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【单选题】
听力原文：If you can't do better in this course, I'm afraid you will have to drop it. In which case will you have to drop the course?A.
If you are constantly absent.
B.
If you cannot improve your performance in this course.
C.
If you don't spend enough time on the course.
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A.
①②③
B.
②③④
C.
①③④
D.
①②④
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【单选题】The reason that it is easier to describe one's personality in words than one's face is that ______.
A.
many words are available to describe personality
B.
a person's personality is easily distinguished
C.
people's personalities are very much alike
D.
a person's face is more complex than his personality
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