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  3. To know what is exactly happening on the roads, we don’t need to It can be inferred from the passage that

To know what is exactly happening on the roads, we don’t need to It can be inferred from the passage that

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问题 To know what is exactly happening on the roads, we don’t need to
It can be inferred from the passage that
选项 A、Traffic jam remains unavoidable worldwide.
B、Traffic forecasts will become as authoritative as the weather forecasts.
C、There is always a short cut by using one of these systems.
D、New systems will improve the transportation situation.
答案D
解析 推理判断题。从题干可以看出本题是基于全文的推断。首段通过设问Is sitting in traffic as inevitable as death and taxes? Perhaps not引出文章主旨：交通路况监测系统。然后分别介绍了不同系统的工作原理、工作方法。末段倒数第二句对这些系统的前景进行了预测：traffic forecasts will become as prevalent as weather forecasts．由此可以推断这些新系统将改善交通拥堵的状况。末段倒数第二句指出：交通预报将会变得和天气预报一样普遍。并没有提到两者的权威性(authoritative)；作者只是在第二段介绍VICS的时候提到the fastest lane，介绍其他系统时没有提及。
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