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【判断题】
两种抗原含有共同抗原决定簇,可发生交叉反应A.
正确
B.
错误
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A.
Diligence and luck.
B.
A good manager and luck.
C.
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D.
A good manager and diligence.
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A.
directors
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C.
stars
【单选题】听力原文： The entertainment profession, or' show business', attracts many young people. Unfortunately, only very few can hope to become famous and prosperous. (32) Talent is not enough, because show busin...
A.
Diligence and luck.
B.
A good manager and luck.
C.
Diligence and money.
D.
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