皮皮学，免费搜题
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搜题
【单选题】
减小输电线路有功损耗可通过（）。A.
增大线路有功功率
B.
增大线路无功功率
C.
增大线路两端电压
D.
增大输电线路电阻
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】游客提出住更高标准的房间时,导游员的正确做法是( )。
A.
告知游客超标，不能满足
B.
如有房间，可予以满足，但游客要交付退房损失费和房费差价
C.
婉言拒绝
D.
请全陪报告组团社，由组团社决定
【单选题】In the preface ______the book, the writer thanked all the people who had helped him.
A.
of
B.
for
C.
in
D.
to
【单选题】This is _______ important book. It helped me a lot in ________ old days.
A.
a; an
B.
an; the
C.
the; an
D.
/; the
【单选题】The book has helped me greatly in my daily communication, especially at work ________ a good impression is a must.
A.
which
B.
when
C.
as
D.
where
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