配平化学方程式一般采用()来确定系数。
A、最大公倍数法
B、公倍数法
C、最小公倍数法
D、公因数法
参考答案:C
—You ran into Mr. Li ! How did that happen?
—Well, ___of us was looking where we were going. We came around the corner at the same time.
A.neither
B.either
C.both
D.None
一般炖品料的组合是()。
A、姜件、葱条
B、火腿大方粒、瘦肉块、姜块、葱条、圆肉
C、姜件、葱条、火腿大方粒、枚肉大方粒
D、姜件、葱条、枚肉粒