There is no simple ____________ to the problem of overpopulation.

Bendable screen and human overpopulation are all related to the environment change.

There is no simple ____ to the problem of overpopulation. ( ) A: solutions B: solution C: to solve D: solves

There is no simple _____________ to the problem of overpopulation. A: solution B: documentary C: achieve D: propose

2. There is no simple _____________ to the problem of overpopulation. A: A. unique B: B. obstacle C: C. solution D: D. achieved

Which of the followingis not the main cause of water scarcity? A: war B: water contamination C: overpopulation D: climate change

According to the passage, if we go on increasing the population, we will face （）. A: a food shortage B: a crisis C: an overpopulation D: a starvation

Air pollution, together with overpopulation, _______many problems in big cities today. A: are causing B: is causing C: are caused D: is caused

中国大学MOOC: Overpopulation poses a terrible threat to the human race. Yet it is probably ________a threat to the human race than environmental destruction.

Overpopulation poses a terrible threat to the human race. Yet it is probably ________a threat A: the human race than environmental destruction. （07年真题） B: no more C: not more D: even more E: much more