板蓝根可用于治疗（）。
A.外感发热
B.瘟毒发斑
C.咽喉肿痛
D.痄腮
E.丹毒
参考答案：A, B, C, D, E
瞳孔的直接对光反射是指当光线刺激一侧瞳孔时（）
A．双侧瞳孔散大
B．该侧瞳孔散大
C．该侧瞳孔缩小
D．对侧瞳孔散大
E．对侧瞳孔缩小
-Did you go to school on foot when you were a boy?
-____. [ ]
A. Yes,I did
B. Yes,I am
C. Yes,I didn't
D. Yes,I do
