A:is determined to; work
B:is bent on; work
C:focuses on; work
D:is used to; work
The girl likes music. Look!She____ ____ to music.
已知10x=5,10y=6,求:
(1)102x+y;
(2)103x﹣2y.
将一定量的铁粉加入到一定量的硝酸银和硝酸镁的混合溶液中,待充分反应后过滤,向滤渣中加入稀硫酸,有气体产生,则在滤渣中()
请据图回答下列问题:(如图为处于三种生理状态的洋葱鳞片叶表皮细胞)