Researchers have suspected that large portions encourage people to eat more, but

游客2023-10-12  35

问题 Researchers have suspected that large portions encourage people to eat more, but studies have begun to______this suspicion only in the last several years.

选项 A、confirm
B、contend
C、contrive
D、concoct

答案 A

解析 句意:研究人员对食物份量大会促使人们吃得更多这一猜测有所怀疑,但是直到近几年来,研究才逐渐证实了他们这一怀疑。confirm认可;证实。contend虽有“主张;认为”的含义,但其后应接由that引导的宾语从句。contrive“设计,发明”和concoct“捏造;图谋”均不符合题意。故选A。
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