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People release (放) balloons for special occasions like memorial services and grand openings. It is fun and exciting. But it really causes great destruction to the environment and threatens the 1. (life) of our wildlife.

When a balloon 2. (fly) into the sky, it doesn’t end up 3. (stay) there. It eventually bursts and returns to the earth as ugly litter. Balloons can even travel thousands of miles and pollute the most remote and pure places. More 4. (sad), they can present a threat to many animals. Birds, whales, turtles and other animals often mistake balloons 5. food, which can do damage to them because balloons contain 6. (harm) chemicals. Balloons even kill animals. When an animal swallows a balloon,it can block its intestinal tract (肠道), resulting in starvation.

Part of the reason why releasing balloons 7. (permit) in so many places is that some balloons do break down eventually. However, it takes about four years 8. (break) down completely.

Watching hundreds of balloons slowly going up into the sky might give you a five-second thrill, 9. is it worth a bunch of dead animals and so many places full of rubbish? Absolutely not. 10. we should do is to get creative and come up with alternative ways to celebrate.

高三英语语法填空中等难度题

少年,再来一题如何?
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