题目内容
8.The polo bear will face the fate of extinction ______ the ice keeps melting at an alarming speed.( )A. | if | B. | until | C. | unless | D. | before |
分析 polo熊将面对灭绝的命运,如果冰继续以惊人的速度融化的话.
解答 答案:A 根据句意,如果冰继续以惊人的速度融化的话,polo熊将面对灭绝的命运.可知此处缺少了一个引导条件状语的连接词,故选A.如果
点评 本题考查条件状语从句的连接词,在充分分析句型再结合语义的基础上便能选出正确答案,
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