Most people will tell you that they can’t work without a cup of coffee in the morning. Research has shown that a cup of coffee does give a person slight excitement.

Legend said that Kaldi, an Ethiopian, found his goats happier while enjoying coffee plants. Curiously, he tasted the leaves and began to dance around. Whether the Legend was true or not, the discovery of coffee dates back to 800A. D. Soon Arabians were roasting coffee beans. Muslims were drinking coffee to stay awake by 1000 A.D. A merchant from Venice introduced coffee to Europe in 1615. By 1696, the Dutch started growing the coffee bush in Java. By 1723, coffee plants were introduced to the Americans. Today, coffee is the most popular drink in the world.
Caffeine is the major chemical in coffee. It blocks(阻止) adenosine, a chemical that makes you sleepy. People can get a pick-me-up or stimulation(刺激) from the drink. The stimulation does not last long. Caffeine poisoning can occur if more than 400 milligrams of caffeine is drunk in a short period, which is about four to five cups of coffee. Caffeine will also cause sleep difficulty, so it should not be drunk before bed.
Caffeine has many advantages. Studies have shown that it helps improve some skills in elderly women. Women who drank three cups of coffee daily scored higher on memory tests than women who drank one cup of coffee. According to newser.com, one cup of coffee a day protects the brain. Coffee also can help people keep away from many diseases according to webmd.com.
Large amounts of coffee can cause nervousness, worries and a fast heartbeat. However, if you mix coffee with milk, it’s fine. Caffeine can be addictive like any drug. The more you drink, the more you depend on it. For some people, just one cup of coffee a day is OK.
小題1:Who found the most popular drink in the world according to the Legend?
A．An Ethiopian.B．Arabians.C．Muslims.D．The Dutch.
小題2:When was the coffee introduced to Europe?
A．In the 1710s.B．In the 1610s.C．In the 1690s.D．In the 1720s.
小題3:From the third paragraph we can learn ___________.
A．caffeine can make people sleepy
B．a(chǎn)denosine can make people awake
C．a(chǎn)bout four to five cups of coffee will cause sleep difficulty
D．coffee is considered harmful if it is taken in a large amount
小題4:The fourth paragraph mainly tells us ___________.
A．the importance of coffeeB．the good effects of coffee
C．the bad effects of coffeeD．the development of coffee
小題5:If you like drinking coffee, you had better_______.
A．drink it before bedB．give up this bad habit
C．drink one cup of coffee a dayD．drink more coffee than milk

小題1:A
小題2:B
小題3:D
小題4:B
小題5:C

試題分析：這篇短文主要介紹了人們喜歡的咖啡。據(jù)說咖啡是一個埃塞俄比亞人發(fā)現(xiàn)的，在1615年威尼斯的商人把它傳到了歐洲�？Х扔性S多的優(yōu)點，但大量飲用卻對人體有害。
小題1:細節(jié)理解題。根據(jù)短文第二段Legend said that Kaldi, an Ethiopian, found his goats happier while enjoying coffee plants. Curiously, he tasted the leaves and began to dance around描述可知是Kaldi，一個埃塞俄比亞人發(fā)現(xiàn)了咖啡這種飲料的作用，故選A
小題2:細節(jié)理解題。根據(jù)第二段A merchant from Venice introduced coffee to Europe in 1615. 1615年來自威尼斯的商人將咖啡介紹到歐洲，故選B。
小題3:歸納總結(jié)題。根據(jù)第三段描述咖啡因是咖啡中的主要化學(xué)物質(zhì)，它會讓人昏昏欲睡，如果過量食用會中毒，咖啡因還會造成睡眠困難。即過量飲用咖啡是有害的，故選D。
小題4:歸納理解題。根據(jù)第四段的主題句Caffeine has many advantages.故選B。
小題5:細節(jié)理解題。根據(jù)最后一段For some people, just one cup of coffee a day is OK.描述，可知一天一杯咖啡就正好。故選C
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