题目内容
根据短文内容填空。
Coffee has been a part of people's lives for thousands of years, and today it is still one of the most
popular d______ (1) in the world. Many people in the world b______ (2) their busy day by
drinking a cup of coffee. They think that a cup of coffee in the morning helps them begin their day in the
r______ (3)way. So they say a cup of coffee is n______ (4) for them in the morning.
Do you know what is in the coffee that makes our bodies and brains active? It is caffeine. Caffeine
may i______ (5) a person's mental and physical abilities. For example, two cups of coffee will make
you b______ (6) faster and augment (增大) body heat. All this makes your heart b______ (7) faster,
and doctors warn that this may be a little d______ (8) .
Caffeine is f______ (9) in tea, coffee, chocolate and some other foods. A little caffeine is probably
not h______ (10) . But too much caffeine can make people nervous and sleepless.
popular d______ (1) in the world. Many people in the world b______ (2) their busy day by
drinking a cup of coffee. They think that a cup of coffee in the morning helps them begin their day in the
r______ (3)way. So they say a cup of coffee is n______ (4) for them in the morning.
Do you know what is in the coffee that makes our bodies and brains active? It is caffeine. Caffeine
may i______ (5) a person's mental and physical abilities. For example, two cups of coffee will make
you b______ (6) faster and augment (增大) body heat. All this makes your heart b______ (7) faster,
and doctors warn that this may be a little d______ (8) .
Caffeine is f______ (9) in tea, coffee, chocolate and some other foods. A little caffeine is probably
not h______ (10) . But too much caffeine can make people nervous and sleepless.
1. drinks 2. begin 3. right 4. necessary 5. increase
6. breathe 7. beat 8. dangerous 9. found 10. harmful
6. breathe 7. beat 8. dangerous 9. found 10. harmful
练习册系列答案
相关题目