2018--2019学年人教版必修五Unit 5 first aid grammar课时作业(1)
2018--2019学年人教版必修五Unit 5 first aid grammar课时作业(1)第3页

  A point worth mentioning here is herbal remedies and medicine for certain illnesses may have negative side effects. These side effects may not be shown at once, but would take months or even years. In the early stages, if the herbal medicine is not agreeing with you, it is wise to stop using it.

  When used correctly and directed by doctors, herbs can help treat a variety of diseases. But keep in mind that the herbal medicine industry is not regulated, so herbal products are often misleading and may contain additives (添加剂) and that are not listed on the label (标签). Some herbs may cause allergic reactions or interact with other drugs, and some are poisonous if used improperly or at high doses (剂量). Taking herbs on your own increases your risk.

3. What is the main idea of Paragraph 1?

A. The origin of herbal medicine.

B. The history of herbal medicine.

C. The definition and function of herbal medicine.

D. The naturally harmless characteristics of herbal medicine.

4. How does the author explain the advantages of herbal medicine?

A. By using examples.

B. By making a comparison.

C. By analyzing research statistics.

D. By performing lots of experiments.

5. What is the author's attitude towards herbal medicine?

A. Negative. B. Disapproving.

C. Unclear. D. Supportive.

6. Which of the following will the author agree with?

A. Choose safe herbal medicine freely.

B. Take herbal medicine under the guidance of doctors.

C. Use herbs together because the combination is more effective.

D. Purchase herbal medicine from reliable manufacturers to ensure quality.

【答案】3. C 4. B 5. D 6. B

【解析】全球数百万人目前都在使用中草药健康疗法,很多人认为中草药疗法可以治疗各种疾病,例如过敏、哮喘、风湿性关节炎、偏头痛、慢性疲劳和癌症等等;但中草药行业没