阅读理解

　　Do you know Eskimos?Let me tell you something about their lives：

　　Eskimos live near the North Pole.There are only two seasons there，winter and summer.There is no spring or autumn.The winter nights are long.You can't see the sun for more than two months，even at midday.The summer days are long.For more than two months，the sun never goes down and there's no night.

　　Eskimos have warm clothes.They make their clothes from the skins of animals.From skins they make coats，caps and shoes.

　　Near the North Pole trees can't grow.for it is too cold there.The Eskimos have to make their houses from skins，snow or stones.When they go out in storms and can't get back home they make houses of snow,they leave these snow houses when the storm is over.

　　Life is hard for the Eskimos,but they still like to live there.

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阅读下面短文，然后根据短文内容选择最佳答案。

　　Take a rapid look at someone, then look away．Do you realize you have made a statement? Hold the glance for a second longer, and you have made a different statement．Hold it for three seconds, and the meaning has changed again．For every social situation, there is an allowed time that you can hold a person's look without being close, rude or dangerous．If you are on a lift, what stare time are you permitted? To answer this question, consider what you specially do．You very likely give other passengers a quick look to judge of them and to let them believe that you mean no harm．Since being close to another person suggests the possibility of communication, you need to give a signal telling others you want to be left alone．So you cut off eye contact(接触), what Dr．Erving Goffman(1963)calls“a dimming of the lights”．You look down at the floor, at the lift door, or anywhere but into another passenger's eyes．If you break the rule against staring at a stranger on a lift, you'll make the other person gradually uncomfortable, and you are likely to feel a bit strange yourself．

　　If you hold eye contact for more than 3 seconds, what are you telling another person? Much depends on the person and the situation．For instance, a man and a woman communicate interest in this matter．They may look at each other for about 3 seconds at a time, then drop their eyes down for 3 seconds, before letting their eyes meet again．But if one man gives another man a 3-second-plus stare, he signals,“I know you”,“I am interested in you”,or“You look strange and I am curious about you”．This type of stare often produces unfriendly feelings．

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阅读理解

　　At the moment，it may be difficult to imagine，but many people believe that，by the year 2100，we will live on the planet(行星) Mars.Our own planet，Earth，is becoming more and more crowded and polluted.We should build a better world on Mars.

　　First of all，transport should be better than they are today.Now it is difficult for spacecraft(宇宙飞船) to carry too large number of people to Mars梚t takes months.By 2100，travel to Mars will take a very short time in space shuttles that travel at half the speed(速度) of light.

　　Humans need water，air and food to survive.Scientists should be able to develop the plants that can grow on Mars.These plants can provide the air and food that we need.However，the scientists are not sure whether these plants can provide water.

　　Gravity(重力) will be the problem for the early settlers on Mars.The gravity on Mars will be about only three-eighth of the gravity on Earth.It is very dangerous for us because we can easily jump too high and float(漂浮) away into space.To prevent this，we have to wear special boots to make ourselves heavier.These boots will probably very popular and there will be many different designs for settlers to choose from.

　　Life on Mars will be better than life on Earth in many ways.We will have more space.Living in a dome with 10 bedrooms is highly possible.Many people thought that robots will do most of our work and we will have more time for our

hobbies.There will be no schools on Mars.Students will have a computer at home connecting to the inter-planet computer network.They can study，do homework and take exams in online schools.

　　However，in some ways，life on Mars may be worse than life on Earth.For example，food will be not the same as they are today，it may be in the form of pills(药片).

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