2. 外语
  3. Classify the following descriptions as referring to A PRT only B RUF only C both PRT and RUF Write the correct letter, A, B, or

Classify the following descriptions as referring to A PRT only B RUF only C both PRT and RUF Write the correct letter, A, B, or

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问题 Classify the following descriptions as referring to
A PRT only B RUF only C both PRT and RUF
Write the correct letter, A, B, or C in boxes 7-12 on your answer sheet.
It is always controlled by a computer.
选项
答案A
解析 原文第四段第一句话“明显提及PRT是有电脑控制的(“hop into a computer-controlled car”)，而RUF根据原文倒数第四段最后一句话“Once on a road,the occupantwould take over from the computer…”明显是可以在电脑控制和手动之间切换，所以“always controlled by a computer”只有PRT，所以正确答案为A。
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