One significant improvement in the future car may probably be ______. What provides autos with electric power in an automated h

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问题 One significant improvement in the future car may probably be ______.
What provides autos with electric power in an automated highway system?

选项 A、A rail.
B、An engine.
C、A retractable arm.
D、A computer controller.

答案A

解析该题较简单。做题根据在第四段第二行。

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GCT工程硕士（英语）

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