It is not far _____ his home. [ ]
A. to
B. from
C. with
D. and
答案:B
灭菌是指()
A.杀灭细菌
B.杀灭病原微生物
C.杀灭有害微手物
D.杀灭一切活的微生物
E.杀灭芽孢类微生物
8管普通CNG槽车按照水容积计算是18个水立方,以充装至20MPa计算,在环境温度允许的条件下,可运输()Nm3天然气
A.3000
B.4500
C.2000
D.6000