Modern medical advances ______ the average life expectancy by several years.A、ex

游客2023-07-21  46

问题 Modern medical advances ______ the average life expectancy by several years.

选项 A、expanded
B、spread
C、extended
D、enlarged

答案 C

解析 extend“延伸,延续”;expand“扩大,膨胀”;enlarge“扩大,扩展”。
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