A-A+
Modern medical advances ______ the average lif
问题详情
Modern medical advances ______ the average life expectancy by several years.
A.expanded
B.spread
C.extended
D.enlarged请帮忙给出正确答案和分析,谢谢!
参考答案
正确答案:C
解析:extend“延伸,延续”;expand“扩大,膨胀”;enlarge“扩大,扩展”。