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【单选题】
热电偶中产生热电势的条件( )A.
两热电极材料相同
B.
两热电极材料不同
C.
两热电极的两端温度不同
D.
两热电极的两端温度相同
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举一反三
【单选题】They have no idea at all___.
A.
where he has gone
B.
where did he go
C.
which place he has gone
D.
where has he gone
【单选题】He has courage all right, but in matters requiring judgment, he has often been found sadly ______.
A.
lack it
B.
absent
C.
in need of it
D.
wanting
【单选题】—He has never watched The Voice of China , ? —Yes, he has. It’s so hot all over China.
A.
has he
B.
hasn’t he
C.
did he
D.
didn’t he
【简答题】A．He has no experience at all. B．He has a charming personality. C．He is so lucky that he got the job. D．There were so many applicants.
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