头痛常于晚间发生,于直立时可缓解的是()
A.偏头痛
B.丛集性头痛
C.青光眼
D.肌紧张性头痛
E.三叉神经痛
参考答案:B
I don't think the Internet will ever____books and newspapers. [ ]
A. take place
B. take the place of
C. take their place
D. take place of
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