皮皮学，免费搜题
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【单选题】
原发性痛经多发生于青春期,的( )A.
3~6个月内
B.
6~12个月内
C.
1~2年内
D.
2~3年内
E.
3~4年内
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】调幅分解处理
【单选题】Sorry, we already have four people in the car, so there_____for this box.
A.
is a little room
B.
are no rooms
C.
is little room
D.
are few rooms
【单选题】听力原文：W: Good morning, sir. What can I do for you? M: Yes. I'd like to have a single room with a bath from the morning of September 7th to the morning of October 10th. How long will the man stay in thi...
A.
Just one month,
B.
32 days.
C.
33 days.
D.
34 days.
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