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【单选题】
抗原分子中决定抗原特异性的特殊化学基团称为A.
抗原识别受体
B.
抗原决定簇
C.
抗原结合价
D.
活性基团
E.
独特型决定基
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反馈参考答案：
举一反三
【简答题】文化の違い( )よって起こる誤解が多いです。
【单选题】– Excuse me? – ______ – How can I get to the nearest bank?
A.
Yes?
B.
That’s OK.
C.
What’s wrong?
【单选题】–Excuse me, Jack. What’s this in English? –It’s _______ eraser.
A.
a
B.
an
C.
the
D.
/
【单选题】– Excuse me, could you tell me ________ for Hong Kong? – The day after tomorrow.
A.
when did you leave
B.
when you are leaving
C.
where you are going
【单选题】–Excuse me, sir. I’m writing a research paper on Chinese cultur
A.
Do you mind a few questions? --_____________
B.
Certainly
C.
No, of course not
D.
By all means
E.
Yes, please
【单选题】–Excuse me, I get back my umbrella, madam? –I’m really sorry. I thought it was mine.
A.
must
B.
should
C.
may
D.
need
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