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 batteryoperated 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 remend.
·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 dayB．three times a dayC．four times a dayD．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 es from .A．a guide bookB．a popular magazineC．a book reviewD．an official documentD
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(答案→)D
解析：本文为应用文，属于介绍说明类——调查报告。本文介绍了一项对美国年长者健康生活习惯的调查结果及专家建议。
【小题1】答案：D 细节理解题。根据第一条调查结果“A full 33% of seniors brush their teeth only once a day.”可知D项正确。
【小题2】答案：D 细节理解题。根据第二条调查结果中30%的年长者一天洗手四次，由“half of the number doctors remend”(医生建议数目的一半)知，医生建议每天洗手的次数应该是八次。
【小题3】答案：C 细节理解题。在第三个Step中，作者用了一个强调句型“...it is not your toilet but your kitchen sponge(海绵) that can carry more germs than anything else？”来说明：不是你的洗手间而是你厨房里面的海绵携带的病菌最多。故选C项。
【小题4】答案：B 推理判断题。A：导游指南；B：大众杂志；C：书评；D：官方文件。本文是一份关于健康的调查报告，出现的地方最可能是杂志，故选B项。