3.　　　 Swimming in this river is _________(禁止) .

2.　　　 With the development of ________(工业)　 and ________(农业)　 , more and more waste is produced to pollute things around us.

1.　　　 No one can predict ( 预言) whether ________(污染)　 will ever be stopped.

　　 根据下面的表格提示，写一篇题为Air Travel and Train Travel短文，简述乘飞机和坐火车旅行的利弊及你的观点。(100-120词左右)

青岛一广州

Air travel has two advantages over train travel._______________________________

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6. ________　　 7. ________　　 8. ________　　 9. ________　　 10. ________

下面短文里大多数行中都有一个错误，请找出来并改正。

Laughter maybe the best medicine. However, even looking forward to have a good laugh can improve the immune system (免疫系统) or reduce pressure, US researchers reported on October 6. Another study have already shown that watching funny movie, or laughing at a joke, can cause healthy changes on the body. But this was the first time that just the anticipation (预期) of having fun has found to have similar effects, say researchers. The finding strengthens the advice that everyone shouldn't cheer up a little to live longer.

1. ________　　 2. ________　　 3. ________　　 4. ________　　 5. ________