
D.In winter, it’s dark for about 70 days in Antarctica.
小题5:Why is the weather in Antarctica getting warmer and warmer?
A.Because there are more and more people living there.
B.Because the ozone layer is being destroyed.
C.Because the sun shines a long time every day there.
D.Because the weather in other places is getting warmer.

题型:不详难度:| 查看答案
Many animals hide(躲藏) to stay alive. They hide in many ways. Some animals hide in leaves; some animals hide in snow. Usually their colors or shapes(形状) help protect them. It’s hard to see an Arctic bear in snow. Its white fur helps protect it. Chameleons(变色龙) can hide by changing colors. Their skin turns the same color as what is around them. Some chameleons can change colors in five minutes.
Many animals try to look bigger than they are to stay alive. Some animals can make other animals think they are very big. If they look very big, animals that are looking for food will run away. Bears can walk on two legs. They look very, very scary(可怕的). Some animals will run away from them.
Many animals try to stay around other animals. This helps them stay alive. Zebras stay close together so that they can help each other look out of danger. Seeing many stripes(条纹) at once can also confuse(使混乱) animals that want to eat them. Some birds stay in a circle, each toward a different direction. In this way they can also help each other stay alive by looking around for animals that may want to eat one of them.
小题1:Animals have ways to stay alive. Which animal try to look bigger than they are to stay alive in the passage?
A.Zebras.B.Chameleons.C.Birds.D.Bears.
小题2:Why do animals hide?
A.Because they like to play hide-and-seek.
B.Because they are shy.
C.Because they want to catch other.
D.Because they want to protect themselves.
小题3:How do Chameleons hide?
A.They change colors.B.They change shapes.
C.They hide in snow. D.They hide in leaves.
小题4:How do zebras hide?
A.Become good friends.B.Talk to each other.
C.Help each other look out for danger.D.Eat and play together.
小题5:Why do animals try to look bigger than they are?
A.They want other animals to run away from them.
B.They want other animals to follow them.
C.They want other animals to see them.
D.They want other animals to like them.

题型:不详难度:| 查看答案
On Sunday , April 22nd , people all over the world take time out to appreciate the earth that we all share .It’s Earth Day , a special day to learn about our planet and how to take care of it .
On Earth Day , some people listen to speeches about the environment . Others help clean up their offices or save water and electricity at home .Your parents may even decide to take a day off from driving their cars .
The idea for Earth Day came from a U.S. Senator(参议员) . He was worried about pollution and the health of plants and animals . And the idea quickly caught on (流行起来) . In 1970 , the first Earth Day was celebrated . More than 20 million people in cities all over the U.S. took part in it .Since then, Earth Day has been used to educate people about their roles in taking care of our planet .
Now , Earth Day has become a worldwide celebration. In 1990, two hundred million people from 140 countries took part in clean-ups , tree planting and other environmental events on  Earth Day .  
小题1:Earth Day is a special day to learn about our planet and          .
A.how to pay attention to the earth
B.how to learn English
C.how to go to the moon
D.how to make use of time
小题2:On Earth Day , we are told to           .
A.go shopping
B.save water and electricity at home
C.listen to music
D.drive our cars
小题3:The idea for Earth Day was given by a __________ from America .
A.farmerB.teacherC.scientistD.senator
小题4:According to the passage ,the first Earth Day was celebrated in____________ .
A. 1990, the U.S.A.              B. 1970, Beijing
C. 1970, America                D. 1990, America
小题5:Why has Earth Day become a worldwide celebration ? Because __________.
A.Earth Day is on Sundays .
B.we can sing songs on Earth Day
C.there are so many people on Earth Day
D.Earth Day can teach people how to take care of our planet

题型:不详难度:| 查看答案
We have an English corner in our classroom. Every morning many of my classmates come to the corner. My teacher Miss Zhang comes here, too. At the corner, we all speak English.
The corner started last year. At first, there were only__ students because many were ____to speak English. After several weeks, more and more students came here. At first, some students just _____to the other students. I was one of them. I was afraid to speak English. I thought someone would ______me, but I wanted to speak. I always spoke English in my heart. My teacher went on saying, “Don’t be afraid. Open your mouth.” I tried and tried to open my mouth. At last, I said, “Hello!” to the teacher. The teacher was very ____. She said “Hello!” to me at once. From ___on, I began to speak English. I work hard at English and I try my best _more. I learn __my teacher and my classmates at the corner. Now I can speak a little English. Every Sunday morning, I come to the corner ___.
It’s a good ___ to speak English. Please join us.
小题1:
A.a lot ofB.a fewC.a littleD.a bit of
小题2:
A.excited B.interestedC.angryD.afraid
小题3:
A.talkedB.spokeC.listenedD.came
小题4:
A.helpB.laugh atC.stopD.fit into
小题5:
A.happyB.interestingC.sad D.afraid
小题6:
A.thenB.nowC.todayD.that
小题7:
A.sayingB.of talkC.to speakD.telling
小题8:
A.toB.at C.for D.from
小题9:
A.lateB.oftenC.earlyD.too
小题10:
A.roomB.placeC.homeD.school

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阅读下面短文,把方框中的句子还原到文中,然后完成第五小题。(每题1分,共5 分)
If you look at the sky one night and see something moving and shining that you have never seen before, it might be a comet (彗星).
  A comet sometimes looks like a star.  ____小题1:____ It shines from the sunlight it reflects (反射). Like the earth, a comet goes round the sun, but on a much longer path (轨道) than the earth travels.
If a comet isn’t a star, what is it then?
   Some scientists think that a large part of a comet is water frozen into pieces of ice and mixed with iron and rock dust and perhaps a few big pieces of rock. ____小题2:______ These clouds, together with the dust, form a long tail.
Many people perhaps have seen a comet. _____小题3:_____ .There may be millions of comets, but only a few come close enough for us to see.
An Englishman named Edmund Halley, who lived from 1656 to 1742, found out a lot about the paths that comets take through the sky.  ______小题4:____  . Others keep coming back at regular times. A big comet that keeps coming back was named after Halley because he was the one who worked out when it would come back again. Maybe you have ever seen Halley’s Comets because the last time it came close to the sun and the earth was in the year 1986. Then people all over the world were outside at night to look at it. You will probably be able to see Halley’s Comets when it comes near the earth again.
A. However no one knows how many comets there are.
B. Some comets move out of our sight and never come
C. Like a planet, a comet has no light of its own.
D. When sunshine melts (融化) the ice in the comet, great clouds of gas go trailing after it.
小题5:Which of the following is not true?
A.A large part of a comet is ice, iron and rock dust
B.Some comets keep coming back at any time
C.Halley’s Comets came back in 1986
D.Maybe many people have seen a comet

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