皮皮学，免费搜题
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【单选题】
老师发给同学们几个健身操视频?A.
3
B.
4
C.
5
D.
6
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
【单选题】Chen Guangbiao says he ______ all his money to charities when he dies. [ ]
A.
leaves
B.
left
C.
will leave
D.
would leave
【单选题】_______ today, he would get there by Saturday. [ ]
A.
If he leaves
B.
Was he leaving
C.
Would he leave
D.
Were he to leave
【简答题】计算图中的电压U,分析各元件的功率状态,并讨论其功率平衡。
【单选题】______today, be would get there by Friday.
A.
Were he leave
B.
Was be leaving
C.
Were he to leave
D.
If he leaves
【单选题】民用建筑疏散楼梯的平台净宽度应当( c )。
A.
不小于楼梯段的净宽度
B.
不大于楼梯段的净宽度
C.
不小于楼梯段的净宽度且不小于1.10m
D.
等于楼梯段的净宽度
【单选题】______today, he would get there by Friday.
A.
Were he leave
B.
Was he leaving
C.
Were he to leave
D.
If he leaves
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