阅读理解。

     Look at the girl, she is eleven. Her name is Wang Fang. I am eleven, too. My name is Kate. Wang

Fang and I are good friends. She is in Class One, Grade One. She is Number 8 in Row 5. I am in

Class One, Grade One, I am Number 9 in Row 6. We are at school today.

阅读短文，然后根据短文内容回答问题。

1. How old is Wang Fang?

A. She is eleven.

B. She is twelve.

C. She is ten.

2. Wang Fang and I are ______.

A. girls

B. boys

C. teachers

3. What grade are Wang Fang and I in?

A. Grade One.

B. Grade Two.

C. Grade Three.

4. Wang Fang is my ______ .

A. good teacher

B. good friend

C. brother

5. Where are Wang Fang and I today?

A. At school.

B. At home.

C. Here.

（1）在图中作出：

①水桶M所受重力的示意图；

②以O为支点，力F的力臂L．

（2）如图所示，汽车陷入烂泥中，附近有一棵大树，车上有滑轮两只，绳子一根，如何用最小的力把汽车拉出来？在图中画出滑轮组绕法．