题目内容
14.Before carrying out the plan,we must consider ______ the new use of the drug needs further tests.( )A. | when | B. | why | C. | whether | D. | that |
分析 在实施计划之前,我们必须要考虑这种药品的新用途是否需要进一步的检测.
解答 答案:C
题干中the new use of the drug needs further tests是作consider的宾语,是一个宾语从句;when表示时间,why表示原因,whether表示是否,that无词意;句意表达的是不确定,故选C.
点评 在句子中起名词作用的各种从句统称为名词性从句.根据它们在句中的语法作用,这类从句又可分为主语从句、同位语从句、表语从句和宾语从句.
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