Brian：Hi, Cindy.____

Cindy：Hi, Brian. It is nice to see you and so many old classmates.

Brian：So it is.____

Cindy：You're right.  It's really a long time.

Brian：Did you see the old photos on the wall?

Cindy：I sure did.____

Brian：But those are some great memories.

Cindy：Hey ！____

Brian：Yes, it is. I remember he used to stay up all night studying.

Cindy：____

Brian：Yes. He was the only one left in the class when he woke up.

Cindy：That was really funny.

A. And then he would fall asleep in class.

B. Long time no see!

C. Who took these photos?

D. Isn't that John over there?

E. We looked so funny in them.

F.I can't believe it's been ten years.

G. Did he use to be short ?

如图所示是一辆质量为1.2t的小汽车，以72km/h速度在一段平直公路匀速行驶了1h，油耗为6kg，它所受的阻力是车重的0.1倍（假设汽油完全燃烧，热值q=4.6×10⁷J/kg）．

Jane：Tom , a boy is in the classroom (教室) . Can you guess who he is?

Tom：OK. A boy? ____

Jane：Yes , he is very tall.

Tom：Does he have blond hair?

Jane：No, ____

Tom：Black hair? ____ 

Jane：That's right. He has a wide mouth.

Tom：____

Jane：Yes , he has big eyes and a big nose.

Tom： ____

Jane：Yes, you're right.

已知抛物线C：y²=2px（p＞0）