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【单选题】
下列数值不符合实验情况的是 [ ]A.
对人体安全电压是不高于36V
B.
一名中学生正常一个月做作业消耗的电能约为5kW·h
C.
一般空调正常工作的电流约为2A
D.
光纤通信具有容量大、抗干扰力强、能耗小等特点
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举一反三
【单选题】My parents, my aunt and my uncle ______ sent me a gift on New Year's Day.
A.
each
B.
every
C.
either
【单选题】- A nice shirt! A present? - Yes, it is. My aunt ＿＿＿＿＿＿ it to me for my last birthday.
A.
was sending
B.
had sent
C.
will send
D.
sent
【单选题】My parents, my aunt and my uncle ______ gave me a present on my birthday.
A.
each
B.
every
C.
either
【单选题】--- Rose, will you go to the museum with me this afternoon? ---_____ . My aunt is coming to see me.
A.
Congratulations
B.
No problem.
C.
Sorry, I can’t
D.
Glad to hear that
【单选题】My aunt provided me________ the necessary money _______ my study. [ ]
A.
with; with
B.
for; for
C.
for; with
D.
with; for
【单选题】—Will you go to the museum with me this afternoon? —Sorry, _____. My aunt is coming to see me. [ ]
A.
I don't
B.
I can't
C.
I needn't
D.
I mustn't
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