从方框中给下列句子选出正确的应答语。

A. A ship.  

B. Here y'ou are.  

C.  Igo swimming.  

D. No, I haven't.

E. By bike.  

F. Apresent for you.  

G. She's your sister.

( )1. How do you go to school?

(     )2. What's yourfavourite toy?

(     )3. Have you got a bike?

(     )4. What's this?

(     )5. Pass me the rice.

(     )6. What do you do in summer?

(     )7. Who's that girl?

学习“圆的直径是它的半径的两倍”是______学习。