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【单选题】
应激时-交感-肾上腺髓质系统的外效应是A.
引起紧张、焦虑等情绪反应
B.
肾上腺皮质激素释放激素释放
C.
促肾上腺皮质激素释放
D.
血浆儿茶酚胺浓度迅速升高
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反馈参考答案：
举一反三
【简答题】画出图T3.2-1所示电路的输出波形Y 1 ～Y 8 。
【单选题】–Hello, I’d like to speak to Mr. Wang. He’s out to lunch now.
A.
Sorry, you can’t
B.
I do not know.
C.
You can’t.
D.
. Would you mind calling back later?
【单选题】Hello, Mr. Wang. There is Mr. Smith waiting for you at the school gate.
A.
the
B.
/
C.
a
D.
an
【单选题】－Hello, Mr. Wang. Must we wear the school uniform tomorrow?－You ___________. Only on Mondays. To
A.
26. －Hello, Mr. Wang. Must we wear the school uniform tomorrow? －You ___________. Only on Mondays. Tomorrow is Tuesday. A．don’t have to
B.
mustn’t
C.
have to
D.
Must
【简答题】Hello, Mr. Wang. How many ________ (child) do you have? I have one ________ (child).
【简答题】– Hello, I’d like to speak to Mr. Wang. – He’s out tolunch now.A. Sorry, you can’t B. I do notknow. C. You can’t. D. Would you mind calling back later?
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