【题目】I live in Missouri, near a river called the Jacks Fork. Before I was born, my grandparents decided to help keep the _____clean. So they started a club called Stream Team 713. I like its another ________better — the Jacks Fork River Rats! Our club makes sure the water is clean and healthy for fish and people. And now I’m big enough to help ________the river too.

Picking up rubbish is ________a treasure hunt (搜寻). My friends and I find plastic bags, bottles, paper, and all kinds of things. There used to be even more rubbish here. On one weekend, my grandparents ________picked up 6 tons of rubbish. That’s as much as an elephant weighs!

That rubbish was ________to the river or the animals and plants that lived there. So the River Rats taught people who were playing around the river to take rubbish with them rather than _______ it. Now there’s much less rubbish for ________to pick up. Maybe one day we won’t find any rubbish here.

My favorite job is to look for water bugs (虫子)! The bugs like to stay at the river bottom. Some bugs don’t _____ how dirty the water is, but other bugs can only live in clean water. ________ we find lots of bugs that need clean water, then we will know the river is clean enough for fish and for us.

I love taking care of the Jacks Fork River. We help make sure it’s a clean, safe place for me and my friends to play.

1A. state B. club C. block D. river

2A. goal B. opinion C. name D. position

3A. take care of B. run out of C. get out of D. be in control of

4A. for B. like C. with D. from

5A. only B. once C. also D. still

6A. reusable B. unusual C. harmful D. difficult

7A. passing B. collecting C. providing D. throwing

8A. them B. us C. you D. it

9A. mind B. check C. regret D. regard

10A. Though B. Because C. If D. But

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