皮皮学,免费搜题
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搜题
【单选题】
酶提取制备过程中错误的操作是:
A.
超声波提取
B.
有机溶剂制备
C.
离子交换层析
D.
保持低温操作
E.
抽提过程加巯基乙醇
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【单选题】在C语言中,当while语句中的条件为( )时,结束该循环.
A.
0
B.
1
C.
TRUE
D.
非0
【单选题】以下不属于常见的网络传输介质有
A.
铜缆通信
B.
Wi-fi通信
C.
蓝牙技术
D.
路由器
【单选题】在C51语言中,当while语言中的条件为()时,结束循环。
A.
0
B.
false
C.
true
D.
非0
【单选题】在 C 语言中,当 d0-while 语句中的条件为()时,结束循环。
A.
0
B.
false
C.
true
D.
非 0
【判断题】在作业成本法下,依据成本与成本动因的关系,可以将成本划分为短期变动成本、长期变动成本、固定成本三类。()
A.
正确
B.
错误
【单选题】听力原文:W: Dr Manning, do you have a few minuets. I'd like to ask you about this fossil I found. M: Sure Jon. What have you got there? W: Well, it's some kind of shellfish. I thought is might be a brachi...
A.
Ways to determine the age ora fossil
B.
The identity of a fossil the woman found
C.
A comparison of two shellfish fossils
D.
Plans for a field trip to look for fossils
【简答题】短期平均变动成本曲线(AVC)
【单选题】听力原文:W: Dr Manning, do you have a few minutes? I'd like to ask you about this fossil I found. M: Sure. What have you got there? W: Well, it's some kind of shellfish. I thought it might be a brachiopod...
A.
Ways to determine the age of a fossil.
B.
The identity of a fossil the woman found.
C.
A comparison of two shellfish fossils.
D.
Plans for a field trip to look for fossils.
【单选题】在C语言中,当while中语句中的条件为( )时,结束该循环。
A.
0
B.
1
C.
true
D.
false
【单选题】在C语言中,当while语句中的条件为( )时,结束该循环。
A.
0
B.
1
C.
true
D.
非0
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