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外语
Modern medical advances ______ the average life expectancy by several years.
Modern medical advances ______ the average life expectancy by several years.
admin
2011-01-03
41
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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大学英语四级
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