皮皮学,免费搜题
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【单选题】
精车精度要求高的螺纹时,一般选用()车刀。
A.
工具钢
B.
合金钢
C.
硬质合金
D.
高速钢
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皮皮学刷刷变学霸
举一反三
【单选题】For a circuit containing N nodes and M branches, there will be independent voltages.
A.
N
B.
N -1
C.
M - N -1
D.
N -2
【多选题】对于普通感冒发烧,下列哪类人群应遵守医嘱使用退烧药?( )
A.
婴幼儿
B.
老人
C.
发热耐受差的人群
D.
青年男性
E.
青年女性
【简答题】首次提出生态学定义的科学家是()
【单选题】胶囊剂不需要检查的项目是( )
A.
装量差异
B.
崩解时限
C.
硬度
D.
水分
E.
含量均匀度
【单选题】听力原文:M: Hurry, there is a bus coming. W: Why run? There will be another one in two or three minutes. Q: What does the woman mean? (14)
A.
The next bus is coming soon.
B.
The bus will wait a few minutes at the stop.
C.
There are only two or three passengers waiting for the bus.
D.
They can catch this bus without running.
【简答题】All the same, if there be not the intention, there is at least the accident, of style, which, if one looks at it at a friendly way, appears to proceed 【M1】 ______. to three sources. One of these is si...
【单选题】生态学的定义是由哪位科学家在哪一年首次提出的?
A.
J.E.B Warming 瓦尔明  1895年
B.
Ernst Haechel 恩斯特·赫克尔  1866年
C.
Alexander von Humboldt 亚历山大·冯·洪堡  1807年
D.
Charles Darwin 查理·达尔文  1859年
【单选题】胶囊剂不需要检查的项目是( )
A.
装量差异
B.
溶出度
C.
硬度
D.
水分
【简答题】There will be indeed unpredictable s; however, people believe that at least, robots must meet the rigorous safety standards that cover______.
【单选题】听力原文:W: I've just heard there are going to be showers on and-off all weekend. M: There goes the picnic. Q: What does the man mean? (17)
A.
The picnic will probably be cancelled.
B.
He's glad that the picnic is in this weekend.
C.
It's not going to rain.
D.
He knows where to hold picnic.
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