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【判断题】
出去做其他事情的时候，可以将手机、笔记本电脑等放在教室充电。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】—She hasn’t watched the movie “So Young”, has she? —__________. She told me it’s very moving and interesting, she’d like to watch it again
A.
Yes, she has
B.
Yes, she hasn’t
C.
No, she hasn’t
D.
No, she has
【单选题】Although she is ____, she is kept so busy with her work for women's rights that she feels anything but ____. [ ]
A.
alone; alone
B.
lonely; lonely
C.
lonely; alone
D.
alone; lonely
【单选题】01mol/L NaH2PO4溶液的pH值为(Ka1=7.6×10-3,Ka2=6.3×10-8,Ka3 =4.4×10-13) ( )。
A.
4.66
B.
9.78
C.
6.68
D.
4.10
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