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【单选题】
美国权威调查机构经过科学的测试,认为广告效果( )来自于广告文案。A.
30%~50%
B.
50%~60%
C.
50%~75%
D.
60%~75%
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举一反三
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【单选题】There ____ a terrible accident then, ____ three passengers were killed and twenty were injured as well.
A.
was occurred; which
B.
was occurred; in which
C.
occurred; which
D.
occurred; in which
【简答题】根据中文写出英文 汤