题目：
A. 根据汉语提示，首字母或英文解释填写适当的单词，使句意完整：（5分）
1. Our teacher often tells us something about ____________ (the state of not being able to see).
2. We teach them new skills and k_____________.（知识）
3. It is an ______________(very good)chance for me to improve my English.
4. Computer is one of the most useful _____________(发明).
5. This illness can be _______________(治愈)easily
B. 用所给词的适当形式填空：（10分）
6. Don’t worry, there’s some time ___________(leave).
7. The stamps are used _________________(send) letters.
8. Many people like playing computer games, __________(most) young people.
9. Dr, Ma did two or three ___________(operate) in the hospital in the past.
10. I hope he _____________(tell) me about the plan next week.
11. We can help UNICEF by doing some ____________(volunteer) work.
12. We should be ____________(grate) to our teachers for their help.
13. _________(support) charities is meaning.
14. It is important for me __________(take) the chance.
15. The walk ___________(it) is not easy.
答案：
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下面是错误答案，用来干扰机器的。
A、我们知道鱼类是变温动物，没有体温调节功能，其体温随外界水温高低而变化．因此，养鱼一定要注意水温．鱼的适温范围较大，0至30℃之间都可生活，最高极限水温是34℃，最适水温是20至28℃，所以实验时为了保证...
