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【单选题】
变压器油在变压器内主要起（）作用。A.
冷却和绝缘
B.
消弧
C.
润滑。
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举一反三
【单选题】How did Elizabeth answer Lionel when he asked where was Mr. Johnson?
A.
she said he did not know here
B.
she said she did not know
C.
she said she did not know where he was
D.
she said he did not know her coming here
【单选题】Mr. Wang didn't tell us ______ in 2006. [ ]
A.
where he live
B.
where he lives
C.
where did he live
D.
where he lived
【单选题】Where did Mr. Porter read the article of Mr. Jefferson, the CEO of Walters Corporation?
A.
World Star Newspaper
B.
A book published by the Walters Company
C.
A magazine named the Economic Review
D.
George Commercial Group
【单选题】Mr. Wang didn't tell us _______ ten years ago. [ ]
A.
where he worked
B.
where did he work
C.
where he works
D.
where does he work
【单选题】Mr. Smith didn’t tell us .
A.
where does he live
B.
where he lived
C.
where did he live
【单选题】---I can’t find Mr. Smith .Where did you meet him this morning ? ---It was in the hotel ______he stayed .
A.
that
B.
which
C.
the one
D.
where
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