2. 外语
  3. A population explosion will lead to______. ______, the world may have a population of 12 billion in a century.

A population explosion will lead to______. ______, the world may have a population of 12 billion in a century.

admin2007-10-13  34
问题 A population explosion will lead to______.
______, the world may have a population of 12 billion in a century.
选项 A、If man can live longer in the future
B、If the science of medicine is developing fast enough
C、If the population growth is not reduced
D、If the earth is able to provide a good life for more people
答案C
解析 答案依据最后一段倒数第二句：Unless population growth is...12 billion in a century．"除非人口增长下降，否则世界人口将在一个世纪以内达到120亿"。unless=if…not，故C项正确。
转载请注明原文地址:https://kaotiyun.com/show/i3PO777K
0

成人本科学位英语

相关试题推荐
随机试题
最新回复(0)