阅读理解。 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 coffee 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 active? It is caffeine (咖啡因). Caffeine may increase a person's mental and physical abilities (精力和体力). For example, two cups of coffee will make you breathe faster and augment body temperature. All this makes your 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 too much caffeine can make people nervous and sleepless. 1. The underlined word 'augment' means ______. [     ] A. make more B. drink C. stop D. make less 2. From this passage, we may know that drinking a cup of coffee late at night might ______. [     ] A. give you a headache B. make you fall asleep  C. keep you awake D. may be dangerous 3. Caffeine is found in ______. [     ] A. tea and water  B. chocolate, meat and some other foods  C. coffee and cream  D. coffee, tea, chocolate and some other foods 4. Which of the following is NOT true? [     ] A. Coffee has been a part of people's lives for thousands of years.  B. Caffeine does no harm to our body.  C. Two cups of coffee will make you breathe faster and increase body temperature.  D. Caffeine may increase human's mental and physical abilites. 5. A good title for this passage is ______. [     ] A. Coffee Is Harmful B. Coffee and Tea  C. Caffeine and Health D. Caffeine Is Useful