阅读理解。

     If you go to Beijing and Shanghai, you can see the same and the different points between them. In some ways they look the same, in some ways they look different. Both of them have tall buildings and wide streets, although some buildings in Shanghai are taller than in Beijing. They are both important in China. Beijing is the capital of China, there are more places of interest there, but Shanghai is the biggest city in China. Now they are becoming more and more important in China.

1. Some buildings in ______are taller than in Beijing.

A. Shanghai

B. Xi'an

C. Tianjin

D. Chongqing

2. Shanghai is the ______city in China.

A. tallest

B. biggest

C. smallest

D. busiest

3. The underlined word "point" means ______.

A. 想法

B. 点

C. 内容

D. 主意

4. Beijing has more ______ than Shanghai.

A. places of interest  

B. buildings    

C. wide streets

D. people  

5. Which of the following statements is right according to the passage?

A. Shanghai is the capital of China  

B. The buildings in Beijing are taller than in Shanghai

C. Shanghai is the largest city in China.

D. Shanghai has more places of interest

细胞分化是指（　　）

A．细胞体积增大的过程

B．细胞之间相互连接的过程

C．细胞恢复分裂能力

D．细胞形态、结构、功能定向发展的过程