2. 职称英语
  3. Corn originated in the New World and thus was not known in Europe until Columbus

Corn originated in the New World and thus was not known in Europe until Columbus

游客2025-03-22  0
问题 Corn originated in the New World and thus was not known in Europe until Columbus found it ______in Cuba.
选项 A、being cultivated
B、having cultivated
C、has been cultivated
D、cultivating
答案 A
解析 首先，是人们cultivate“种植”玉米，也就是说corn是被cultivated的，因此用主动形式是错误的，据此排除B和D。其次，cultivate在本句中是作found的宾语补足语，如果found后面接从句的话，时态应该是过去时it was cultivated in Cuba。所以只有A符合语法要求。
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