Choose the correct answer: a, b or c, according to the text. (8 marks) 1. The amount of sleep a person needs depends on a. the food they eat b. how much they can get c. the individual d. the jobs they do 2. Having a bad night affects how clearly a person can think and this could be a. dangerous b. irritating c. a sign of depression d. ineffective in the long run 3. Most parents with babies lose hundreds of hours of sleep in the first a. decade b. life stage c. three years d. 12 months 4. Sleep problems can lead to very serious, long-term a. body problems b. immunity to many kinds of diseases c. lack of growth hormones d. mental and physical illnesses ( ( 5. People who are exhausted feel pain a. but they will recover as they grow older b. more than people who are not tired c. and this makes them sleep more d. all the time 6. a. two b. three c. four d. five specific problems are mentioned in relation to the effects of lack of sleep on a person's appearance: 7. The number of hours of sleep needed falls 수 a. as you get used to less b. as an adult c. when you are a teenager d. as a young baby 8. Research suggests that teenagers might do better at school if a. it finished earlier b. classes were fewer c. it started later d. school hours were shorter
