单选题：Experts have found that normal sleep can be divided into fiv

题目内容：

Experts have found that normal sleep can be divided into five __________ stages. A．moderate
B．initial
C．distinct
D．advanced

参考答案：

答案解析：

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分类：英语(二) 题型：单选题

分类：英语(二) 题型：单选题

阅读短文，回答题：The reason why the toys most boys play with are different from those th

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Write on ANSWER SHEET THREE a note of about 50 -60 words based on the following

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All the flights __________ because of the extremely heavy rain，we had to postpon

分类：英语(二) 题型：单选题