指出不属于风赤疮痍的病因：（）
A.药物过敏
B.营养不良
C.屈光不正
D.结膜炎
E.慢性泪囊炎
参考答案：C
. Who do you think will ______ the company if the manager retired?
A．take over
B．take off
C．take in
D．take on
回次进尺
