雅思考试题(11)

雅思考试测试题

新东方英澳留学直通车测试题

smoke harmful effects to health are caused by many components. Carbon monoxide, for example, competes with oxygen in red blood cells and interferes with the blood’s ability to deliver life-giving oxygen to the heart. Nicotine and other toxins in cigarette smoke activate small blood cells called platelets, which increases the likelihood of blood clots, thereby affecting blood circulation throughout the body.

The researchers criticize the practice of some scientific consultants who work with the tobacco industry for assuming that cigarette smoke has the same impact on smokers as it does on non-smokers. They argue that those scientists are

underestimating the damage done by passive smoking and, in support of their recent after active smoking and alcohol-related diseases.

Questions 71–73

Choose the appropriate letters A

71 A B C D 72 C D 73 According to information in the text, intake of nicotine encourages

A blood circulation through the body

B activity of other toxins in the blood.

C formation of blood clots.

D an increase of platelets in the blood.

百度搜索“77cn”或“免费范文网”即可找到本站免费阅读全部范文。收藏本站方便下次阅读，免费范文网，提供经典小说综合文库雅思考试题(11)在线全文阅读。