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【題目】We are confident that the environment ________ by our further efforts to reduce production.

A.had improvedB.is improvedC.will be improvedD.improved

【答案】C

【解析】

考查時態(tài)和語態(tài)。句意:我們相信,通過進一步努力減少生產,環(huán)境會得到改善。根據語境可知,此事還未發(fā)生,且此處表示被動,故用一般將來時的被動語態(tài)。故選C。

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