单项选择题
| What kinds of people often give drugs
to their children Where in the world do people take drug before going to work
The answers are simple—ordinary people, just about (26) .
And the drug (27) question is caffeine. Scientists estimate that over 70% of the world’s population takes caffeine daily. (28) drink it in tea and coffee. Children drink in tin Coca Cola and (29) soft drinks. It is also found in chocolate. (30) , most people in the most places at any time are under the (31) of the drug. There have been many scientific investigations (32) the exact effects of caffeine. Most people agree that it (33) the nervous system and helps the body make efficient use of energy. This is why many people (34) Asia drink tea with food and why westerners often end their meals (35) a cup of coffee. Because the effect of caffeine is so (36) , there have been (37) attempts to stop people using it. A U. S. religious group which (38) the use of caffeine is generally regarded as eccentric (反常的). But because nearly everybody takes it, the total effect of caffeine (39) people is huge. Caffeine is the drug that changed the world. Both tea and coffee were introduced to the West around 300 years ago. The effect of these new drinks was felt (40) . In New York, coffee houses were (41) with people making plans, (42) business and doing deals. And the deals done in the coffee houses were partly responsible (43) a rapid increase in American trade. History was moving (44) that direction anyway. But the arrival of coffee (45) everything up. |