About 71% of the earth’s surface ______ covered with water, but 20% of the world - 高中英语试题 - 超级试练试题库

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题型：不详难度：来源：

About 71% of the earth’s surface ______ covered with water, but 20% of the world population ______ have access to safe drinking water.

A．is; doesn’t

B．are; don’t

C．are; doesn’t

D．is; don’t

答案

解析

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核心考点

试题【About 71% of the earth’s surface ______ covered with water, but 20% of the world】；主要考察你对一般现在时等知识点的理解。[详细]

举一反三

—May I see your ticket, please? I think you ________ in my seat.
—Oh, you’re right. My seat is upstairs. I’m terribly sorry.

A．are sitting

B．sit

C．sat

D．have sat

题型：不详难度：| 查看答案

Miss Li ________ as a biology teacher for fifteen years in our school, and now she is Party secretary of our city.

A．works

B．worked

C．had worked

D．has worked

题型：不详难度：| 查看答案

It ________ me that I could buy the admission ticket of the exhibition at the discount of 50% with my student card, ________ made me extremely excited.

A．happened to; that	B．occurred to; it
C．happened to; which	D．occurred to; which

题型：不详难度：| 查看答案

—You must apologize to Rebecca for being so rude, Sam.
—Why ________ I say sorry? It’s she ________ said insulting words first.

A．should; who

B．must; whom

C．can; that

D．will; who

题型：不详难度：| 查看答案

When and where he came here _______ yet.

A．isn’t known

B．aren’t known

C．has not known

D．have not been known

题型：不详难度：| 查看答案

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