【多选题】why are the sports and hobbies good for us?
A.
Because they can improve level of fitness and general health.
B.
Because they can develop our mind and brain.
C.
Because they make us stupid and lazy.
D.
Because they help us communicate with other people and make friends.
【判断题】应激是强烈的、短暂的、爆发性的情绪状态。( )
【简答题】1999年拍摄的( )改编自“沉香救母”的神话故事,是上海美术电影制片厂的又一部动画长片巨作。
【单选题】根据酸碱电子理论,下列物质中不可作为路易斯碱的是 。
【单选题】Why are the men in the photo wearing blue shirts?
A.
It's a beautiful color
B.
It's the color of their sports club
C.
They are Scotland's national football team and are wearing Scotland's colors.
【单选题】いろいろ さがした___見つからないんです。
【单选题】問( 5 ) いろいろ さがした___見つからないんです。
【单选题】NH4HSO,溶液中加入足量Ba(OH)2,溶液的离子方程式是()。
A.
H*+S03~+Ba'*+0H~=BaSO4↓+H.O
B.
NH4+H*+S0~+Ba*+20H=BaS0↓+2H0
C.
SO4 Ba'+= BaSO,↓H +0H~=H20