时钟指示2点15分，此时的时针和分针所构成的锐角是（ ）度（ ）分（ ）秒。
22；30；0
Where is the snake? [ ]
A. It's on the hat.
B. It's behind the hat.
C. It's near the hat.
新生儿的生理性黄疸，一般出现在出生后（）
A.2～3天
B.4～5天
C.6～7天
D.8～9天
[ ]