皮皮学，免费搜题
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【判断题】
在级进模中,根据零件的规律对排样的要求,需要弯曲、拉深、翻边等工序的冲压件,位于过程变形部位上的,应安排在工位之前冲出。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】请看代码，并回答：下列选项中，谁是分组键？tips['tip'].groupby(tips['sex'])
A.
tips['tip']
B.
tip
C.
tips['sex']
D.
sex
【简答题】Students will discover their ______ in tests.
【单选题】Will the bartender get tips from the man
A.
She will get at least 8 dollars.
B.
She will get 10 dollars for the tips.
C.
She will get no tips at all.
D.
The tips will be based on her service.
【单选题】Discover the tips and find the inspiration to make your next holiday ____ memorable.
A.
no more
B.
better
C.
even so
D.
ever more
【单选题】_______ you ask successful students around you, you will discover more tips.
A.
Will
B.
Were
C.
Should
D.
Had
【简答题】The Curise succeeded to discover Polonium in 1898.
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