题目内容
The corn, potato and tomato are plants that were first ________ in America by Columbus.
A. invented B. grown C. discovered D. found out
C 【解析】句意:玉米、马铃薯和西红柿是哥伦布最先在美国发现的植物。A. invented发明;B. grown种植;C. discovered发现;D. found out查明。结合句意可知,答案为C。
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