皮皮学，免费搜题
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【单选题】
交流异步电动机的调速方法有变极、变频和( )等 三种。A.
变功率
B.
变电流
C.
变转差率
D.
变转矩
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】—Mom, I’ll go to my friend’s party, but I don’t know what to wear. Could you make a ____ for me? —OK. Let me see.
A.
condition
B.
experience
C.
direction
D.
decision
【单选题】— I don’t know what to wear at the party. — If I you, I would wear a shirt and a tie.
A.
am
B.
is
C.
were
D.
was
【单选题】---I argued with my best friend yesterday and I don’t know what to do now. ---Maybe you _______ say sorry to her.
A.
must
B.
should
C.
need
D.
may
【单选题】— Mom, I’ll go to my friend’s party, but I don’t know what to wear. Could you make a(n) for me? —OK. Let me see.
A.
experience
B.
advice
C.
decision
【单选题】常规十二导心电图的导联有哪些
A.
Ⅰ、Ⅱ、Ⅲ 、V1-V3 V7-V9
B.
Ⅰ、Ⅱ、Ⅲ 、V3R-V5R、V1-V6
C.
Ⅰ、Ⅱ、Ⅲ 、avR、avL、avF、V1-V6
D.
avR、avL、avF 、V1-V6、V1-V6
【单选题】—Mom, I’ll go to my friend’s party, but I don’t know what to wear. Could you make a ____ for me? —OK. Let me see.
A.
advice
B.
sense
C.
suggestion
D.
decision
【单选题】I want your ______, sir. I don’t know what to do with it.
A.
advices
B.
piece of advices
C.
advice
D.
two advices
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