对腕管综合征诊断有意义的检查方法是
A．前臂伸肌腱牵拉试验
B．压头试验
C．屈腕压迫试验
D．握拳试验
E．搭肩试验
参考答案：C
Crazy English has over 20 million students all over China _____ the class through Internet.
A．attend
B．attended
C．attending
D．are attending
过敏性紫癜最常见的首发症状是( )
A．皮肤紫癜
B．发热
C．肾脏症状
D．关节炎
E．腹痛
