Statistics from the developed countries suggest that it is only when peoples living standa

Statistics from the developed countries suggest that it is only when peoples living standards begin to rise______to fall.

A．can birth rate begin

B．that birth rate begins

C．that birth rate should begin

D．then birth rate begins

请帮忙给出正确答案和分析，谢谢！

您可能感兴趣的试题

______ land and money enabled construction of the Union Pacific railroad to begin from Cou

答案解析
What can we learn from the first paragraph？A．No medication can slow down the development o

答案解析
What can be inferred from Para.5？A．The unemployment problem is less serious in most EU cou

答案解析
What conclusion can be drawn from the scientists observation？A．Insects have developed some

答案解析
It can be learned from the statistics in the 2nd paragraph that______.A．oil production is

答案解析
According to figures from the U.S. Bureau of Labor Statistics the average weekly income f

答案解析
The statistics show the number of teens using tobacco has started to decline from record highs in 1997 so the mumber will stop distrubing.()

答案解析