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职称英语
A、cultivatingB、been cultivatedC、having cultivatedD、being cultivatedD句意:玉米起源于
A、cultivatingB、been cultivatedC、having cultivatedD、being cultivatedD句意:玉米起源于
游客
2024-08-15
52
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问题
选项
A、cultivating
B、been cultivated
C、having cultivated
D、being cultivated
答案
D
解析
句意:玉米起源于新大陆,随后直到哥伦布发现古巴也有在培植玉米,才开始在欧洲盛行。考查时态及语态。find sth.done发现某事已经完成。find sth.being done发现某事正在被做。此处培植玉米应用被动语态。哥伦布发现的时候是玉米正在被培植的时候,事情正在发生。因此选D项。
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