⑴Here you are.____ A. Yes, I do.
⑵Is this your watch?____ B. It's a watch.
⑶What's it?____ C. Thank you.
⑷Do you like apples?____ D. No,it isn't.
一般高大的乔木,根吸收的水分要达到树冠的每一片叶;而促进水分运输的动力是( )
我国全方位对外开放格局的层次是( )
①沿海开放城市 ②经济特区 ③沿海经济开发区 ④内地