A:she said nothing
B:nothing was said by him
C:Tom nodded his head
D:they shook their head
一只小鸟2条腿,5只小鸟____条腿,列式____。
以下诗文或谚语与所蕴含的科学知识不对应的是( )
日常生活中人们常喝纯净水,市场出售的纯净水有一些是蒸馏水,对于这一类纯净水的说法,正确的是( )
欧____ 瑞____ 途____ 跋____ 濒____
鸥____ 端____ 徐____ 拔____ 频____