.Many a student ______ the importance of

根据下面对话中的情景，在每个空白处填入一个适当的语句，使对话恢复完整。

( J=John  L=" Li" Lei)

J: Hello,Li Lei!

L: Hi, John. Can you come and play football with us on Sunday morning?

J: Sorry, I can’t.____ 小题1:___________________.

L: A piano lesson? Well, how about afternoon?

J: ___小题2:________ . You know, he has a farm in the village. He asked me to help him.

L: Go to the farm? That sounds great.___小题3:________?

J: Certainly. That’s very good. Uncle must be very happy to see you.

L: _小题4:_____________?

J: Nothing. But you have to put on your old clothes.

L: OK. ___小题5:__________?

J: Let’s meet at my house at 2:30 pm.

L: OK. See you.

约翰格雷大师的终极人生目标是什么（）？

A、成为世界上最畅销的作者

B、成为世界上最富有的人

C、子孙满堂

D、拥有世界上最美丽的房子

通过非工作帮最上一个台阶的坡顶线和最下一个台阶的坡底线所作的假想斜面叫露天采场的非工作帮面。

（）是指各类烟草制品真伪鉴定

A.书证鉴定

B.物证鉴定

C.会计鉴定

D.发票鉴定