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1、2020学年人教版英语精品资料Unit 2Exercise 1 (建议用时：15分钟)阅读理解APeople cant survive without food.Long ago, early people couldnt grow crops, so they had to live by hunting animals and gathering grains.After a tribe(部落) had lived in an area for some time, its food supply would begin to reduce.Then the tribe had to mo
2、ve to new hunting grounds where there was more food.This way of life caused special problems for the tribes.They were forced to depend on luck, as well as on their hunting skills.If they could find no game,_the whole tribe would be in danger of starving.And when the hunters had good luck one day, th
3、ey were not sure to find game the next time.The tribes moved often because much land was needed to support their people.As time passed by, people learned that they could grow their food.At first, the women of tribes collected patches of wild grain.Later, people discovered that they could plant their
4、 own seeds.Farming slowly became a way of life.As people turned away from hunting to farming，their life changed.When the food supply became richer and richer, they no longer moved from place to place.The success of their crops depended partly on the weather, but there were also things they could do
5、to help crops grow.In the past, a tribe had to travel many miles for food.Now, only a small amount of land was necessary to feed the whole tribe.The early tribe could grow in size because farming provided a way to feed people.语篇解读人要生存就离不开食物，我们的祖先最初是靠种植来获取食物吗？阅读本篇了解一下种植是如何成为人类一种生存方式的。1Why did the ear
6、ly tribes move so often?AThey enjoyed traveling around.BThey had to find enough food.CBecause of the bad weather they did not like to stay in one place.DThey liked to go hunting everywhere.解析：细节理解题。根据第一段第三、四句“After a tribe had lived in an area for some time，its food supply would begin to reduce.Then
7、 the tribe had to move to new hunting grounds where there was more food.”可知，答案为B。答案：B2The underlined word “game” in Paragraph 2 probably means “_” in Chinese.A游戏B比赛C野味D赌博解析：词义猜测题。根据第二段第二、三句“They were forced to depend on luck，as well as on their hunting skills.If they could find no game，the whole tri
8、be would be in danger of starving.”可知，他们主要靠幸运活下来，如果找不到野味(猎物)，整个部落会处于饿死的危险境地。由前面hunting便知答案为C。答案：C3When farming provided enough food to people，_.Athe women didnt do any work at allBthe tribe could grow larger and life became steadyCthey did not move at allDthey no longer went hunting解析：细节理解题。根据文章最后一句
9、“The early tribe could grow in size because farming provided a way to feed people.”便知B项内容正确。答案：B4From the passage we can infer that _.Aearly tribes liked moving from place to placeBhunting was interesting in early daysCthe change from hunting to farming happened very quicklyDlife was hard and unstea
10、dy for early tribes解析：推理判断题。从第一段中得知，“一个部落在某一地区居住一段时间后，食物量不断减少，该部落不得不搬到有更多食物的地方”；从第二段中得知，“他们主要靠幸运活下来，如果找不到野味(猎物)，整个部落会处于饿死的危险境地”，因此对早期的种族来说，生活是艰辛的，不稳定的。答案：DBScientists are trying to make the deserts into good land again. They want to bring water to the deserts, so people can live and grow food.They a
11、re learning a lot about the deserts.But more and more earth is becoming deserts all the time.Scientists may not be able to change the deserts.Scientists think that people make deserts.People are doing bad things to the earth.Some places on the earth dont get very much rain.But they still dont become
12、 deserts.This is because some green plants are growing there. Small green plants and grass are very helpful to dry places.Plants dont let the hot sun make the earth even drier.Plants dont let the wind blow the earth away.When a little bit of rain falls，the plants hold the water.Without plants, the l
13、and can become a desert much more easily.语篇解读由于土地沙漠化，农田面积在减少，如何使沙漠变良田，植被作用至关重要，科学家们正在为此努力。5Small green plants are very important to dry places because _.Athey dont let the sun make the earth even drierBthey dont let the wind blow the earth awayCthey hold the waterDall of the above解析：细节理解题。由原文第二段内容可知
14、，A、B、C三项均可，所以选择D项。all of the above表示“以上所有的(选项)”。答案：D6Land is becoming deserts little by little because _.Aplants cant grow thereBthere is not enough rainCpeople dont do what scientists wish them to doDscientists know little about the deserts解析：推理判断题。阅读第一段可知，只有C项符合现实。答案：C7Which is the main idea of th
15、e first paragraph?AScientists know how to change deserts into good land.BLand is becoming deserts faster than scientists can change it back into good land.CIf scientists can bring water to deserts, people can live and grow food there.DMore and more places are becoming deserts all the time.解析：段落大意题。由第一段和现实可知，土地沙漠化的速度要比科学家尽力使沙漠变良田的速度快，B项概括完整。其他三个选项都很片面，不能概括整个段落的含义。答案：B8After reading this passage, we learn that _.Aplants can keep dry land from becoming desertsBit is good to get rid of the grass in the desertsCall places without much rain will become desert
