Unit 2 Lesson 3 Section B （1a-4） 课时作业 -2024-2025学年人教版英语八年级上册

Lesson 3 Section B （1a-4） 一、根据语境或提示完成句子 1．The best way to relax is through (通过) exercise.It's good for our body. 2．Sleeping early and getting up early is good for our health. 3．Watching television too much is bad for your eyes. 4．Thirty－five percent of the students often stay up. 5．Although the little boy is only five years old, he can sing many songs. 6．I don't want to answer such (这样的) a strange(奇怪的) question. 7．It's raining hard.However, none of them take an umbrella. 8．Do you know the result (结果)of the football match? 9．It's good for people to go to the dentist often for teeth cleaning. 10．He has all kinds of good ideas in his mind (头脑)． 二、语法选择 Hello, my name is Tom.I love sports very much.I always run for half 1 hour in the park.Many people do exercise there, too.After school, I usually 2 football with my friends.We often practice playing football on the field 3 a week.Now I can play it very well.I think it can help me a lot 4 my health and my study.But my mother doesn't want me to play it too 5 ．She just wants me 6 more books.She hopes that I can get better marks.I don't agree with her.Playing football helps me know 7 teamwork is.It also makes me stronger and healthier. Tom is my cousin.He also likes 8 ．He often plays basketball after finishing his homework every day.Look! Many boys are riding bikes now.They are having a match about riding.The boy in white is my friend Jack.He is so cool! But he often ate junk food before and has a sweet tooth, 9 he has to go to the dentist.The dentist tells 10 not to eat too much sweet food.Now he lives a healthy life. (　A　)1．A．an B．a C．the (　A　)2．A．play B．am playing C．played (　C　)3．A．two B．second C．twice (　A　)4．A．with B．in C．at (　C　)5．A．most B．more C．much (　B　)6．A．read B．to read C．reading (　A　)7．A．what B．why C．how (　B　)8．A．sports' B．sports C．sport (　C　)9．A．because B．but C．so (　B　)10．A．his B．him C．he 单元巩固 一、阅读理解 B “Early to bed and early to rise makes a man healthy, wealthy and wise(聪明的)．”This is an old English saying.It means that we should go to bed early at night and get up early in the morning.If we do，we shall be healthy.We shall also be rich and clever. Is this true？Maybe it is.The body must have enough sleep.Children need ten hours' sleep every night.If you go to bed late，you can't have enough sleep.Then you can't think carefully and your homework will be wrong.You will not be wise and you may not become wealthy! Some people go to bed late at night and get up late in the morning.This is not good for them.We should sleep at night when it is dark.The dark helps us sleep well.When the daylight comes，we should get up.This is the time for exercise.If the body is not used，it will become weak(虚弱的)．Exercise keeps it strong. Exercise helps the blood(血液)to move around inside the body.Blood takes nutrition(营养)to all parts of our bodies.The brains also need blood.We think with our brains.If we keep our bodies healthy，and take exercise，we can think better! Our bodies also need air to breathe(呼吸)．Without air we will die.Get up early in the morning and we can have a lot of clean，fresh air.That will keep us healthy and happy. (　D　)1.What does the underlined word“wealthy” in Paragraph 1 mean? A．Successful. B．Happy. C．Young. D．Rich. (　B　)2.A child needs at least 　　 hours' sleep every night according to the passage. A．7 B．10 C．9 D．8 (　D　)3.What takes nutrition to our brains? A．Air. B．Sleep. C．Exercise. D．Blood. (　A　)4.Which of the following is NOT true? A．The more sleep you have，the cleverer you are. B．Enough sleep makes you think carefully. C．Dark is good for sleeping. D．People will die without air. (　B　)5.What does the passage mainly about? A．How to make more money. B．It is important to go to bed and get up early. C．When we should get up. D．To stay up late. C 配对阅读。左栏是对五个人的生活习惯的描述，右栏是七条建议。请为每个人选择一条合适的建议。 A．Sleeping after meals is a bad habit.Going for a walk after meals can help us keep fit and healthy. B．Water is healthy for our body.Scientists say we should drink at least 5 cups of water a day. C．We all need to exercise.Walking more and driving less is a healthy way to live.It makes your mind and body strong.It also gives you more energy(能量)． D．We have fun playing on the computer.But we should protect(保护) our eyes carefully.We should let them have a rest every one hour. E．Swimming in summer is really cool.But you shouldn't go swimming after eating or when you feel very hot. F．Many people died from smoking.Smoking hurts our body, and we should get away from it. G．Fast food tastes good, but they are junk food．We should have good eating habits and eat more fruit and vegetables. (　B　)6.My sister likes drinking Coke and coffee very much, but she doesn't like drinking water. (　C　)7.Mr.Smith can't exercise in the morning because he must go to work at seven o'clock.The Smiths try not to use their car. (　A　)8.Tony likes staying in bed.And he always goes to sleep after meals. (　G　)9.Amy loves fast food very much.She likes to eat at KFC or McDonald's. (　D　)10.Tom likes playing online games.He wants to play after school every day, but his parents only let him play games for two hours on Sunday afternoon. 二、短文填空 How do you spend your free time? I think doing sports is the best 1．way.There are many kinds of sports, such 2．as skiing, fishing, climbing, hiking, and cycling.We can 3．also do sports in the house.There are also some water sports, such as swimming 4．and diving(跳水)． I think ball games are the most popular games in the world.5.In autumn, American football begins.Millions of(数以百万计的) people like to watch 6．it on TV to cheer for their favorite teams.But some people don't think watching American football is a good way to 7．spend their free time.They think if their favorite teams can't win 8．the game, they will feel sad.This kind of feeling is so strong that it isn't 9．good for health. Some people think reading books is the best way to spend their free time.10．When they read books, they can be quiet and happy.What is your way to spend your free time? 三、回答问题 I like going to the movies, and I often go shopping with my friends.But my brother Nathan doesn't go out much.He likes chatting(聊天)with his friends and plays computer games.I don't use the computer a lot.I don't think it is a good habit to play computer games a lot.I have a new guitar and these days I'm learning to play it.I go to the guitar class every Friday afternoon. —Jenny These are my good habits.I always get up early on Saturdays because I like weekends.I often go to concerts(音乐会)on Saturday nights with Nick, my friend.We're crazy about music.On Sunday nights, I always stay at home and do my homework.After that I watch my favorite music program on TV, but I don't go to bed late because school starts early on Monday morning.I usually sleep for nine hours. —Carl I go out and meet my friends on the weekend.We sometimes go to the cinema.I like traveling to interesting places.My friends and I go out of the city and we go camping twice a month.When I'm at home, I usually draw pictures.I never use the computer at home.I usually sleep for eight hours.It is a good habit for me. —Cindy 1．Who likes to stay at home and use the computer? Nathan (likes to stay at home and use the computer)． 2．What is Jenny learning to do these days? She/Jenny is learning to play the guitar these days. 3．Why doesn't Carl go to bed late on Sunday nights? Because school starts early on Monday morning. 4．When does Cindy go out with her friends? She/Cindy goes out with her friends on the weekend./On the weekend. 5．How often does Cindy go camping with her friends? She/Cindy goes camping with her friends twice a month./Twice a month. 以下是对上述内容的解析： **一、根据语境或提示完成句子** 1. “through”表示“通过”，“exercise”是名词，“通过锻炼”用“through exercise”。 2. “Sleeping early and getting up early”作主语，动名词短语作主语时，谓语动词用单数，“is”符合；“be good for”表示“对......有益”。 3. “Watching television”是动名词短语作主语，“is bad for”表示“对......有害”。 4. “percent”表示“百分之......”，“thirty-five percent”后接“of + 名词”，“stay up”表示“熬夜”。 5. “Although”引导让步状语从句，表示“虽然，尽管”。 6. “such”表示“这样的”，后接名词。 7. “However”表示“然而”，表转折。 8. “result”表示“结果”。 9. “It's good for sb. to do sth.”表示“对某人来说做某事是好的”，“go to the dentist”表示“去看牙医”。 10. “in one's mind”表示“在某人的头脑中”。 **二、语法选择** 1. A ：“half an hour”表示“半小时”，“hour”是以元音音素开头，用“an”。 2. A ：“usually”是一般现在时的标志，主语是“I”，用动词原形“play”。 3. C ：“twice a week”表示“一周两次”，“twice”表示次数。 4. A ：“help sb. with sth.”表示“在某方面帮助某人”。 5. C ：“too much”表示“太多”，修饰动词“play”。 6. B ：“want sb. to do sth.”表示“想要某人做某事”。 7. A ：“what teamwork is”表示“团队合作是什么”。 8. B ：“like sports”表示“喜欢运动”，“sports”表示“运动”。 9. C ：“ate junk food before and has a sweet tooth”导致“has to go to the dentist”，用“so”表示结果。 10. B ：“tell”是动词，后接宾格“him”。 **单元巩固** **阅读理解 B** 1. D ：“wealthy”在文中与“healthy”和“wise”并列，结合语境，应是“富有”的意思，与“rich”相近。 2. B ：文中提到“Children need ten hours' sleep every night.”，孩子每晚需要十小时睡眠。 3. D ：文中提到“Blood takes nutrition to all parts of our bodies. The brains also need blood.”，血液给大脑提供营养。 4. A ：文中强调要有足够的睡眠，但不是睡得越多就越聪明，A 选项说法错误。 5. B ：文章主要论述了早睡早起的重要性。 **阅读理解 C** 6. B ：妹妹不喜欢喝水，建议是多喝水，B 选项符合。 7. C ：史密斯先生不能早上锻炼，建议是多走路少开车，C 选项符合。 8. A ：托尼饭后睡觉，建议是饭后散步，A 选项符合。 9. G ：艾米喜欢快餐，建议是要有好的饮食习惯，G 选项符合。 10. D ：汤姆喜欢玩电脑游戏，建议是注意保护眼睛，D 选项符合。 **短文填空** 1. way ：“the best way”表示“最好的方式”。 2. as ：“such as”表示“例如”。 3. also ：“also”表示“也”，说明除了户外运动，室内也能运动。 4. and ：连接“swimming”和“diving”，表示并列的水上运动。 5. In ：“In autumn”表示“在秋天”，用于季节前。 6. it ：指代“American football”。 7. spend ：“a way to do sth.”表示“做某事的方式”，“spend”表示“度过”。 8. the ：“the game”表示特指这场比赛。 9. good ：“be good for”表示“对......有好处”。 10. When ：引导时间状语从句，“When they read books”表示“当他们读书时”。 **回答问题** 1. Nathan likes to stay at home and use the computer. - 从文中“But my brother Nathan doesn't go out much. He likes chatting with his friends and plays computer games.”可以得出。 2. She is learning to play the guitar these days. - 文中提到“I have a new guitar and these days I'm learning to play it.” 3. Because school starts early on Monday morning. - 文中“but I don't go to bed late because school starts early on Monday morning.”给出了原因。 4. She goes out with her friends on the weekend. - 文中“I go out and meet my friends on the weekend.”说明了时间。 5. She goes camping with her friends twice a month. - 文中“My friends and I go out of the city and we go camping twice a month.”明确提到了频率。 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $$