将左边和右边的句子连成对话。
①Do you like giraffes?____ A. It's a snake.
②What's that?____ B. I hear tigers.
③What colour are the pandas?____ C. No, I don't.
④What do you hear? ____ D. They're black and white.
请用化学用语填空:
There are __________ books on the desk.
下列各句中,划线词的活用现象与其他三句不同的一项是( )
右图是一个几何体的三视图,则这个几何体是( ).