小莹从出生到20岁,卵巢的发育趋势符合下图中的( )
A:
B:
C:
D:
— I was listening carefully but I could not ________ everything he said. He spoke too many local idioms.
下列叙述中,哪一项与小肠的吸收功能无关( )
给加线字注音
恪 ____守 绰 ____号 确凿 ____ 倔 ____犟
When Robert was a small boy, he _______playing the piano.