制霉菌素、无霉唑和双氯苯咪唑药物皆用于抗（）。
A.病毒感染
B.只对革兰氏阴性菌
C.真菌
D.所有类型细菌
参考答案：C
物流系统是由物流各要素组成并使物流总体具有（）功能的综合体。
A.系统化
B.有序化
C.合理化
D.自动化
We ________ John's name on the race list yesterday but for his recent injury.[ ]
A. will put
B. will have put
C. would put
D. would have put
