题目内容
3.There are fewer and fewer tigers in India.The situation will continue ________ humans stop hunting them for their fur and bones.( )| A. | if | B. | unless | C. | because | D. | since |
分析 印度虎越来越少了,这种情况会持续下去,除非人类停止为了虎皮和虎骨的猎杀活动.
解答 答案:B.
本题考查的是从属连词的辨析.根据题意,从前半句"这种情况会持续下去"和后半句"人类停止为了虎皮和虎骨的猎杀活动."来看,这里需要一个表假设的连词,主句用一般将来时从句用一般现在时说明后句是表假设的条件状语从句,结合选项,unless可以引导一个表假设的条件状语从句,意为"除非",相当于if not.故选B.
点评 做这种题时,首先要根据语境及上下文确定考察范围--连词;其次根据句意确定连词;再次根据选项中的连词意思即可确定答案.
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