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【单选题】
假定商品 x和商品y的需求交叉弹性是—2,则( )A.
x 和y是互补品
B.
x 和y是替代品
C.
x 和y是独立品
D.
x和y是正常商品
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举一反三
【简答题】At first, the speaker was referring to the problem of pollution in the country, but halfway in her speech, she suddenly _________ to another subject. A) committed B) switched C) favore...
【单选题】The director thought I was referring to her, in fact, I was referring to the men on duty.
A.
when
B.
where
C.
which
D.
while
【单选题】It is requested that the reporter ____ to blame for the wrong report.
A.
referring to
B.
referring to as
C.
referred to be
D.
referred to being
【简答题】At first, the speaker was referring to the problem of pollution in the country, but halfway in her speech, she suddenly _________ to another subject. A) committed B) switched C) favoured D) transmitte...
【单选题】It is requested that the reporter _______ to blame for the wrong report.
A.
referring to
B.
referring to be
C.
referred to be
D.
referred to being
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