问题补充：
Coffee has been a part of people’s lives for thousands of years, and today it is still one of the favorite drinks in the world. Many people in the world begin their busy day by drinking a cup of or several cups of coffee. They have always said that a cup of coffee in the morning helps them begin their day in the right way. So they say a cup of coffee is necessary for them in the morning.
Do you know what in the coffee makes our bodies and brains(大脑) active? It is caffeine(咖啡因). Caffeine may increase a person’s mental and physical abilities(精力和体能). For example, two cups of coffee will make you breathe faster and augmentbody heat. All this makes you heart beat faster, and doctors warn that this may be a little dangerous.
Caffeine is found in tea, coffee, chocolate and some other foods. A little caffeine is probably not harmful. But much caffeine can make people nervous and sleepless.
【小题1】A good title for this passage is .A．Coffee Is HarmfulB．Coffee and TeaC．Caffeine and HealthD．Caffeine Is Useful【小题2】 The word “augment “ means .A．increaseB．drinkC．stopD．drop【小题3】 From this passage, we may know that drinking a cup of coffee late at night might .A．give you a headacheB．make you fall sleepC．keep you awakeD．be dangerous【小题4】Caffeine is found in .A．tea and waterB．fish and meatC．coffee and jamD．coffee, tea and some other foodsC
答案：
(答案→)C
解析：文章主要讲了咖啡因对人体的作用。适当进食咖啡因。过多的咖啡因会对人体有害。
1. 此题可以用排除法，A D 选项以偏概全。B项无中生有所以选 C 2. increase 增加 drink 喝 stop 停止 drop 落下所以根据题意选择 A 喝两杯咖啡会是你呼吸加快，体温增加。 3. 根据咖啡因的功能可知选 C 4. 根据文章最后一段可知选 D
