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搜题
【单选题】
已知a＞b＞0，则有（ ）A.
a+b＞1
B.
ab＞1
C.
a b ＞1
D.
a-b＞1
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举一反三
【单选题】Being engaged in the research work, Dr. Yang seldom goes anywhere ( ) his office.
A.
in place of
B.
in addition to
C.
except to
D.
instead of
【单选题】Being engaged in the research work, Dr. Yang seldom goes anywhere ( ) his office.
A.
except to
B.
in place of
C.
in addition to
D.
instead of
【单选题】Being engaged in the research wirk, Dr. Yang seldom goes anywhere ( ) his office.
A.
in place of
B.
expect to
C.
in addition to
D.
instead of