—I hope that what we have said will not fall on deaf ears.
— Don’t worry. It’s good for their study. They will follow it.
下列关于生物的生殖和发育的说法中正确的是( )
如果你想问对方是不是John,可以说:
要改变电磁感应中感应电流的方向,以下方法正确的是( )