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Section Four

场次 20110109 20110219 20090115 2008

学科 环保

题型 填空 6 流程图 4

内容概述 利用太阳能进行水净化

填空 6

1. High level of salts makes bore water unsafe to drink.

2. SW10 makes the bore water clean it can be used in hospitals

3. SW10 can work effectively but sometimes it is quite slow

4. They want to get money from an agency called Health International

5. SW10 can provide a maximum output of 9 litres on a sunny day.

6. Each SW10 can support the water use of a family

图解标签题 4

7.盖子 is made of glass

8. SW10 和水平面的夹角是 12.5°

9 UV radiation 紫外线 can destroy germs

10. 一个管子滴水到一个圆心的桶里，这个桶叫什么?water collection tank