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【简答题】
在梯子上工作时，梯与地面的斜角度为( )°左右。工作人员必须登在距梯顶不少于1m的梯蹬上工作。 A:60 B:55 C:50 D:40
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举一反三
【单选题】低钾血症对心肌生理特性的影响是
A.
使兴奋性升高.传导性升高.自律性升高.收缩性升高
B.
使兴奋性升高.传导性降低.自律性升高.收缩性升高
C.
使兴奋性降低.传导性降低.自律性降低.收缩性降低
D.
使兴奋性降低.传导性升高.自律性降低.收缩性升高
E.
使兴奋性升高.传导性降低.自律性升高.收缩性降低
【单选题】低钾血症对心肌生理特性的影响是
A.
兴奋性升高、传导性升高、自律性升高、收缩性升高
B.
兴奋性升高、传导性降低、自律性升高、收缩性升高
C.
兴奋性降低、传导性降低、自律性降低、收缩性降低
D.
兴奋性降低、传导性升高、自律性降低、收缩性升高
E.
兴奋性升高、传导性降低、自律性升高、收缩性降低
【单选题】---Did Mrs. King leave a message?
A.
-Yes. She wanted to know_____ this Sunday.
B.
who you would go shopping
C.
if you would go shopping with her
D.
that you will go shopping
E.
when will you go shopping with her
【单选题】听力原文：M: Well, Mrs. King, how did you do on your driving test? W: Not so well, I'm afraid. M: Didn't you get your license? W: No. My score was only 57 percents. The woman who tested me was very strict ...
A.
She failed.
B.
She barely passed.
C.
She passed easily.
D.
She wouldn't say.
【单选题】低钾血症对心肌生理特性的影响
A.
兴奋性升高、传导性升高、自律性升高、收缩性升高
B.
兴奋性升高、传导性降低、自律性升高、收缩性升高
C.
兴奋性降低、传导性降低、自律性降低、收缩性降低
D.
兴奋性降低、传导性升高、自律性降低、收缩性升高
E.
兴奋性升高、传导性降低、自律性升高、收缩性降低
【单选题】---- Did Mrs. King leave a message? ---- Yes, she wanted to know_______ this Sunday.
A.
who you would go shopping
B.
that you will go shopping
C.
when will you go shopping with her
D.
if you would go shopping with her
【简答题】完形填空。 Mr and Mrs. King don't often go out in the evening. But today Mrs. King says 1 her husband, 'There is a good 2 at the cinema this evening. 3 we go and see it?' Mr. King is happy about it. 4 they...
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