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【单选题】
关于膈的描述正确的是A.
收缩时，膈穹上升，助
B.
收缩时，膈穹下降，助吸气
C.
舒，膈穹下降，助
D.
舒，膈穹上升，助吸气
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反馈参考答案：
举一反三
【单选题】Sorry Mr. Green is not in. Could I take a message for him?
A.
Yes, you can.
B.
Never mind.
C.
Don't mention it.
D.
Yes, thank you.
【单选题】需进入已抽空的油舱柜时,应 I停止主副机运行;II停止该油舱附近明火作业;III提前打开道门进行通风;IV关闭与该舱有关的油、气阀;V、至少两人配合工作。
A.
I+III+IV
B.
II+Ill+IV
C.
Ⅱ+Ⅲ+IV+Ⅴ
【单选题】Sorry, Mr. Green is not in. Could I take a message for him?
A.
Never mind.
B.
Don’t mention it.
C.
Yes, thank you.
D.
Yes, you can.
【简答题】Caller: . Secretary: I’m afraid Mr.Green is not here at the moment. ? Caller: No, I must speak to Mr.Green. Secretary: ? Caller: I’m catching a plane in an hour . Secretary: ? Caller: Yes, that seems ...
【简答题】听对话回答问题。 1. Can Mr. Green run fast? A. Of course not. B. Yes, he can. C. No, he can't. 2. What is Zhang Mei's favourite sport? A. Yoga. B. Swimming. C. Running.
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