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  3. The passage mainly describes the advantages and disadvantages of robot car races. The aim of the Grand Challenge is to spur dev

The passage mainly describes the advantages and disadvantages of robot car races. The aim of the Grand Challenge is to spur dev

admin2013-01-20  82
问题 The passage mainly describes the advantages and disadvantages of robot car races.
The aim of the Grand Challenge is to spur development of autonomous ground vehicles.
选项 A、Y
B、N
C、NG
答案A
解析 根据题干中的信息词the aim of the Grand Challenge定位原文，发现答案在小标题Unknown Course下第一段，可知题干表述正确。
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大学英语四级

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