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【单选题】
一台额定频率为50Hz的三相感应电动机的转速为n=720r/min,该电机的级数和同步转速为( )。
A.
4极,1500r/min
B.
6极,1000r/min
C.
8极,750r/min
D.
10极, 600r/min
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【简答题】坚持()一起查,坚决防止党内形成利益集团。 A受贿行贿 B贪污受贿 C上上下下 D党内党外
【简答题】It happened __________ Lisa wasn't there at that time. A.whether B.if C.that D.why
【简答题】Lisa, why are you still here? School is over此题出自2015年辽宁营口中考英语真题及答案,2015年辽宁营口中考英语试题及答案 – Lisa, why are you still here? School is over. – I ______ my classroom yet, I need fif more minutes. A. don’t...
【单选题】变压器的二次电流增加时,变压器一次侧电流将怎样变化()
A.
减少
B.
不变
C.
根据变比相应增加
D.
增加
【单选题】变压器二次负载增加时,( )。
A.
一次侧电流保持不变
B.
一次侧电流减小
C.
一次侧电流增加
D.
变压器空载电流增加
【简答题】十九大报告指出,坚持______一起查,坚决防止党内形成利益集团。
【单选题】2) Why was Lisa embarrassed?
A.
Because she hadn't been to England yet.
B.
Because she hadn't watched any British movies.
C.
Because she didn't want to see people play around.
D.
Because she didn't like to speak with a British accent.
【单选题】Why was Lisa embarrassed?
A.
Because she hadn’t been to England yet.
B.
Because she hadn’t watched any British movies.
C.
Because she didn't want to see people play around.
D.
Because she didn't like to speak with a British accent.
【简答题】变压器二次侧电流增加时,一次测电流()。
【单选题】Lisa: Did you watch television last night? Helen: ______ Lisa: Why is that? Helen: There are only a few programs that I found interesting enough to watch. Lisa: I bet you'll miss quite a lot fun.
A.
Yes, I love watching TV.
B.
Yeah, I'm crazy about the sitcom Friends.
C.
No, I seldom watch TV.
D.
Well, I just can't stand the ads.
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