A:anyone
B:whomever
C:whoever
D:no matter who
如图为生活污水处理的一种装置.以下叙述正确的是( )
– It’s autumn. What do you need? – I need blouse and trousers.
洗青菜时,冷水没有变成绿色;把青菜煮沸后,水就变成了的绿色.关键是煮沸后破坏了( )