句式分析:该句为复合句。not...until意为“直到……才”,until引导时间状语从句;主句中what引导宾语从句;从句中含有in which引导的定语从句。
Passage 3限时:6分钟
体裁:说明文 题材:科普类 难度:易词数:269
[2016·武邑中学预测] A new German study has uncovered evidence that there is a strong link between traffic jams and developing a heart
attack. It has been found that individuals were three times more likely to develop a condition if they had recently got stuck
in traffic, most probably because of the exposure to the car fumes and other pollution they breathed.
The researchers analyzed data of heart attack cases between February 2017 and December 2017. They interviewed
nearly 1,500 patients to gather information and figure out what could be potential triggers for a heart attack.
The
participants were asked a standardized set of questions, such as what they were doing on the day of the heart attack, where
exactly they went, what means of transportation they used and how much time they spent in a traffic jam.
The experts found that driving a car turned out to be the most common source of traffic exposure. However, using public transportation and riding a bicycle were also other forms of traffic exposure. The researchers reported that 8% of all
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