These days the severe weather in Beijing has aroused public concern.
In areas _____the ground can be seen, the landscape is yellow or   _____
gray. The citizens_______ (调查）complained that the loose soil and _____
dust blanketed streets, removing the _______ (便利）of travelling  _____
around. When it came to outdoor activities, they had no choice_____ _____
to wear face masks to protect_________. The Weather Board sent an  _____
alarm, w_________ that the conditions were most likely to last until_____
__________(星期三).Faced with this emergency, the government has   ____
taken i_______ measures like shutting down polluting factories. “That’s_____
f_______ from enough.” an official said，“We must not any longer seek_____
rapid growth __________the expense of environment! If we don’t get_____
started from now on, we will have to pay a heavier price!”