井口、井底安全门与提升信号没有必要闭锁。
参考答案:错
All the students are looking forward to the first________to take the College Entrance Examinations. [ ]
A. measure
B. attempt
C. purpose
D. desire
患者,女,25岁,已婚。产后恶露量少,少腹阵痛拒按,气粗喘促,不省人事,两手握拳,牙关紧闭,唇舌色紫,脉涩。其证候是
A.气滞血瘀
B.肝郁气闭
C.血热瘀闭
D.血瘀气闭
E.肝风内动