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

游客2024-01-18  8

问题 The main 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、and
B、but
C、or
D、as

答案 B

解析 not so/as…as…意为“不如……”,not…but…意为“不是……而是……”。
转载请注明原文地址:https://tihaiku.com/zcyy/3373943.html
最新回复(0)