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【判断题】
自动补片不能完成的开口面修补,可以采用直纹面或其他方法完成后,就可以直接作为分型面的一部分,无需任何处理。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】I’m glad___________.
A.
hear from you
B.
to hear from you
C.
hear a letter from you
D.
to hear a letter from you
【简答题】计算二重积分 ,其中D是半圆形闭区域 .
【单选题】A:Ok. Another idea is not to eat too much before the exam. B: Oh, really? A: Mm, when I eat a lot, I get sleepy. B: Oh, I see. ____________. Because if you don't eat enough, you start to feel hungry ...
A.
You're absolutely right.
B.
I think it depends.
C.
I think this is really a good idea.
D.
I agree with this one.
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