题目内容

听力原文:M:Why is Susan looking upset?
W:I had her play piano instead of going out to play.
Q:Why is Susan looking unhappy?
(3)

A. Because her mother blamed her for not playing piano.
Because she was not allowed to play piano.
C. Because she had to play piano instead of going out to play.
D. Because she was forced to go out.

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A.She took the class last semester.B.She read about it in the school newspaper.C.She h

A. She took the class last semester.
B. She read about it in the school newspaper.
C. She heard about it on the school radio station.
D. Her roommate took the course last semester.

骨折延迟愈合可发生在

磷酸化时丧失活性

局限于粘膜或粘膜下层的胃癌E.

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