有3群小猫,每群3只。如果每只小猫吃2条鱼,一共需要多少条鱼?
3×3×2=18(条)
答:一共需要18条鱼。
Ann ______ here any more.She left last month.
A.won't work
B.doesn't work
C.hasn't worked
D.isn't working
10802单元反应温度大幅波动的现象、原因及处理?