题目内容
3.Keeping a regular sleep schedule is important for setting a baby's body clock, researchers note should be in place by about 4 months of age.( )A. | whose | B. | which | C. | when | D. | where |
分析 拥有一个有规律的睡眠时间安排表对小宝宝的生物钟的设定很重要,这一点研究者们指出在小宝宝四个月的时候就应该到位.
解答 答案 B 考察定语从句.把从句中的researchers note看作是插入语去掉后,就能看出定语从句缺少主语.故填关系代词which.which指代前面整个一句话的内容.句意:拥有一个有规律的睡眠时间安排表对小宝宝的生物钟的设定很重要,这一点研究者们指出在小宝宝四个月的时候就应该到位.
点评 本题属于容易题,定语从句的题目属于语法中最基础的题型,按照找先行词,确定是否缺少成分的方法即可迅速锁定答案.
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