Many lifestyle. patterns do such great harm to health that they actually speed up weakening of the human body. A．a; / B．/; the C．a; the D．/; /
正确答案：B解析：本题考查冠词。句意：许多生活方式对人类的健康有害，他们加速了人类身体的衰退。本题考查冠词，对……有害用短语“do harm to”表示，中间无需冠词；之后的weakening是由动词的ing形式表示抽象的名词，表达一种概念、状况时需要加上the。
举一反三
- The key to control the symmetry axis of human body lies in( ). Its deflection and twist will harm the symmetry of human body. A: Spine B: Head C: Shoulder D: Lumbar
- Vitamins neither participate in the formation of human cells nor provide energy, and the human body requires a small amount, but it has a great effect on the human body.（）
- In the course of human civilization,pestilence does great harm to human beings. A: famine B: plague C: war D: flood
- According to theories of Chinese medicine, the changes of seasons and weather have effects on the health of human body.
- 70% of the human body ____water. A: makes up B: is made of C: is made up of D: make up
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中国大学MOOC: The Chinese people generally don’t like to eat animal’s internal organs because they think eating a particular organ of animals will do harm to the same organ of the human body.
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Although the body is made up of many different tissues, these tissues are arranged in ( ) and orderly fashion. A: A.initial B: B. intricate C: C. internal D: D. insane
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Without air protection, the sun's rays______. A: will become very cold B: will do good to human beings C: will become hot D: will do harm to human beings
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A great many scientists proposed that human cloning ________.
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20. The couple gave up many things in order to adapt to the new lifestyle. A: 正确 B: 错误