Ourenvironmentisveryimportantforourlives.Weneedthef1airthecleanwaterandsooaInthepasttherew2manytreesaroundus;theairwasfreshandtheriverwasc3.Butnowpeoplec4downmanytrees.Air

Question

    Our environment is very important for our lives. We need the f 1____ air the clean water and so oa In the past there w 2 ____ many trees around us; the air was fresh and the river was c 3 ____ . But now people c 4 ____ down many trees. Air p 5 ____ and water pollution are very serious. The environment around us becomes very t 6 ____ We should p 7 ____ our environment. First we should plant many trees to keep water. Second we can r 8 ____ a bike or walk to school or work. Third we shouldn’t pour the d 9 ____ water into the river.Fourth we shouldn't use the plastic bags. Finally we can ask more people to j 10____ us.

1. ____  2. ____

3. ____  4. ____

5. ____  6. ____

7. ____  8. ____

9. ____  10. ____

Answer 1

阅读提示：本文通过对比过去与现在的环境说明现在环境非常糟糕， 并给出了保护环境的方法。

1. fresh   2. were   3. clean   4. cut   5. pollution   6. terrible

7. protect   8. ride   9. dirty   10. join