In the first paragraph, "disabled motorists" means ______. According to the information of the passage, Quickwheel ______.

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问题 In the first paragraph, "disabled motorists" means ______.
According to the information of the passage, Quickwheel ______.

选项 A、can be used to replace a flat tire
B、provides a kind of temporary support to the flat tire
C、is capable of moving as quickly as a wheel
D、is as flexible and durable as an ordinary wheel

答案B

解析 本题测试对文中所叙事实的理解。本题要求读者总结出急救轮胎的主要功能,应为B,即急救轮胎是一种暂时性的,支撑漏气的轮胎的装置,而不是A(代替漏气轮胎的装置),C(可以像轮胎一样快地移动)及D(可以像普通轮胎一样地灵活耐久)。
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