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【单选题】
钠泵的本质是A.
ATP酶
B.
ADP酶
C.
离子通道
D.
离子泵
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反馈参考答案：
举一反三
【单选题】断电延时型时间继电器的常开延时触点，按照其动作和复位情况可理解为（ ）。
A.
延时闭合、瞬时断开的动断触点
B.
瞬时闭合、延时断开的动断触点
C.
瞬时闭合、延时断开的动合触点
D.
延时闭合、瞬时断开的动合触点
【单选题】Choose the informal expression.
A.
Would you mind calling me at 4p.m.?
B.
I wonder if you wouldn't mind giving me a call at 4p.m.?
C.
Would it be possible to call me at 4p.m.?
D.
Give me a ring at 4p.m.
【单选题】听力原文：M: Erm...you left an informal report with Sergeant Dawkins. There's just a couple of things I'd like to check on. Could you describe the girl to me in a bit more detail, please? W: Yes. She was d...
A.
A policeman is interviewing a witness.
B.
A police sergeant is interrogating a culprit.
C.
They are having a discussion about a criminal case.
D.
They are holding a court investigation of a crime.
【单选题】听力原文：M: As Americana, we tend to be much more casual and informal when we meet people. Our natural inclination to be familiar can put some people on edge. Germans and Japanese, for example, are very u...
B.
Respect a sense of order with Germans.
C.
Open gifts in front of your counterpart.
D.
Be punctual with Germans.
E.
Keep both of your wrists above the table for the whole meal in Europe.
F.
Refer to Japanese as 'Orientals'.
G.
Kep more distance when talking with Asians.
H.
Add
【单选题】1945 年 8 月 25 日,中共中央在对时局的宣言中明确提出的口号是
A.
反饥饿、反内战
B.
抗战、团结、进步
C.
打倒蒋介石,解放全中国
D.
和平、民主、团结
【单选题】In America ( ) is the collective informal term for addressing a group of friends.
A.
mates
B.
girls
C.
boys
D.
guys
【单选题】_____ economy is an economy in which companies compete actively with businesses from around the world. A) Closed B) Global C) Informal D) Autarky E) M icro
A.
a
B.
b
C.
c
D.
d
E.
e
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