比43的5倍少69的数是( )。
146
This classroom looks ______________ than other classrooms. [ ]
A. more brighter
B. very brighter
C. much brighter
D. much more brighter
加压蒸汽灭菌法的温度和时间是()。
A.121~123℃,15~30分钟
B.121~123℃,30~60分钟
C.105℃,30分钟
D.125℃,3分钟
E.160~170℃,2小时