11、Never before in history has the issue of overpopulation been more evident than now.
12、The rapid expansion of urban areas has in many cases encroached on valuable cultivatable land，and led to a general recognition that development must not be carried at the cost of agriculture.The government has attached greater importance to the problem and an increasing number of redundant projects are being terminated.
13、Perhaps the most dangerous phenomenon gripping the nation today is official corruption，which is pervasive in all levels of government.
14、Inflation is yet another new and bitter truth we must learn to face.
15、One of the most serious problems many people talk about centers on the lack of adequate housing space.