问题 选择题

下列关于水的说法正确的是(  )

A.防止水体污染是爱护水资源的重要方法

B.地球上淡水资源非常丰富

C.过滤能够除去水中所有杂质

D.水由氢气和氧气组成

答案

A、爱护水资源的重要方法就是首先不污染水资源,故A正确;

B、地球上的淡水资源储量有限,要节约利用,故B错误;

C、过滤只能除去难溶性固体杂质而不能除去水中所含的可溶性杂质,故C错误;

D、水是由氢氧元素组成的而不是由氢气和氧气组成,故D错误.

故选:A.

阅读理解

阅读理解。

       Did you visit the Shanghai World Expo? What do you think of it? Now let's invite four students

to talk about their experiences (经历).    

       Zhang Qin , 12 years old , Suzhou    

      I visited the SAIC-GM Pavilion (馆). I found my dream car there. It is a green car. Its name is

"Leaf".  Chinese engineers made the car. Its roof (车顶) is in the shape of a leaf. The roof takes in (吸收)

CO2  and changes it into electricity (电) for the car.    

       Wang Fei, 13 years old, Nantong    

       The Japan Pavilionis full of high technology (高科技). The "Wonder Camera" is cool. It can find a

smiling face in a crowd (人群). When you're smiling,it takes a photo of you. I want to invent (发明)

something like that in the future.    

        Qian Jin, 12 years old, Wuxi    

        My favorite pavilion is the Germany Pavilion. I watched the Energy Source (动力之源) show. The

ball can move (移动) with visitors, voices. It's amazing!    

        Sun Yan, 14 years old, Xuzhou    

        I like painting, so my parents took me to the France Pavilion to see the famous paintings. But the

French cooks caught my eye (引起我的注意). I saw them cook. My mom told me that they are some

of the best cooks in the world. The dish they cooked looked like a painting. So, being a chef is my

second dream job.

1. Who talks about the Japan Pavilion in this passage (短文)?

A. Zhang Clin.  

B. Wang Fei.  

C. QianJin.  

D. Sun Yan.

2. In the SAIC-GM Pavilion we can see a _______.

A. car   

B. ball   

C. camera   

D. painting

3. Which pavilion does Qian Jin like best?

A. The SAIC-GM Pavilion.

B. The France Pavilion.

C. The Japan Pavilion.

D. The Germany Pavilion.

4. Which of the following is NOT right?    

A. The green car's name is "Leaf".    

B. The"Wonder Camera "can't take photos.     

C. The ball can move with voices.    

D. Visitors can see French cooks in the France Pavilion.     

单项选择题