Evidence has been found through years of study _____ children’s early sleeping p
题型：不详难度：来源：
Evidence has been found through years of study _____ children’s early sleeping problems are likely to continue when they grow up.| A．why | B．how | C．that | D．whether |
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答案
| C |
解析
试题分析：通过分析句子结构，可知这个句子中包含一个同位语从句，且引导词在同位语从句中不作任何成分，且没有实际意义，故用that。
点评：在复合句中充当同位语的名词性从句称为同位语从句。解答这类题，首先要确定从句是什么从句，然后依据相应的语法规则答题。同位语从句中引导词的确定，要看它在同位语语从句中作什么成分，有没有什么实际意义。 |
举一反三
These examples, once ___ to his article, will make it sound more reasonable and acceptable.| A．add | B．to add | C．adding | D．added |
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--- Who should be responsible for the accident?
--- The boss, not the workers. They just carried out the order _______.| A．as told | B．as are told | C．as telling | D．as they told |
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______ around the Water Cube , we were taken to see the Bird’s Nest for the 2008 Olympic Games.| A．Having shown | B．To be shown | C．Having been shown | D．To show |
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______ well, you need to have a good sense of balance. | A．Danced | B．To dance | C．Dance | D．Dancing |
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The man put out the cigarette when _______ that smoking was not allowed on the train.| A．reminding | B．reminded | C．to remind | D．being reminded |
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