The researchers have just completed a study of driving situations.

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问题 The researchers have just completed a study of driving situations.

选项 A、started
B、finished
C、changed
D、made

答案B

解析句意为：研究人员刚刚完成车况测试的研究。complete“完成”，四个选项：start“开始”；finish“完成”；change“改变”；make“使得”。

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职称英语理工类C级

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