紧张性头痛的发病机制与下列有关的为()
A.精神高度紧张
B.头颈部肌肉收缩或缺血
C.遗传因素
D.内分泌与代谢因素
E.饮食不调
参考答案:B
---Terra, you shouldn’t be so ___________. You always leave your things here and there.
---Sorry, mom. I’ll put them away soon.
A.terrified
B.cheerful
C.careless
D.frightened
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