题目内容
18.If you have trouble pronouncing these words,you can repeat them over and over again ____ you are comfortable with them.( )| A. | unless | B. | if | C. | until | D. | while |
分析 如果这些单词你发音有困难,你可以不断的重复一直读到比较舒服为止.
解答 答案C unless意为"除非,如果不"引导条件状语从句;if意为"如果"引导条件状语从句;until意为"直到…才"引导时间状语从句;while意为"当的时候"引导时间状语从句.根据"repeat them over and over again"以及"you are comfortable"可知不断的重复读单词,一直到舒服为止,所以要用until,故选C.
点评 首先要掌握这几个连词的意思及用法,然后结合具体的语句,做出正确选择
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| Xiang Jingyu a Pioneer (先锋)of the Women's Libration Movement(解放运动) | ||
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| Birthplace | Xupu county Hunan province | |
| Education | At Hunan Provincial No.1Girl's Normal School | |
| Joining CPC | 1922 | |
| Death | 1928,at the age of 33 | |
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