[商务英语专业大学排名]全国共有25所开设了商务英语专业的大学参与了排名，其中排名第一的是对外经济贸易大学，排名第二的是中南财经政法大学，排名第三的是西南财经大学，以下是商务英语专业大学排名列表...+阅读
职称英语综合类练习
Smoking
Since 1939, numerous studies he been conducted to determine whether smoking is a health hazard. The trend of the evidence has been consistent and indicates that there is a serious health risk. Research teams he conducted studies that show beyond all reasonable doubt that tobacco smoking is associated with a shortened life expectancy.
Cigarette smoking is believed by most research workers in this field to be an important factor in the development of cancer of the lungs and cancer of the throat and is believed to be related to cancer of some other ans of the body. Male cigarette smokers he a higher death rate from heart disease than non-smoking males. Female smokers are thought to be less affected because they do not breathe in the smoke so deeply.
Apart from statistics, it might be helpful to look at what tobacco does to the human body. Smoke is a mixture of gases, vaporized chemicals, minute particles of ash and other solids. There is also nicotine, which is powerful poison, and black tar. As smoke is breathed in, all those ponents from deposits on the membranes of the lungs. One point of concentration is where the air tube and bronchus divides. Most lung cancer begins at this point.
Filters and low tar tobacco are claimed to make smoking to some extent safer, but they can only slightly reduce, not eliminate the hazards.
1. It is easy to determine whether smoking is hazardous.
A. Right B. Wrong C. Not mentioned
2. Smoking reduces one's life expectancy.
A. Right B. Wrong C. Not mentioned
3. Smoking may induce lung cancer.
A. Right B. Wrong C. Not mentioned
4. There is evidence that smoking is responsible for breast cancer.
A. Right B. Wrong C. Not mentioned
5. Male smokers he a lower death rate from heart disease than female smokers
A. Right B. Wrong C. Not mentioned
6. Nicotine is poisonous.
A. Right B. Wrong C. Not mentioned
7. Filters and low tar tobacco make smoking safer.
A. Right B. Wrong C. Not mentioned
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