在0~60℃温度条件下放置2小时以上的熟制具有潜在危害的食品应()。
A.允许供应
B.允许再加热后供应
C.确认未变质前提下允许再加热后供应
D.冷藏后允许供应
参考答案:C
Playing a sport is _____ more than feeling tired. There are _____ effects that you feel after you play it. [ ]
A. few; some
B. less; many
C. little; a lot of
D. much; many
以下程序的输出结果是( )。 #include<iostream.h> voidmain( ) { charx=040; cout<<(x<<1);}
A.100
B.80
C.64
D.32