◎ 题干
What the doctor warned us is that the _____ sleep may cause anger,poor memory and poor
concentration.
[     ]
A. want in
B. plenty of
C. lack in
D. lack of
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“What the doctor warned us is that the _____ sleep may cause anger,poor memory and poor concentration. [ ]A. want in B. plenty of C. lack in D. lack of …”主要考查了你对  【名词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。