【題目】There is no doubt that climate all over the world ______ greatly in recent years.

A. had changedB. is changing

C. changedD. has been changing

【答案】D

【解析】

考查時(shí)態(tài)。句意:毫無(wú)疑問(wèn),最近幾年全球氣候一直在劇烈變化。本句的時(shí)間狀語(yǔ)in recent years通常與現(xiàn)在完成時(shí)連用,表示一段時(shí)間以來(lái)一直發(fā)生的事情,ABC三項(xiàng)都不是現(xiàn)在完成時(shí),F(xiàn)在完成進(jìn)行時(shí)強(qiáng)調(diào)從過(guò)去開(kāi)始發(fā)生的事情一直延續(xù)到現(xiàn)在,與語(yǔ)境相符,故選D項(xiàng)。

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