A:1
B:2
C:3
D:4
【加试题】下列说法正确的是( )
(____) It's a programme about China.
(____) We've got lots of food.
(____) Thank you for talking to us.
(____) She couldn't read or write.
(____) He didn't have any legs then.
如图表示人体胸廓容积的变化,到b点时,肺泡内,呼吸道,外界气压的关系是( )
如图是研究光合作用和呼吸作用的实验装置,根据相关知识回答问题.
预警 余晖 滑翔 俯冲 畏罪潜逃 居为己有 狐苦伶仃
园润 禁固 冤枉 篷松 大相径廷 神采奕奕 怪诞不径
错别字
____
改正