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题目
题型:不详难度:来源:
Exploring ________space is exciting, yet dangerous. There is ________need for both robots and humans for space exploration.
A.the; aB.a; aC./; aD./; the

答案
C
解析

试题分析:句意:探索太空是令人兴奋的,然而也是危险的,太空探索即需要机器人也需要人类。第一空不填,space是抽象名词,第二空填a,There is a need for..“有…需求”,所以选C。
核心考点
试题【Exploring ________space is exciting, yet dangerous. There is ________need for bo】;主要考察你对数词等知识点的理解。[详细]
举一反三
---I will have to think about it again.
--- If you _    , you may lose the opportunity to compete altogether.
A.hesitateB.wonderC.continueD.fail

题型:不详难度:| 查看答案
I ________ on a sofa because my grandparents have been here to spend the weekend.
A.sleptB.was sleepingC.have sleptD.am sleeping

题型:不详难度:| 查看答案
I"m interested in a single room. Do you have any ________?
A.convenientB.availableC.possibleD.personal

题型:不详难度:| 查看答案
The further falling of the stock market as reported today has ________ a fresh wave of selling.
A.given offB.set offC.put offD.got off

题型:不详难度:| 查看答案
If we keep wasting so much energy, ________are that our oil wells will dry up and the environment will be destroyed.
A.problemsB.difficultiesC.questionsD.chances

题型:不详难度:| 查看答案
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