[题目]Once environmental damage , it takes many years for the system to recover.A. has done B. is to doC. does D. is done 题目和参考答案——青夏教育精英家教网—

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【题目】Once environmental damage ___________, it takes many years for the system to recover.

A. has done B. is to do

C. does D. is done

【答案】D

【解析】考查被动语态。句意：环境一旦受损，系统要多年才能修复。来自do damage to.=damage is done to.

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A. The woman had a photo shop of her own.

B. The woman developed her photos all by herself.

C. The woman developed part of her own film.

A. Ten years old. B. Thirteen years old. C. Fifteen years old.

A. At a bookstore. B. At the school library. C. At the man’s home.

A.envyB.admireC.respectD.proud

A. Where it was that B. Where was it that

C. Where was it there D. It was where that

A.concentratedB.focusedC.absorbedD.centered

---Yes, there’s one point _________we must insist on.

A. that B. where

C. when D. as

A. finished B. finishing

C. having finished D. was finished

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