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问题 单项选择题

上例患者发病数月后，出现左侧乳中可及一个结块，边界不清楚，质硬，推之可动，皮色无明显改变，无明显疼痛，考虑：

A．乳岩

B．乳核

C．乳癖

D．乳痨

E．乳痈

答案

参考答案：D

选择题

Why is winter your favourite season?  _________ I like to skate.[ ]

A. But                

B. So                                

C. Because
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选择题
— Is there any better way to help my son get rid of the habit of playing computer games?
— To tell you the truth, it's very hard. But we _____ on this problem to improve the situation.

A. were working
B. had worked
C. are working
D. had been working
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