知识竞猜

● 1. Symbols like R55 and R5 are stamped on batteries. What does the R stand for?

    A. The shape of the battery
    B. The electricity volume
    C. The size of the battery    

● 2. What else helps frogs breathe besides the lungs?

    A. Muscles
    B. Skin
    C. Spleen
    D. Liver

● 3. Which country produces the most diamonds?

    A. South Africa
    B. Brazil
    C. Zaire

● 4. How much oxygen does clean air contain?

    A. 21 percent
    B. 31 percent
    C. 41 percent
    D. 51 percent

Answers from last issue

1. C. 30
2. B. Iron pan
3. B. Tillage
4. B. The Icelander

    上期获奖读者：秦浩  杨欣  

请将答案发至：

       commontalk@tom.com,每期我们从正确答案中抽取几位读者，被抽中者将获得由厦门金逸国际电影城提供的电影票一张。答案和获得者名单下期公布，请获奖者到厦门日报报业大厦1711室领取奖品。