According to the American federal government,residents of Hawaii have the longest life ________:

题目

According to the American federal government,residents of Hawaii have the longest life ________:
77.2 years.
A.rank
B.scale
C.span
D.scope

答案

C span 最长的生命周期
根据美国联邦政府的资料,夏威夷居民的寿命最长达到77.2岁.
scope指范围,范畴,领域等；rank指等级、阶级；scale指刻度,比例,数值范围等.