Question

【题目】The Healthy Habits Survey shows that only about one third of American seniors(老年人) have correct habits. Here are some findings and experts’ advice.

1. How many times did you brush your teeth yesterday? Finding: About 33% of seniors brush their teeth only once a day. Step: Remove(去除) the 300 types of bacteria(细菌) 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 take a shower yesterday? Finding: Seniors, on average, take a shower fewer than 3 days a week. And nearly 30% wash their hands only 4 times a day一only half of the number that doctors advised. Step: We touch our faces around 3000 times a day一often inviting germs (病菌) to enter our mouth, nose, and eyes. Use toilet paper to keep your hand from 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: Know about germs clearly. 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.

根据短文内容，选择正确答案。

【1】According to the survey, we can know about________ of American seniors have correct habits.

A. one second B. two thirds

C. one third D. one fourth

【2】How long should people brush their teeth gently?

A. One minute. B. Two minutes.

C. Three minutes. D. Four minutes.

【3】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

【4】What is found out about American seniors?

A. All of them have good habits.

B. All of them brush their teeth once a day.

C. They all take a shower every day.

D. They aren’t fighting germs better than expected.

【5】Which of the following is true according to the text?

A. There are only 200 types of bacteria in the mouth.

B. We touch our faces four times a day.

C. We should wash our hands with cold water.

D. A kitchen sponge can carry more germs than a toilet.

Answer 1

【答案】

【1】C

【2】B

【3】D

【4】D

【5】D

【解析】

试题分析：本文是关于健康习惯的调查。在一天刷几次牙，洗手沐浴几次，以及多久考虑过和细菌战斗一次等方面，描述了一些美国老年人的习惯并给出了专家建议。

【1】C细节理解题。根据文中 The Healthy Habits Survey shows that only about one third of American seniors(老年人) have correct habits.可知三分之一的老年人有正确的习惯。故选C。

【2】B细节理解题。根据文中each morning with a battery-operated toothbrush. Brush gently for 2 minutes, at least twice a day.可知是两分钟，故选B。

【3】D细节理解题。根据“And nearly 30% wash their hands only 4 times a day----half of the number doctors recommend.”一天洗4次手是专家建议的一半，可知专家建议每天洗8次手。故答案选D

【4】D细节理解题。根据文中Seniors are not fighting germs as well as they should可知故选D。.

【5】D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?”可知厨房里的海绵比任何其他东西（包括厕所）携带的细菌都多。故选D。