题目内容：
回答第55空。
A．A weight B．B form
C．C risk
D．D work
参考答案：
答案解析：
单选题：回答第55空。
- 题目分类：理工类
- 题目类型：单选题
- 查看权限：VIP
B．B form
C．C risk
D．D work
B．B form
C．C risk
D．D work
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According to the author， many sleeping disorders are caused by __________．A．othe
回答第52空。
回答第52空。A．A when B．B that C．C who D．D whose
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下面的短文有5处空白，短文后有6个句子，其中5个取自短文，请根据短文内容将其分别放回原有位置，以恢复文章原貌。A. They end up pressing c
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Every country has its own way__________.
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