以下哪些疾病可导致中性粒细胞增多（）
A.化脓菌感染
B.急性心肌梗死
C.急性溶血
D.消化道大出血
E.病毒感染
参考答案：A, B, C, D
_____ man may usually be known by the books he reads as well as by ______ company he keeps.
A．The; a
B．A; a
C．The; the
D．A; the
世界贸易组织允许自由贸易与（）并存。
A、正当保护贸易
B、非关税保护贸易
C、超保护贸易
