Different from popular thoughts, sometimes flu（流感） is not caused by bad weather. It is caused by viruses in the body.  51  ,  A/H1N1 flu has been spreading in the most parts in the world. Some studies have now shown that one of  52  ways of spreading the viruses is through the air when  53  A/H1N1 flu-sufferer coughs or sneezes. However, its viruses can sometimes spread by  54 . After a flu-sufferer rubs his nose, the viruses might be spread to his hand. Then a friend 55 to visit him, they shake their hands. The friend then gets something  56  by hand, and several days  57, he is infected. A child  58  is carrying A/H1N1 viruses uses tissues（面纸） to clean his running nose, although his parents pick up the tissues and carefully throw  59  away, they fail to wash their hands, and they will catch the viruses, too. So it is important for you to wash your hands often, it will stop the viruses from  60  in a way.

2..

Different from popular thoughts, sometimes flu（流感） is not caused by bad weather. It is caused by viruses in the body.  51 ,  A/H1N1 flu has been spreading in the most parts in the world. Some studies have now shown that one of  52 ways of spreading the viruses is through the air when  53 A/H1N1 flu-sufferer coughs or sneezes. However, its viruses can sometimes spread by  54 . After a flu-sufferer rubs his nose, the viruses might be spread to his hand. Then a friend 55 to visit him, they shake their hands. The friend then gets something  56  by hand, and several days  57, he is infected. A child  58  is carrying A/H1N1 viruses uses tissues（面纸） to clean his running nose, although his parents pick up the tissues and carefully throw  59 away, they fail to wash their hands, and they will catch the viruses, too. So it is important for you to wash your hands often, it will stop the viruses from  60 in a way.

For some people, it’s easy to get dressed for work. Pilots and police officers, for example, don’t have to make decisions about their work clothes. They wear uniforms to work every day.

   For many office workers, however, it is more difficult to choose clothes for work. They do not wear uniforms to the office. Also, many organizations are changing their dress codes. They are allowing their employees to wear casual(随意的) clothes to work.

   The change to casual work clothes began in the 1990s. At first, many companies in the United States allowed employees to wear casual clothes on one day of the week—Friday. Friday became “Casual Friday” or “Dress-down Friday”. Today, however, many companies are allowing their employees to wear casual clothes every day of the week.

Some studies show that people are producing and achieving more when they are wearing comfortable clothes. Some companies also like the casual dress code because they don’t need to buy special clothes for work. They can save money this way.

    Unfortunately, a casual dress code can also cause problems. Sometimes employees think they can wear anything. Many companies have rules about casual clothes. They list the kinds of clothes that are not “business-casual” clothes. Blue jeans, sandals, and sportswear are examples of clothes that are usually too casual for the office.

1.What do pilots and police officers wear to work?

A. Casual clothes.          B. Sportswear.      C. Blue jeans.      D. Uniforms.

2.What do the underlined phrase “dress codes” mean?

A. They tell what you can do and can’t do.

B. They are rules about what clothes to wear.

C. They save a lot of money.

D. They show you what to say at work.

3.“Dress-down Friday” is a day when employees are allowed to_______.

A. eat delicious food

B. have smart uniforms on

C. wear casual clothes to work

D. work longer hours

4.Why do some companies agree to the casual dress code?

A. They don’t need to buy special clothes for work.

B. It is difficult for them to choose clothes for work.

C. They don’t like the same uniforms.

D. It is easy for them to make decisions about work clothes.

5.What problems can a casual dress code cause according to the passage?

A. Employees seldom wear comfortable clothes.

B. Usually employees put on expensive clothing.

C. Employees always have too little on themselves.

D. Sometimes employees dress too casually.

Different from popular thoughts, sometimes flu（流感） is not caused by bad weather. It is caused by viruses in the body.  51  ,  A/H1N1 flu has been spreading in the most parts in the world. Some studies have now shown that one of  52  ways of spreading the viruses is through the air when  53  A/H1N1 flu-sufferer coughs or sneezes. However, its viruses can sometimes spread by  54 . After a flu-sufferer rubs his nose, the viruses might be spread to his hand. Then a friend  55  to visit him, they shake their hands. The friend then gets something  56  by hand, and several days  57, he is infected. A child  58  is carrying A/H1N1 viruses uses tissues（面纸） to clean his running nose, although his parents pick up the tissues and carefully throw  59  away, they fail to wash their hands, and they will catch the viruses, too. So it is important for you to wash your hands often, it will stop the viruses from  60  in a way.

1.A. Recently              B. Finally        C. Luckily            D. Happily

2.A. more usual            B. the most usual C. more unusual       D. the most unusual

3.A. a      B. the         C. an                   D. /

4.A. hands  B. feet        C. mouth          D. legs

5.A. get                   B. leaves         C. comes              D. arrive

6.A. eat                   B. to eat         C. eating             D. eaten

7.A. ago                   B. before         C. after              D. later

8.A. which  B. what        C. who            D. where

9.A. it     B. them        C. itself         D. themselves

10.A. coming    B. to come  C. spreading    D. to spread

For some people, it’s easy to get dressed for work. Pilots and police officers, for example, don’t have to make decisions about their work clothes. They wear uniforms to work every day.
For many office workers, however, it is more difficult to choose clothes for work. They do not wear uniforms to the office. Also, many organizations are changing their dress codes. They are allowing their employees to wear casual(随意的) clothes to work.
The change to casual work clothes began in the 1990s. At first, many companies in the United States allowed employees to wear casual clothes on one day of the week—Friday. Friday became “Casual Friday” or “Dress-down Friday”. Today, however, many companies are allowing their employees to wear casual clothes every day of the week.
Some studies show that people are producing and achieving more when they are wearing comfortable clothes. Some companies also like the casual dress code because they don’t need to buy special clothes for work. They can save money this way.
Unfortunately, a casual dress code can also cause problems. Sometimes employees think they can wear anything. Many companies have rules about casual clothes. They list the kinds of clothes that are not “business-casual” clothes. Blue jeans, sandals, and sportswear are examples of clothes that are usually too casual for the office.
【小题1】What do pilots and police officers wear to work?