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全国英语等级考试三级模拟题:阅读理解(七)

责编:胡陆 2020-06-19
英语三级资料领取

全国英语等级考试英语三级阅读理解满分为30分。总共五篇阅读理解,阅读理解部分由PartA、PartB、PartC和PartD组成,总共五篇文章。主要考查考生理解书面英语的能力。为帮助大家有针对性的复习,希赛网英语三级频道为大家整理了“全国英语等级考试三级模拟题:阅读理解”。

Flying over a desert area in an airplane,two scientists looked down with trained eyes at treesand bushes.After an hour's flight,one of the scientists wrote in his book,"Look here for probable metal."Scientists in another airplane,flying over a mountain area,sent a message to other scientists on the ground,"Gold possible."Walking across hilly ground,four scientists reported,"This ground should be searched for metal."From an airplane over a hilly wasteland a scientistsent back by radio one word:"Uranium."

None of the scientists had X-ray eyes:they had no magic power of looking down below theearth's surface.They were merely putting to use one of the newest methods of locating minerals inthe ground...trees and plants as signs that certain minerals may lie beneath the ground on whichthe trees and plants are growing.

This newest method of searching for minerals is based on the fact that minerals deep in theearth may affect the kind of bushes and trees that grow in the surface.

At Watson Bar Greek,a brook(小溪)six thousand feet high in the mountains of British Columbia,Canada,a mineral search group gathered bags of tree seeds.Boxes were filled with smallbranches from the trees.Roots were dug and put into boxes.Each bag and box was carefullymarked.In a scientific laboratory,the parts of the forest trees were burned to ashes and tested.Each small part was examined to learn whether there were minerals in it.

Study of the roots,branches,and seeds showed no silver.But there were small amounts ofgold in the roots and a little less gold in the branches and seeds.The seeds growing nearest to thetree trunks had more gold than those growing on the ends of the branches.

1、Which of the following is NOT mentioned as part of a tree that can help find minerals?

A.Leaves.

B.Roots.

C.Branches.

D.Seeds.

参考答案:A

2、Scientists were flying over a desert or a hilly wasteland or.a mountain area in order tosearch forin the ground.

A.gold

B.silver

C.uranium

D.minerals

参考答案:D

3、The scientists were searching for minerals by using

A.X-ray

B.magic power

C.a special instrument

D.trained eyes

参考答案:D

4、The study of trees,branches and roots shows that

A.there were larger amounts of gold in the branches than in the seeds

B.there were smaller amounts of gold in the roots than in the branches

C.there were less amounts of gold in the seeds growing on the ends of branches than seeds growing nearest to the tree trunks

D.there was more gold in the branches than in the roots

参考答案:C

5、Which is the best title suggested below?

A.Scientists Searching for Metals with Special Power

B.New Methods of Searching for Minerals

C.Gold Could Be Found by Trees and Plants

D.A New Method of Searching for Minerals--Using Trees and Plants

参考答案:D

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