1 ohe-child policy has worked well in____ (control) china's population.
2people's living conditions are improving_____(rapid).
3evert minute about 261 babies____(bear) in the world.
4china's population has reched one______(five) of te world's population.
5china has done something useful_____(control)the population.
6选择题目
we are short of energy and water _______ if the large population
A because B because of C unless D Four ninth
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