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【单选题】
The background music as mentioned in the conversation isA.
such music as is played in concerts.
B.
the music that is played only in restaurants and stores.
C.
the music that is played to promote production.
D.
the music that is played in the background to put listeners in a particular mood.
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举一反三
【单选题】Which of the following is not Daodi medicinal material?
A.
Geo-authentic medicinal material
B.
Genuine medicinal material
C.
Authentic medicinal material
D.
Counterfeit medicinal material
【单选题】普通图书的逾期费用是()元 / 天,新书和外文书的逾期费用是()元 / 天?
A.
0.1 ； 0.1
B.
0.2 ； 0.1
C.
0.1 ； 0.2
D.
0.2 ； 0.2
参考解析：
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