设有供应商关系S和零件关系P，它们的主码分别是“供应商号”和“零件号”，而且，零件关系P的属性“颜色”只能取值为(红，白，蓝)。 S P 供应商号 供应商名 所在城市 零件号 颜色 供应商号 B01红星 北京010红B01 S10宇宙 上海201蓝T20 T20黎明 天津312白S10 Z01立新 重庆 以下操作不能正常执行的是______。

A．删除关系S中供应商号为’B01’的行

B．删除关系S中供应商号为’Z01’的行

C．向关系P插入新行(’301’，’红’，’B01’)

D．向关系S插入新行(’B02’，’红星’，’南京’)

阅读理解。

     I'm a Chinese girl. My name is Li Ping. My English name is Alice. I'm 13 years old. I'm in No.3

Middle School. At school I have a good friend, Jenny. She is an American girl. She is 12. We are in

Class1, Grade 1.Our Chinese teacher is Mr. Zhang. He is a nice teacher. He looks young. We all like him.

1. Alice is ______ girl.

A. an English  

B. a Chinese  

C. an American  

D. a Japanese

2. Li Ping is ______ years old.

A. 11      

B. 12        

C. 13      

D. 14

3. The two children are in Grade ______.

A. One  

B. Two  

C. Three  D. Four

4. Mr. Zhang is their ______ teacher.

A. Chinese  

B. English  

C. math    

D. history

5. How old is Jenny?

A. 11      

B. 12        

C. 13      

D. 14