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【单选题】
玻尔理论、量子力学理论都是对核外电子运动的描述方法,根据对它们的理解,下列叙述中正确的是( )A.
因为s轨道的形状是球形的，所以s电子做的是圆周运动
B.
3p x 、3p y 、3p z 的差异之处在于三者中电子(基态)的能量不同
C.
钒原子核外有4种形状的原子轨道
D.
原子轨道和电子云都是用来形象地描述电子运动状态的
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【单选题】---Do you think the Labor Bill will be passed? ---Oh, yes.It’s ___ that it will.
A.
sure
B.
surely
C.
likely
D.
certainly
【简答题】What is inventory? Do you think it is important to a company? and why?
【单选题】— ________________ — She is tall and she has big eyes.
A.
Where is she from?
B.
What’s her name?
C.
What does she look like?
D.
What does she have ?
【单选题】-Do you think that the labor bill will be passed? -Oh, yes. It's______that it will.
A.
almost surely
B.
very likely
C.
near positive
D.
quite certainly
【简答题】Baker Company manufactures backpacks. A heavy-duty strap is one part the company orders from an outside supplier. Information pertaining to the strap is as follows: Economic order quantity 4,200unti...
【单选题】Do you think a labor refers to a manual worker and a worker refer to a mental worker?
A.
Yes
B.
No
C.
I don't know
D.
Maybe
【单选题】“What’s her name?” “Sorry, I _____.”
A.
forget
B.
forgot
C.
had forgotten
D.
am forgetting
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