《2025年精彩练习就练这一本九年级英语全一册人教版评议教辅》

五 完形填空
People spend almost a third of their lives doing one thing: sleeping. Every year there is a day for people around the world to celebrate—World Sleep Day, which reminds people of the 1 of good and healthy sleep.
Sleep is like food for the 2. A good amount of sleep helps the body and brain grow and 3. People of different 4 need different amounts of sleep. According to the National Sleep Foundation in the US, 5 need seven to nine hours of sleep every night. For students aged 10 to 17, the 6 amount is about eight to nine hours per night.
7, many students don’t get enough sleep because of early school start times and too much homework. The China Youth and Children Research Center reported that about 80 percent of middle school students don’t get 8 sleep.
A lack of sleep can 9 influence a person’s life. Students who don’t get enough 10 may get poor grades. They cannot 11 in class or do well in sports.
To solve this problem, scientists advise that students should have 12 schoolwork and more time to sleep. There are some other ways to help people get enough sleep, such as 13 a 20 - minute nap during the day. Good sleep habits are also 14. For example, try to go to sleep and wake up at the same time every day, 15 on weekends and during holidays.
( A)1. A. importance B. hobby C. difference D. habit
( B)2. A. arm B. brain C. leg D. face
( C)3. A. disappear B. discover C. develop D. deal
( C)4. A. countries B. names C. ages D. jobs
( D)5. A. doctors B. parents C. scientists D. adults
( D)6. A. impossible B. bad C. difficult D. healthy
( D)7. A. Luckily B. And C. Also D. However
( C)8. A. expensive B. short C. enough D. many
( B)9. A. loudly B. greatly C. hardly D. mostly
( A)10. A. sleep B. food C. homework D. money
( D)11. A. play jokes B. talk with C. make notes D. pay attention
( C)12. A. more B. much C. less D. fewer
( B)13. A. making B. taking C. catching D. sleeping
( B)14. A. harmful B. helpful C. thankful D. large
( A)15. A. even B. just C. hardly D. ever

答案： 1.A 2.B 3.C 4.C 5.D 6.D 7.D 8.C 9.B 10.A 11.D 12.C 13.B 14.B 15.A