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and productivity in such aspects of life as our daily work, dieting, taking medicine and sleeping.

Four 18 It is important to keep regularity in all aspects of our life and learn to act in synchronization with our body’s natural rhythms.

Task Two Reading Between the Lines

Read the following sentences carefully and discuss in pairs what the author intends to say by the italicised parts.

1. It is barely 5 a.m., but Winget is raring to go. Meanwhile, his wife pulls up the covers and buries her face under the pillow. (Para. 1)

Early in the morning Winget wakes up and is eager to begin the day’s work while his wife still needs more sleep. That is to say, people’s body clocks run at different speeds, thus leading to different waking times.

2. Halberg’s explanation: instead of performing at a steady, unchanging rate, our systems function on an approximately 25-hour cycle. (Para. 4)

Many people believe that our systems work at the same rate all throughout the day, but it is not true.

3. Of course, individual variations make all the difference. (Para. 11)

Different people may show different patterns of temperature change, and such differences reflect differences in their circadian rhythms.

4. ―All the subjects lost weight eating breakfast,‖ states Sothern. ―Those who ate dinner either maintained or gained weight.‖ (Para. 14)

Sothern, a chronobiologist who personally did the research and whose words are to be taken seriously, emphasizes the point that for effective dieting, it’s a good choice to eat breakfast rather than dinner.

5. The best way to recover from a bad night’s sleep is simply to resume your normal cycle. (Para. 17)

The best way to recover from a bad night’s sleep is not to have more sleep in order to make up for the lost sleep, but to go on with your normal sleep-wake cycle, i.e. to go to bed at the same time every night and get up at the same time every morning, even on weekends.

Checking Your Vocabulary Word Detective

1 Put down the right word from Text B in the space provided according to the given definition. The first letter of each word is already given.

Example: election: the choosing by vote of a representative to take an official position

1) isolate: keep apart; separate from others

2) issue: produce (esp. sth. printed and / or official)

3) contract: get or begin to have (sth. bad, esp. an illness)

4) ignorance: lack of knowledge, information, or consciousness

5) broken: made discouraged or weak by misfortune, ill-health, etc.

6) segment: any of the parts into which sth. can be cut or divided

7) community: the people living together and/or united by common background, nationality, etc.

8) prejudice: (an) unfair and unreasonable opinion or feeling, esp. when formed without enough thought or knowledge

2 Fill in each blank with a word or phrase from Text B. Both the explanation and the number of the paragraph in which the target word or phrase appears are given in brackets. Be sure to use the proper form.

Example: She wanted to protect her children from the evils of the outside world.

(great wickedness or misfortune: Para. 7)

1) The two sides never agree. How can I bring their disputes to an end ? (cause sth. to finish, usu. after lasting some time: Para. 1)

2) The SARS victims have to be isolated so that they would not infect others. [(of disease) get into the body of (sb.): Para. 3]

3) The letter was full of threats and she decided to show it to the police. (an expression of an intention to hurt, punish, etc.: Para. 6)

4) By acting in this stupid way you may eventually put your whole future at risk ?

(in danger: Para. 8)

5) It is time to set aside our differences and work together for a common purpose.

(abandon or leave out of consideration: Para. 14)

6) James took the books off the little shelf to make room for the new photo frame.

(push things closer together in order to provide space for another thing: Para. 14)

7) The government is appealing to everyone to save water. (make a strong request for support, help, etc.: Para. 15)

Checking Your Comprehension

1 Answer the following questions with the information contained in Text B.

1) Why did Mary Fisher come to address the audience?

She came to break the silence that has been kept over the issue of HIV/AIDS for a long time.

2) How serious is the situation of HIV infection?

In the United States, two hundred thousand Americans are dead or dying; a million more are infected. AIDS is the third leading killer of young adult Americans today. Worldwide, 40 million, 60 million, or a hundred million infections will be counted in the coming few years.

3) Why does Fisher say that AIDS virus is not a political creature?

Because it has nothing to do with politics. It does not care whether you are a Democrat or Republican; it attacks people regardless of race, sex or age; it does not ask whether you are gay or straight.

4) Why has the AIDS virus spread so widely?

Because we have helped it spread with our ignorance, prejudice and silence.

5) Why shouldn’t AIDS patients be treated cruelly?

Because they are human. Each of them is a person. They are not evil and have not earned cruelty. They do not deserve meanness. They don’t benefit from