— Yes. But now I'm used to __________ in the swimming pool.
A:swimming; swim
B:swim; swimming
C:swim; swim
D:swimming; swimming
填空(横线上填用途)
①水上救护机____
②水上战斗机____
③水上灭火机____
④水上运输机____
⑤水上捕鱼机____
下列常见的物态变化现象中,属于汽化的是( )
给下面句中的划线字选择正确的读音。
京口瓜洲一水间____(A.jiān B.jiàn),钟山只隔数____(A.shù B.shǔ)重____(A.zhòng B.chóng)山。