紧张性头痛的临床特点包括()
A.成年男性多见
B.多有恶心、呕吐
C.多有失眠、焦虑或抑郁症状
D.多为一侧性头痛
E.颈部或肩背部肌肉僵硬感
参考答案:C, E
It’s ________ hard for us ________ understand what he said.
A.to; too
B.too; to
C.to; to
D.too; too
上贝氏体和下贝氏体的浮突特征是相同的。()