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The Healthy Habits Survey(调查)shows that only about one third

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The Healthy Habits Survey(调查)shows that only about one third of American seniors have correct habits. Here are some findings and expert advice.
1．How many times did you brush your teeth yesterday?
·Finding：A full 33% of seniors brush their teeth only once a day.
·Step：Remove the 300 types of bacteria in your mouth each morning with a battery－operated toothbrush. Brush gently for 2 minutes, at least twice a day.
2．How many times did you wash your hands or bathe yesterday?
·Finding：Seniors, on average, bathe fewer than 3 days a week. And nearly 30%wash their hands only 4 times a day—half of the number doctors recommend.
·Step：We touch our faces around 3,000 times a day－often inviting germs(病菌)to enter our mouth, nose, and eyes.Use toilet paper to avoid touching the door handle. And, most important, wash your hands often with hot running water and soap for 20 seconds.
3．How often do you think about fighting germs?
·Finding：Seniors are not fighting germs as well as they should.
·Step：Be aware of germs. Do you know it is not your toilet but your kitchen sponge(海绵)that can carry more germs than anything else? To kill these germs, keep your sponge in the microwave for 10 seconds.
小题1:What is found out about American seniors?
A．Most of them have good habits.
B．Nearly 30%of them bathe three days a week.
C．All of them are fighting germs better than expected.
D．About one third of them brush their teeth only once a day.
小题2:Doctors suggest that people should wash their hands ________.
A．twice a day B．three times a day
C．four times a day D．eight times a day
小题3:Which of the following is true according to the text?
A．We should keep from touching our faces.
B．There are less than 300 types of bacteria in the mouth.
C．A kitchen sponge can carry more germs than a toilet.
D．We should wash our hands before touching a door handle.
小题4:The text probably comes from________.
A．a guide book B．a popular magazine
C．a book review D．an official document
The Healthy Habits Survey(调查)shows that only about one third

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该篇从刷牙，洗手(澡)，与细菌战斗三方面讲解了美国老年人的误区，并指明了正确的认识和做法。提醒老人应养成良好的卫生习惯。
小题1:解析　细节理解题。根据Only about one third of American seniors have correct habits可知，A项错误。根据seniors，on average，bathe fewer than 3 days a week可知，B项错误。根据Seniors are not fighting germs as well as they should 可知，C项错误。答案　D
小题2:解析　细节理解题。根据And nearly 30% wash their hands only 4 times a day－half of the number doctors recommend可知。提示：注意破折号的作用。答案　D
小题3:解析　细节理解题。根据Do you know it is not your toilet but your kitchen sponge(海绵)，that can carry more germs than anything else？可知。答案　C
小题4:解析　推理判断题。综合语篇可推出。答案　B
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