Oneofthereasonswhythelong-termtrendofpriceshasbeendownwardsisthat()。
A.technologicalinnovationemerge
B.consumptionwilldrop
C.newsourcesarealwaysbecomingavailable
D.newfarmingandcroptechnologycanleadtooverproduction
优质答案
答案:
C
解析
解析
根据long-termtrendofpriceshasbeendownwards定位至第四段Thesameistrueforfood.Pricesfluctuate…whentheyrise,ittakessometimebeforenewsourcesofsupplybecomeavailable.Buttheyalwaysdo,assistedbynewfarmingandcroptechnology.Thelong-termtrendhasbeendownwards.可知长期价格下降的原因在于经常会找到新供给来源。选项A:科技创新出现;选项B:消费下降;选项C:经常会找到可替代来源;选项D:全新农作物科技带来的生产过剩。根据第四段可知正确答案是选项C。
以上是关于Oneofthereasonswhythelong-termtrendofpriceshasbeendownwardsisthat()。的参考答案及解析。



