|
完形填空
Make Our Cities Greener
The greening of our cities has added much more than before, but we are still not 1 with this result．In recent years people have 2 many trees in the cities and people have 3 much care of the planted trees．But the greening process(進程)is 4 than the cities in many other countries．For example, the green space to each Shenyang people is less than 0.4 Mu while every Londoner has more 5 20 Mu．
We can get much from making our cities greener 6 planting trees．First, trees take harmful gas from the air and 7 oxygen．We all know oxygen is essential(基本的)to the health of human beings, we can't live 8 oxygen．Second, trees and other greenery make our cities 9 ．Third, trees can also make the climate(氣候)of the cities better．
Since we can get so much from making our cities greener, we should plant more trees and take better care of them．We also should not 10 the trees．In a word, we should do everything to add to the greening of our cities．
| 
挑戰(zhàn)100單元檢測試卷系列答案
