一个圆柱形木料，如果截成两个小圆柱体，它的表面积增加6.28平方厘米，如果沿着直

Read and choose. (读下面的短文，选择正确答案)     

     Bill was a little boy. He was nine years old. And he was in Class Two, Grade Three.  He always

got home on time in the afternoons when school was over. His parents loved him very much.

     But one day, he was late for home. When he got home, his face and hands were very dirty. His

mother was not happy. She asked Bill, "Why are you so dirty?" Bill answered, "Played basketball.

We Class Two had a basketball match with Class One this afternoon."

     "Were you on the playground?"his mother asked. "You are so little." "But I was on it." Bill

answered. "Did you throw the ball?" his mother asked again. "Yes, I did." Bill said. "I threw the ball

after the match was over."

1. Bill was ____ years old.          

A. 6      

B. 7        

C. 9

2. Bill always ____ on time.          

A. went back home    

B. went to school   

C. got to his classroom

3. How did his mother feel when Bill got dirty?           

A. She was bored        

B. She was not happy.

C. She was not angry.

4. Was Bill on the playground when the match was holding?

A. Yes, he was.      

B. No, he wasn't      

C. No, he isn't.

5. 一Why was Bill late for home that day?

    一Because he _____.

A. helped his classmates      

B. had a basketball match

C. watched a basketball match

不需要事先建立就可以使用的变量是

A．公共变量

B．私有变量

C．局部变量

D．数组变量

挪用客户交易结算资金在公司注册资本10%以内的证券公司可以申请设立证券服务部。( )

患者计划在餐后行快步行走半小时，餐前应把胰岛素注射在下列哪一部位最佳

A．臀部

B．腹部

C．上臂三角肌

D．大腿外侧

E．大腿内侧

产品标识方法由（）选择。

A、检验人员

B、工艺人员

C、设计人员

D、用户代表