题目内容
11.You won't be able to go to high school __________ you work much harder.( )| A. | if | B. | unless | C. | because | D. | when |
分析 除非你更努力学习,否则你将不能上高中了.
解答 答案:B;if如果;unless除非;because因为;when当…的时候;根据句意"You won't be able to go to high school你将不能上高中了"和"you work much harder 你更努力学习",可知后句是前句的条件,而且是否定的条件,用unless引导,unless=if not,意为"除非,要不然";故选B.
点评 根据语境,细读选项,认真分析选项之间的异同,选择正确的答案.
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