【題目】In the past 100 years many species, as a result of human destruction to nature，__________ and many more __________ now.

A. have disappeared； are disappearing

B. disappeared；are disappearing

C. have disappeared；disappear

D. are disappearing；disappear

【答案】A

【解析】句意：在過去的一百年里，由于人類對自然的破壞，許多物種消失了，現(xiàn)在更多的正在消失。 in the past 100 years與現(xiàn)在完成時態(tài)連用。

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