According to the text, it can be concluded that

Based on the text, it can be stated that

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According to the text, specialization arises from the need to prevent certain dimensions of a field from becoming obsolete after they had been recognized as established or traditional areas.

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The author uses engineering as an instance of specialization of a field of knowledge in order to support his argument.

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Even though the verbs “should” (l.6) and “must” (l.8) have different meanings, they can be used interchangeably in the text without invalidating the author’s plea.

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The risks to safety and health mentioned in “reducing risks posed to society” (l.1-2) are caused by the work of engineers in their “procedures and design decisions” (l.10-11).

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The text claims that engineers are as much responsible for the reduction of risks in modern society as any other professional, because they “cannot bear the total blame” (l.3).

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A controlled experiment indicated that the idea presented by two chinese researchers might be able to reduce the waiting time of cars on red lights.

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Even though Guangzhou is the largest city in southern China, its bad traffic is nothing but a legend.

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It is common knowledge that traffic lights nowadays do not work very well when traffic is heavy.