The chief reason for the population growth isn’t so much a rise in birth rates a

游客2023-11-21 24

问题 The chief reason for the population growth isn’t so much a rise in birth rates a fall in death rates as a result of improvements in medical care.

选项 A、but
B、or
C、as
D、and

答案 C

解析本题中要特别重视的是so much的出现，这就要求正确的选项应该能够与之相呼应，构成合理的搭配。可以看出，能够满足这种搭配关系的选项只有C。

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Whosponsoredtheconferenceonpopulation?[br][originaltext]Atwenty-year