皮皮学，免费搜题
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【多选题】
信息分类的方法有A.
字母分类法
B.
地区分类法
C.
主题分类法
D.
数字分类法
E.
时间分类法
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
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皮皮学刷刷变学霸
举一反三
【简答题】系统根轨迹在实轴上如何分布?
【单选题】How long will the man have to wait for a one-bedroom apartment?
A.
6 months.
B.
It is readily available.
C.
3 weeks.
D.
2 days.
【单选题】— How long has the man been waiting? — He _____ for 20 minutes. [ ]
A.
has been waiting
B.
is waiting
C.
was waiting
D.
will wait
【单选题】How long is the man going to stay in the hotel?
A.
Two nights．
B.
One night．
C.
Not mentioned．
【简答题】听下面一段材料,回答第1-3题. 1. How long has the man stayed in the hotel by now? A. As long as fif minutes B. Less than a quarter of an hour. C. Less than ten minutes. 2. Why does the man complain to the rece...
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