人教版八年级英语上册Unit2 Section A培优讲义（含答案）

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1、 Unit 2 How often do you exercise? Words 1. _ n. 家务劳动；家务事 2. _ adv. 几乎不；几乎没有 3. _ adv. 在任何时候；从来；曾经 4. _ adv. 一次；曾经 5. _ adv. 两次；两倍 6. _ n.（国际）互联网；因特网 7. _ n. 节目 8. _ adj. 忙的；满的；充满的 9. _ n. 摆动；秋千 v.（使）摆动；摇摆 10. _ adv. 大概；或许；可能 11. _ adv. 最小；最少 adj. 美式英语中用 on：on weekends/on the weekend。 表示“在工作日”用 on w

2、eekdays。 2. help with housework 帮忙做家务帮忙做家务 （1）help with sth 意为帮忙做某事。 My little brother often helps with housework at home. 我弟弟经常在家帮忙做家务。 【知识拓展】【知识拓展】 help sb with sth = help sb to do sth 意为帮助某人做某事。 I often help him with his English. = I often help him (to) learn English. 我经常帮他学习英语。 help oneself (to

3、sth) 意为随便吃/喝（某物） ；款待。 Help yourself to some fruit. 随便吃些水果。 cant/couldnt help doing sth 意为情不自禁做某事。 She couldnt help crying. 她忍不住哭了。 （2） housework 为不可数名词， 意为家务劳动； 家务活， 常用短语为： do housework， 意为做家务。 The boy doesnt like doing housework. 这个男孩不喜欢做家务。 Let me _ you _ your English. A. help；with B. to help；for

4、C. helping；with 3. sometimes 有时有时 sometimes 频度副词，意为有时。同义短语为 at times。 I sometimes play computer games. 我有时候玩电脑游戏 【易混辨析】【易混辨析】 sometimes 频度副词 有时 表示动作发生的不经常性，多与一般现在时连用，它可位于句 首、句中或句末，对它提问用 how often。 some times 名词短语 几次；几倍 其中 time 是可数名词，对它提问用 how many times。 sometime 副词 某个时候 表示某个不确切或不具体的时间，常用于过去时或将来时，对

5、它提问用 when。 some time 名词短语 一段时间 表示一段时间，句中谓语动词常为延续性动词。对它提问 用 how long。 Sometimes I get up very late. 有时我起床很晚。 I have read the story some times. 这个故事我读了好几遍。 I will go to Shanghai sometime next week. 下周的某个时间我要去上海。 Ill stay here for some time. 我将在这儿待一段时间。 sometimes，some times，sometime 与与 some time 有时相聚加-

6、s（sometimes） ，几次分开带-s（some times） 。 相聚为某时（sometime），分开一段时间（some time）。 Millie often goes to school by bus but _ her mother drives her to school. A. sometimes B. some times C. sometime D. some time 【答案】A 4. hardly ever 几乎从不几乎从不 hardly ever 相当于 hardly, ever 起强调作用。其中 hardly 用作副词，意为“几乎不/没有” ，它本身具有否 定意义，

7、不能再与其他否定词连用。 She hardly ever eats anything. 她几乎什么都没吃。 Theres hardly any food left. 几乎没有剩下食物。 【易混辨析】【易混辨析】 hardly 与与 hard 用法用法 例句例句 hardly 副词， 意为“几乎不” He hardly works. 他几乎不工作。 hard 用作副词，意为努力地；用 作形容词， 意为 “硬的； 困难的” 。 He works hard. 他工作努力。 There were some hard questions on the exam paper. 试卷中有些难题。 （2015

8、湖北黄冈）How often do you have a school trip this term? . Since several accidents happened to some schools, the school outdoor activities have been asked to stop. A. Always B. Hardly ever C. Sometimes D. Often 【答案】B 5. every day 每天每天 I like you more and more every day. 我一天比一天更加喜欢你了。 He exercises every d

9、ay. 他每天锻炼。 【易混辨析】【易混辨析】 every day 与与 everyday 用法用法 例句例句 every day 副词短语，作状语，意为每 天，相当于 each day。 He reads newspapers every day. 他每天都看报。 everyday 形容词，作定语，意为日常 的，相当于 daily。 The Internet has become part of our everyday life. 互 联网已成为我们日常生活的一部分。 She watches the news _ so that she can learn about peoples _

10、life in other parts of the world. A. everyday；every day B. every day；everyday C. every day；every day 【答案】B 6. once a week 每周一次每周一次 （1）once 用作副词，表示次数，意为一次。次数的表达如下： 次数的表达次数的表达 once 一次 twice 两次 three times 三次 many times 很多次 表达次数很容易，once，twice 单独记， 三次以上有规律，基数词后加 times 就可以。 （2）once 也可意为曾经。 He once lived

11、in America. 他曾在美国生活过。 【知识拓展】【知识拓展】 once 的固定搭配： at once 立即，马上 once again 再一次 once in a while 偶尔地 They watch TV _. A. one a week B. once a week C. one the week D. once week 【答案】B 7. How often do you watch TV? 你多久看你多久看 一次电视？一次电视？ 本句是含有特殊疑问词组 how often 的特殊疑问句。 how often 多久一次，用于对动作发生的频率进行 提问。回答应该是频度副词或表示

12、频率的词组，如 always，usually，often，sometimes，never，hardly，ever every day，once a week，three times a day 等。 How often do you go to the movies? 你多久去看一次电影？ Once a week. 一周一次。 【易混辨析】【易混辨析】 特殊疑问句中与特殊疑问句中与 how 相关的疑问词组用法相关的疑问词组用法 词组词组 词义词义 用法用法 答语特征答语特征 how long 多久 询问时间多长 for/about一段时间 how often 多久一次 询问动作的频率 ofte

13、n， twice a week 等 how soon 过多久以后 询问时间多久（用于一般将来时） in一段时间 how far 多远 询问距离多远 ten minutes walk how many 多少 询问可数名词数量 数词可数名词复数 how much 多少 询问不可数名词数量 数词表示量的词of不可数 名词 多少钱 询问价格 数词货币单位 用用 how long， how often， how soon，how far 完成下列句子完成下列句子 1. _ have you been in China? For three years. 2. _will he back? In five

14、 minutes. 3. _ do you visit you grandparents? Once a week. 4. _ should I throw it? Five metres. 【答案】1. How long 2. How soon 3. How often 4. How far 8. . next week is quite full for me. 我下周相当忙我下周相当忙 full 形容词，此处意为忙的，其同义词是 busy，反义词是 free。 Her life is so full that she doesnt have time for hobbies. 她的生活太

15、忙了，以至于她没有时间培养业余爱好。 【知识拓展】【知识拓展】 （1）full 用作形容词，还可意为满的；充满的，其反义词是 empty（空的） 。常用短语：be full of 意为充满；装满。 The classroom is full of students. 教室里满是学生。 He could only nod because his mouth was full. 他只能点点头，因为他嘴里塞满了东西。 （2）full 用作形容词，还可意为饱的，其反义词是 hungry（饥饿的） 。 I cant eat any more. I am quite full. 我不能再吃了，我相当饱了。

16、 Your garden is _ beautiful flowers. A. full of B. full with C. filled of D. fill with 9. How come? 为什么呢？为什么呢？/怎么会呢？怎么会呢？ How come 相当于“Why?/Why is it?/For what reason or purpose?”, 用于询问某事为什么会发生，或为什么 会有某种情况存在，可单独使用，也可接陈述语序的句子。 How come you didnt tell me about it? 你怎么不告诉我这件事？ How come Tom didnt come t

17、o the party? 汤姆怎么没来参加聚会呢？ 10. Well , how about Tuesday? 那么，周二怎么样？那么，周二怎么样？ How about? (=What about?) 意为“怎么样？” ，用来向对方征求意见或询问情况。 I like vegetables. How /What about you ? 我喜欢蔬菜。你呢？ Its sunny today. How /What about playing tennis? 今天阳光明媚。去打网球怎么样？ Its a fine day today. How about _? Sounds great! A. go hi

18、king B. go to hike C. going hiking D. to go to hike 【答案】C 11. Oh, I have to play tennis with my friends. 噢，我得跟我的朋友打网球。噢，我得跟我的朋友打网球。 have to 意为“不得不，必须” ，其后接动词原形，进行各种句式转换时需借助于助动词。 I have to do my homework now. 我现在不得不做家庭作业。 We dont have to go to school on Sundays. 星期天我们不必上学。 【易混辨析】【易混辨析】 have to 与与 mus

19、t have to 不得不，必须，侧重客观需求 有人称、数和时态的变化 must 必须，侧重于主观上自己认为有 义务、有必要 没有人称和数的变化 Does your mother have to get up early? 你妈妈不得不早起吗？ I must go now. 现在我必须走了。 12. maybe adv. 大概；或许；可能大概；或许；可能 maybe 为副词，意为大概；或许；可能。表示推测，一般位于句首。 Maybe these nutrients are helpful to your health. 或许这些营养品对你的健康有帮助。 Maybe he knows the w

20、ay to the zoo. 也许他知道去动物园的路。 【易混辨析】【易混辨析】 maybe 与与 may be 用法用法 例句例句 maybe 副词，意思是也许，可能，在 句中作状语，相当于 perhaps，常位 于句首。 Maybe/Perhaps the weather will get better. 可能天气会变得好一些。 Maybe you are right and she may be a little late. 或许你说得对，她可能有点晚了。 may be may 是情态动词，be 是动词原形， 两者构成完整的谓语形式，与主语 形成系表结构，意为也许是；可 能是。 Mayb

21、e hes wrong. =He may be wrong. 或许他错了。 He may be in the office. =Maybe he is in the office. 他或许在办公室。 巧记巧记 maybe 与与 may be 合并作状语，分开作谓语。 舍 maybe 仍有意，丢 may be 可不成。 Look at the animal behind the tree. It _ cat. _ you are right. A. maybe；May be B. maybe；Maybe C. may be；Maybe D. may be；May be 【答案】C 13. sta

22、y up 熬夜熬夜 stay up 是固定短语，意为熬夜；不睡觉，与 sit up 同义。stay up late 指熬夜到很晚，迟睡。 He stayed up too late last night. 他昨天晚上熬夜到很晚。 I used to stay up late with my mom and watch movies. 我过去常和妈妈熬夜看电影。 Whats wrong with you, Eric? You look tired. I _ to prepare（准备）for the final exam last night. A. picked up B. woke up C

23、. put up D. stayed up 【答案】D 【解析】pick up 捡起；wake up 醒来；put up 挂起；stay up 熬夜。根据你看起来很疲倦。可知本句应表 示我昨天晚上熬夜准备期末考试了。 14. He plays at least twice a week. least 副词最小； 最少， 形容词最小的； 最少的， least 是 little 的最高级。 短语 at least 表示至少， 其反义短语为：at most 至多。 He has the least money of the three. 这三个人中，他的钱最少。 I study at least f

24、or 6 hours every day. 我每天至少学习 6 个小时。 At least he should say thanks. 他至少应该说声谢谢。 【知识拓展】【知识拓展】 （1）least 还可作副词，与形容词或副词的原级构成最高级，表示最不。 Bruce is the least outgoing of the three boys. 布鲁斯是三个男孩中最内向的。 （2）least 的反义词为 most，其常见的词组为：at most 意为至多。 The book is at most five yuan. 这本书至多五元。 There are _ three thousand

25、people in the park. A. at once B. at all C. at least D. at a least 【答案】C I. 单词拼写单词拼写 1. Tom only uses the _(因特网) on weekends. 2. You can find a _ (秋千) in the park. 3. Sue often helps her mother with _ (家务活动). 4. The cup is _ (满的) of tea. 5. I know my mothers favorite _ (节目) is Animal World. 6. Im no

26、t sure. M_ she is an English teacher. 7. Sam plays soccer at l_ twice a week. 8. Sally often goes to the movies with her parents on w_. 9. My grandma is pretty h_ because of her good eating habits. K 基础基础 10. Im b_ now, so I cant go to the movies with you. II. 选择单词或短语并用其适当形式填空选择单词或短语并用其适当形式填空 ever t

27、wo hardly one exercise 1. How many times did you go to Hong Kong? Only _. 2. Hamburgers are not healthy food so I _ eat them. 3. It is raining harder than _. 4. Does your father often _? Yes. He often runs and plays volleyball. 5. Last year Mary went to Beijing _ the first time in May and the second

28、 time in October. III. 句型转换句型转换 1. I usually play baseball on weekends.(对画线部分提问) _ do you usually _ on weekends? 2. Mike watches TV twice a week.（对画线部分提问） _ _ _ Mike watch TV? 3. Tom does his homework after school.（改为否定句） Tom _ _ his homework after school. 4. We like watching Animal World.（对画线部分提问）

29、_ program do you _ _? 5. Many students play sports every day.（对画线部分提问） _ _ do many studen ts play sports? IV. 根据汉语意思完成句子，每空一词根据汉语意思完成句子，每空一词 1. 你明天有空吗？ _ _ _ tomorrow? 2. 他最喜欢的电视节目是什么？ Whats _ _ TV _? 3. 你喜欢哪种水果？ _ _ _ fruit do you like? 4. 今天下午去游泳怎么样？ How _ _ _ this afternoon? 5. 现在萨利正忙于学摇摆舞。 Sally

30、 is busy learning _ _ these days. V. 单项选择单项选择 1. When do you , Frank? . A. exercise;On weekends B. exercises;On weekend C. exercises;On weekends D. exercise;On weekend 2. Dont _too late，or you will feel tired in class tomorrow. I wont，Mom.Good night! A. wake up B. get up C. stay up 3. He wants me _

31、him _ his English. A.to help；with B.help；to study C.helping；with D.to help；studying 4. The kidnapping in West Town between 8 p. m. and 9 p. m. yesterday. A. took place; sometimes B. was taken place; some time C. was happened; some times D. happened; sometime 5. I cant find my CDs. _ you put them in

32、that bag. A. Must B. May be C. Maybe D. Can 6. My brother works_. Yes, so he _ ever plays computer games. A. hard; hardly B. hardly; hard C. hard; hard D. hardly; hardly 7. Tina goes to the movies at least _ a month. She loves movies very much. A. twice B. second C. two D. secondly 8. If you want to

33、 improve your _English, you should practice it _ A. every day; everyday B. everyday; every day C. everyday; everyday D. every day; every day 9. _do your parents and you go to visit your grandparents? Once a week. A. How long B. How fast C. How often D. How soon 10. How about _ after dinner? Good ide

34、a. A. danced B. dances C. to dance D. dancing I. 完形填空完形填空 Ted exercises every day after school. He usually 1 basketball with his classmates in the school. Sometimes he plays games. His 2 game is playing cards. He 3 goes home before 7:00 p.m. His mother often says he 4 have supper on time, so she hop

35、es Ted can 5 home at 5:50 p.m. Ted says he is very 6 . He drinks milk in the morning, eats vegetables 7 noon and fruit in the afternoon. He usually 8 supper at 7:15 p.m. Then he does his homework. 9 he goes to bed, he always watches TV for half an hour. He 10 he has a healthy lifestyle. 1. A. play B

36、. plays C. played D. is playing 2. A. best B. favorite C. worst D. bad 3. A. often B. usually C. always D. hardly ever 4. A. can B. could C. shall D. should 5. A. get B. get to C. arrive in D. reach at 6. A. happy B. sad C. healthy D. unhealthy K 能力能力 7. A. in B. in the C. at the D. at 8. A. do B. d

37、oes C. has D. have 9. A. When B. Before C. After D. While 10. A. hopes B. thinks C. looks D. sees II. 短文填空短文填空 从方框中选择合适的单词填空，使短文通顺、连贯。 exercise twice together get up enough fun important for like until Everyone knows that exercise is 1. . We need to exercise. Doctors say it is good 2. us. It keeps o

38、ur bodies strong. When the daytime comes, we must 3. . This is the time for exercise. Exercise means doing things with the body. There are many ways to 4. . You can walk, run, swim, skate, or play ball games. Make sure you excise in the following ways: you have to 5. what youre doing. Exercise 6. bu

39、t not too much. It is good to exercise 7. a week. Thirty minutes each time is enough. Try all kinds of things 8. you find one, two or three sports that feel right for you. Exercise can be 9. . Friends can exercise 10. at fitness center, or they can play sports together. How do you exercise? . 阅读单选阅读

40、单选 There is an old saying：Early to bed and early to rise makes a man healthy，wealthy and wiseIt means we should go to bed early and get up early next morningBy doing this，we will be in good healthAnd well be rich and clever It is true that our bodies need to have a ten-hour sleep every night Those w

41、ho do not have enough sleep cant do their work wellThey will not be clever and they may not be wealthy in the future. The body needs exercise as wellWalking，running，jumping，riding bikes and playing games are all exerciseExercise helps to keep the body strong and fitIt also helps the blood(血液)to move

42、 around inside the bodyThe blood takes food to all parts of the bodyThe head needs blood，tooSo exercise helps people to think better 1. What does the word “rise” mean? A. To do exercise B. To get up C. To stand up D. To put up 2. If children dont sleep for 10 hours，they may _ A. not be late for scho

43、ol B. become wise C. do badly in their work D. become rich 3. A person needs exercise because _ A. it makes him healthy B. he has a lot of work to do C. he is strong D. he does exercise 4. Which of the following is NOT true? A. Exercise is goodor peoples sleep B. Its good for you to go to bed early

44、and get up early C. If you have enough blood，you will be wise D. A student should have 10 hours sleep a day 5. “Wealthy” here means _ A. healthy B. rich C. strong D. happy 1.（2018山东滨州卷）I could control my feelings at the moment. The song brought back so many childhood memories. A. hardly B. really C.

45、 clearly D. nearly 2. （2016山东滨州卷）Can you catch what I said？ Sorry, I can _ understand it because you speak very quickly. A. almost B. probably C. mostly D. hardly 3.（2016湖南邵阳卷）_ do you visit your grandfather? Once a week. A. How many B. How soon C. How often 4.（2016天津卷）You can buy almost everything

46、_ the Internet, and its very easy. A. into B. for C. at D. on K 真题真题 5.（2015湖北黄冈卷）How often do you have a school trip this term? _ Since several accidents happened to some schools, all the school outdoor activities have been asked to stop. A. Always B. Hardly ever C. Sometimes D. Often K 基础基础 I. 单词拼

47、写单词拼写 1. Internet 2. swing 3. housework 4. full 5. program 6. Maybe 7. least 8. weekends 9. healthy 10. busy II. 选择单词或短语并用其适当形式填空选择单词或短语并用其适当形式填空 1. once 2. hardly 3. ever 4. exercise 5. twice III. 句型转换句型转换 1. What；do 2. How often does 3. doesnt do 4. What；like watching 5. How often IV. 根据汉语意思完成句子，每

48、空一词根据汉语意思完成句子，每空一词 1. Are you free 2. his favorite；program 3. What kind of 4. about going swimming 5. swing dance V. 单项选择单项选择 2. C【解析】句意：不要熬夜太晚，否则明天课堂上你会感到累。我不会，妈妈，晚安！A. wake up 醒来；B. get up 起床； C. stay up 熬夜；根据 you will feel tired in class tomorrow 可知是熬夜；故选 C。 3. A【解析】本题考查 want 和 help 的用法。want sb.

49、to do sth 想要某人做某事及 help sb.(to)do/with sth.帮助 某人做某事为固定用法。 4. D【解析】句意：这起绑架昨天晚上 8 点到 9 点之间的某个时候发生在西城。took place 发生，是过去式 形式；was taken place 是被动语态，形式错误，take place 和 happen 都是发生的意思，都不能用于被动 语态，故排除 B 和 C。sometimes 有时候；some time 一段时间；some times 一些次；sometime 某时。根 据句意可知，绑架发生的时候并不是很确定，所以是 8点到 9点之间的某个时候，故应选 D。

50、5. C 【解析】 must 为情态动词， 意为必须； can 为情态动词， 意为可以； maybe 为副词， 意为也许， 常放在句首表推测；may be 意为可能是。根据下句句意也许你把它们放在那个包里了。可 知选 C。 8. B【解析】句意“如果你想提高你的日常英语，你应该每天都练习它”。everyday 形容词，日常的；平常的。 every day 副词，每天，天天。根据句意，故选 B。 9. C【解析】句意：-你父母和你多久去看望你祖父母一次？-一周一次。A. How long 多长，询问事物的长度 或一段时间；B. How fast 多快，询问速度；C. How often 多久一次