People living in modern times benefit from many discoveries and inventions that have _________the world.
A． filled
B． stuffed
C． enriched
D． extended
正确答案：C
fill的意思是“占满装满充满”stuff有“(用软物)装满．填满”的意思这两个词常与with构成固定搭配；enrich的意思是“使……丰富”；extend的意思是“扩大扩张扩散”题干的意思是：“现在人们从许多发现和发明中获益匪浅这些发现发明让世界变得丰富多彩”
