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【单选题】
I bought a new dictionary and it me 30 yuan. [     ]
A.
paid
B.
spent
C.
took
D.
cost
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参考答案:
举一反三
【单选题】If you are interested, we will send you a sample lot charge.
A.
within
B.
for
C.
with
D.
free of
【单选题】有一根电阻值为l0Ω的电阻丝,将它均匀的拉长为原来的3倍,拉长后的电阻值为( )Ω。
A.
10
B.
30
C.
60
D.
90
【单选题】-Hello. May I speak to Nancy? -____. [     ]
A.
Yes, speaking
B.
Yes, I'm Nancy
C.
No
D.
No, you don't
【单选题】有一根电阻值为10Ω的电阻丝,将它均匀的拉长为原来的3倍,拉长后的电阻值为( )Ω。
A.
10
B.
30
C.
60
D.
90
【判断题】如交流电动机在正常工作时采用 Y接线,那么就可采用 Y-△起动
A.
正确
B.
错误
【单选题】有一根电阻值为10fl的电阻丝,将它均匀的拉长为原来的3倍,拉长后的电阻值为 ( )Ω。
A.
10
B.
30
C.
60
D.
90
【单选题】Nancy: Hello. I’d like to speak to Dr. Heckler. Lucy: ________________.
A.
Here you are.
B.
Do you want to leave a message?
C.
Nobody here by that name.
D.
What can I do for you?
【单选题】If you are interested,we will send you a sample lot charge.
A.
within
B.
for
C.
free of
D.
with
【简答题】阅读理解。 A: Hello. Who's that speaking? B: Hello.  This is David. May I speak to Nancy, please? A: I'm sorry. She is ill. She has got a high fever. B: I'm sorry to hear that. Did she go to see a doctor? ...
【单选题】有一根10Ω的电阻丝,将它均匀拉长为原来的2倍,拉长后电阻丝的阻值为( )Ω
A.
10
B.
40
C.
80
D.
160
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