(1)Coffee is one of the most popular (流行的) drinks throughout the world today. In fact, according to some estimates, over 30% of all adults in the world drink coffee at least once a day on the average.(2)Coffee contains a kind of drug called caffeine (咖啡因). Caffeine is a chemical that stimulates (刺激) the nerves of the body. Drinking coffee tends to make people a little bit more awake―at least for a short timeDbecause of this stimulating effect on the nervous system (系统). A cup of coffee has, on the average, about 3% caffeine in it.(3)One story of the discovery of the coffee plant relates to this effect of caffeine. According to the story, coffee was discovered in East Africa. The story says that coffee was first found by a goat farmer named Kaldi. This was about the year 850.(4)Kaldi was leading his animals through the mountains and the goats were stopping repeatedly to eat the plants near the path. Suddenly, some of the goats started jumping up and down in a very strange way.(5)Kaldi figured out that the goat
What is caffeine?
- A、a kind of seed
- B、a kind of plant
- C、a kind of drug
- D、a kind of nut
正确答案:C
答案解析:有
Coffee was first found by a _______
- A、doctor
- B、farmer
- C、druggist（药剂师）
- D、chemist（化学家）
正确答案:B
答案解析:有
How did the goats react after eating the plants?
- A、They fell asleep.
- B、They could not find their way home.
- C、They started jumping up and down.
- D、They wanted to eat more.
正确答案:C
答案解析:有
Why did the green bean get the name "Kaffa"?
- A、Because Kaldi loved his home village very much.
- B、Because Kaldi's goats loved the green bean very much.
- C、Because the beans were discovered in a place by this name.
- D、Because the beans could be picked and dried.
正确答案:C
答案解析:有
What is the purpose of drinking coffee?
- A、To become more awake.
- B、To become more healthy.
- C、To become more happy.
- D、To become more clever
正确答案:A
答案解析:有
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