题目内容：

These days the severe weather in Beijing has aroused public concern.

In areas _____the ground can be seen, the landscape is yellow or    1._____

gray. The citizens_______ (调查）complained that the loose soil and       2._____

dust blanketed streets, removing the _______ (便利）of travelling 3._____

around. When it came to outdoor activities, they had no choice_____ 4._____

to wear face masks to protect_________. The Weather Board sent an     5._____

alarm, w_________ that the conditions were most likely to last until6._____

__________(星期三).Faced with this emergency, the government has     7.____

taken i_______ measures like shutting down polluting factories. “That’s8._____

f_______ from enough.” an official said，“We must not any longer seek9._____

rapid growth __________the expense of environment! If we don’t get10._____

started from now on, we will have to pay a heavier price!”