A-A+
It is postulated that population trends have a
问题详情
It is postulated that population trends have an effect on economic fluctuations.
A．challenged
B．assumed
C．deducted
D．decreed请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：B
解析：动词辨析postulate要求，假定；A．challenge向……挑战；B．assume假定，假设；C．deducte扣除，演绎；D．decree颁布；本句意为：人们假定人口趋势对经济波动会有影响。因此B为答案.
