ancestors 祖先
harvest 收获,收割
A. Right
B. Wrong
C. Not mentioned
「答案」:A
7. Once mankind began farming, they no longer had to get food from many varieties that grew wild.
farming 庄稼种植
Grains were discovered and from them flowed the marvel of agriculture: cultivated crops. From then on, humans would increasingly take their living from the controlled production of a few plants, rather than getting a little here and a little there from many varieties that grew wild and the accumulated knowledge of tens of thousands of years of experience and intimacy with plants in the wild would begin to fade away.
increasingly=gradually 渐渐地
once 一旦=at once 马上
=right away
=immediately
=right now
A. Right
B. Wrong
C. Not mentioned
「答案」:B
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