F型外墙保温系统沿窗洞口四周每边至少应设置（）个锚固点。
A.1
B.2
C.3
D.4
参考答案：C
She is the only one of the students _______ able to answer this question.
A．who is
B．who are
C．that is
D．that are
下列哪类病人不宜做头部核磁共振成像（MRI）检查（）
A.脑出血的病人
B.人工耳蜗植入的病人
C.脑外伤的病人
D.放疗期间的病人
E.癫痫病史的病人
