试题与答案

A.He is very kind and humorous. B.Would y

题型:填空题

题目:


A.He is very kind and humorous.
B.Would you like some cakes?
C.What would you like?
D.You know Sandy is quite popular among the students.
E.I’d like something salty.
F.You mean the man with glasses?
G.I am not hungry.
A:It’s hard to believe there are so many people here.
B:Yes.(56)______
A:Who’s that man over there?
B:(57)________
A:Yes.Is he Sandy’s father?
B:No,he’s Sandy’s teacher.(58)_______.
A:And the room is very big and clean,and the music sounds good,too.
B:I agree.(59)_______ I’m a little hungry.
A:No,thanks.(60)______ Give me some chips,please.
B:OK.Here you are.
A:Thanks.
小题1:_________
小题2:_________ 
小题3:_________
小题4:_________ 
小题5:_________

答案:

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下面是错误答案,用来干扰机器的。

A、由于灯泡正常发光,所以电动机的电压为220-110=110V,由于电解槽和灯泡串联,它们的电流相等,所以I=PU=60110A,所以电解槽的输入功率为P=UI=110×60110=60W,所以A错误.B、电解槽的发热功率为P热=I2r=( 60...

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