人教版七下unit4课文重难点解析

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Unit4 Don’ eat in class.





课文重难点讲解

【教师寄语】：Care and diligence bring luck. 谨慎和勤奋才能抓住机遇



Section A

Don’t arrive late for class. You must be on time.  上课不要迟到，你必须准时

【解析1】 ⑴arrive v 到达，抵达

  arrive in+ 大地点 /arrive at + 小地点=reach+地点  =get to +地点 到达某地

(  )① Betty arrived____ London _____ the morning of June 1st.

     A. at; in   B. at; on   C. in; in   D. in; on

(  ) ②My father arrived ____ Beijing ___ a cold morning.

A. in; in    B. at; in    C. in; on

(  )③ — When did you ___ there?

      — The day before yesterday.

    A. arrive in    B. get to    C. reach

【注】： 如果arrive/get 后接地点副词( here, there , home等)时， 介词要省略。

       get home 到家   arrive there 达到那里

【解析2】be late for “迟到”（固定短语）

  (   ) Jim is often _____ for school.

       A. late    B. lately    C. later    D. much lately

【解析3】on time/ in time

(1) on time= at the right time “准时，按时”(不早不晚)

   The train came in on time. 火车准时进站

(2) in time 指“及时”， 表示动作在规定的时间内或提前发生。

   You’ll get there just in time . 你会及时到达那儿的。

2. Don’t fight . 不要打架。

【解析】fight →fought  v 打架    have a fight with sb. 和某人打架

3. Listen to music in the classroom or hallway. 在教室或过道上听音乐

【解析】 Listen / hear 辨析

【相同点】：听

  【不同点】

(1) listen 强调听的动作，意为“听”。后接宾语时，必须加介词to.

   Mr. Wu asked students to listen to him carefully.

(2) hear 强调听的结果，意为“听到”。后直接跟宾语。

  I can hear a girl singing.

(   ) — ________! Someone is singing upstairs.

     — It must be Maria. She likes listening ____ music and singing.

     A. Look; with    B. Say; to    C. Listen; to    D. Come; with

4. And we always have to wear the school uniform. 并且我们要一直穿校服

【解析1】have to 不得不  ，后接动词原形，表示由于客观需要不得不作某事

（1）肯定结构：主语+have to +动词原形+…

  一般现在时，主语是第三人称单数时，用has to ;

   一般过去时，任何主语都用had to

My mother is ill, I have to stay at home and look after her.

(2) 否定结构;主语+don’t have to+动词原形+…

  一般现在时，主语是第三人称单数时用doesn’t have to ;

  一般过去时，任何主语都用didn’t have to…

(3)疑问结构：

Do/Does/Did +主语+have to +动词原形

must 必须，应当 表示人的主观看法

  We must finish our homework every day.

①You have to give up smoking . (改为否定句)

   _____________________________________.

(   ) ②— Can you come to my party on Wednesday?

     — Sorry, I can’t . I _____ finish my homework.

      A. may    B. would     C. have to

【解析2】(1) wear v 穿着， 戴着 （强调穿的状态）=be in

宾语可以是衣帽，也可以是饰物、奖章等。

He always wears a red T-shirt.

        (2) dress    v给……穿衣服     宾语通常是人



dress sb. 给别人穿衣服（动作）

dress oneself 自己穿上衣服（动作）　

get dressed 穿上衣服（动作）

       My son is now able to dress himself. 我儿子现在自己会穿衣服了。

【解析3】 put on  “穿上、戴上”，强调“穿”“戴”的动作，后接衣服、鞋帽等。     

       Put on your  coat if you want to go out .         如果你要出去，穿上你的厚冬衣。

(   ) — David, can you ____ yourself?

     — Of course , I can.

    A. dress    B. put on   C. wear

5. This is a great school, but there are a lot of rules. 这是一所很好的学校， 但是有许多纪律

【解析】but/ and/ or 辨析

(1) but conj. “但是，可是” ,表示前后意思的转折。

He’s young , but he plays the piano well.

(2)  and “和，又” 表并列，连接词与词、短语、句子等。

    I bought Linda a present, and she liked it very much.

(3) or “或者” , 表选择关系。

    Can you play the piano or violin?

(   ) Money is very important, _____ it’s not the most important(最重要的) thing.

    A. or   B. and   C. but    D. so

6. Can we bring music players to school?  我们可以带音乐播放器到学校吗？

【解析1】bring/ fetch/ take辨析

(1)bring 是指“带来、领来、取来、送去”。 （从别处从别处往说话人这里拿）

  bring sb/sth to +地点   把某物带到某地

Bring your friend to the party. 请带你的朋友来参加聚会。

⑵fetch 是指“去拿来”，也就是说，既包括“去”的意思，又包括“来”的意思。

Can you fetch me a book.

⑶take 是指 “拿走、取走”。 （指从说话人这里往别处拿）

Take the letter to the post office. 把这封信送到邮局去。

(   )The teacher asked the students to _____ their dictionaries here.

    A. bring    B. take      C. carry

7. Oh，and we also have to be quiet in the library. 哦，在图书馆我们还必须安静。

【解析】be quiet = keep quiet 保持安静。

(   ) Be ______ ! My younger brother is doing his homework.

     A. quiet     B. quietly    C. quick    D. quickly





I．翻译下列短语

1.在课上__________________    2.学校规章制度__________________

3.上学迟__________________    4.在过道__________________

5.听音乐__________________

II、用所给单词适当形式填空

1.She ________（have）to be in bed by ten o’clock.

2. ________ (not read)in the sun because it’s bad for your eyes.

3. ________（read）in the sun is bad for your health.

4. Don’t talk________ （loud）at home.

5.The teacher told me ________ (not be) late again.

6.No ________（talk） in class.

7.Don’t ________（talk）in class.

8 She ________（not have）to wear a uniform.

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Unit4 Don’ eat in class.



课文重难点讲解



Section B.& Self Check



1. on school nights 在上学日的晚上

【解析】1) on 表示具体的某天或某天的上午/下午/晚上  

on a cold winter evening 在一个寒冷的冬夜

2) at 表示某一具体的时刻  at ten o’clock  在10点钟

3) in 表示时间段   in the morning 在早上

2. practice the guitar. 练习吉他

  【解析】practice makes perfect . 熟能生巧

practice doing sth. 练习做某事

(  ) I practice _____ English every day, because I want to improve my oral English.

    A. to say    B. saying    C. to speak   D. speaking

3. help his mom make breakfast. 帮妈妈做早饭

   【解析】help sb.(to) do sth = help sb. with sth 帮助某人做某事

【拓展】 help oneself to sth 随便吃某物

         can’t help doing sth 禁不住做某事

         with the help of sth在某人的帮助之下

(   ①) Healthy food and exercise help _____ to study better.

    A. us    B. we    C. our

(  ) ②Tony often helps her mother _____ the housework on Saturday morning.

    A. to    B. with   C. for    D. of



4. There are too many rules. 有太多的规矩了！

【解析】1)too many 太多 后跟可数名词复数形式

2) too much 太多，后跟不可数名词

3) much too 太 ， 修饰形容词

(   )  Betty has ______  books to read.

      A. too many     B .too much     C .much too    D. too

5. get up now and make your bed! 起床了，把被子折起来！

【解析1】 get up 起床   

【短语】 get on/along with sb. 与某人相处   get off 下车  get on 上车

【解析2】make one’s bed 整理床铺

【短语】 make faces 做鬼脸   make a mistake 犯错     make tea 沏茶  

make sure 确保      make friends with 与……交朋友

(    ) _____ quickly , or you’ll be late for school.

     A. Get up     B. To get up     C. Getting up

6. “ Don’t leave the dirty dishes in the kitchen!” 别把脏碗丢在厨房里

【解析】leave v “搁， 放， 留下”  

  leave sth +介词短语  把 某物遗忘在某地

  I often leave my schoolbag at home.

【拓展】forget v “忘记某物” ,指忘记具体的东西，不能与表示地点的词或短语连用

Don’t forget the tickets and umbrella.

(   ) He always _____ his homework at home.

    A. forget    B. forgets    C. leave   D. leaves

7. I never have fun.我从未开心过！

【解析】have fun = have a good time = enjoy oneself 玩得高兴，过的愉快

have fun doing sth 很开心做某事



单元短语集锦：

1.have to 不得不，必须          2.the Children’s Place 少年宫

3.no talking 禁止讲话            4.be late for class 上学迟到

5.in the hallways 在走廊里        6.listen to music 听音乐

7.after school 放学后             8.sports shoes 运动鞋

9.on school nights 在上学的晚上    10.make dinner 做饭

11.clean the room 打扫房间       12.wash clothes 洗衣服







Exercise :

I. 用所给词的适当形式填空

1. Tina ___________(have) to wash her clothes today.

2. __________(not eat) in the hallways.

3. Can we _________(put) the books in the desk?

4. They had to ___________(go) to the bed before nine o’clock.

5. Tom _______________(not have) eggs for breakfast in the morning.

6. Don’t talk so _____ (loud)! The child is sleeping.

7. Maria,  ___________(do) your homework every day .

8. I enjoy ____________ (listen) to pop music very much.

9. There are too many ___________ (rule) in my school.

10. After dinner, I have to help my sister ____________ (learn)English.

11. She has to go home _________________(make) dinner.

12. His mother always makes him_____________(clean) his room on weekends.

II. 单项选择

(  ) 1. She doesn’t _____ wear a uniform. She can wear a shirt.

A. have to      B. has to      C. /       D. have

(  )2. Don’t listen to music____ class.

A. in          B. on        C. in the    D. for

(  )3. She has ______ rules in her house.

A. too much     B. much too   C. too many D. lot of

(  )4. Mike ____to school very early every day.

A. arrives       B. gets       C. reaches   D. arrive

(  )5. His sister is ill ____for two days.

A. in the bed    B. in bed     C. on the bed  D. on bed

(  )6. A kid____ breakfast every morning, because it’s good for his health.

A. have to      B. has to      C. has to have   D. has to has

(  )7. You can watch TV _________school nights.

A. in           B. on        C. to        D. by

(  )8.-- Do you want _______?     –No, thanks.

A. else anything  B. anything else C. something else D. else something

(  )9.On weekends I go to my grandparents’ home _______them do the cleaning.

A. help         B. to help      C. helped     D. helping

(  )10. It’s raining all day, so I ______stay at home.

A. must         B. have to     C. must to     D. can



(  )11.Be sure to get home____________9 o’clock on Sunday.

A. in           B. on         C. to          D. by

(  )12. I have ________homework to do today.

A. too many    B. too much     C. much too    D. very

(  )13. Don’t talk _______in the reading room. (阅览室)

A. loud        B. loudly        C. low        D. lowly

(  )14. –Can you swim?    --_______. And I’m good at it.

A. No, I can.    B. Yes, I can’t.   C. Yes, I can.   D. No, I can’t.

(  )15. She practices _____ English_____.

A. speaking, everyday    B. to speak, every day

C. saying, everyday      D. speaking, every day

(  )16. There is _____milk on the floor.

    A . too many     B. too much

(  )17. There are ____rules in my family.  

A. too many      B. too much

(  )18. Please help me _____ French.

A. speaking       B speak



单元语法专讲：

语法专讲(一)  ：祈使句

祈使句

通常用来表示命令、请求、禁止、建议、警告等语气。它的主语you(听话人)通常省略。其构成通常有以下几种形式。

1)Be型（即系动词原型be+表语＋其他）。

　　如：Be quiet, please.

　　　　否定句Don’t + be+表语+其他。

　　如：Don’t be angry.

2)Do型（即实义动词原形＋宾语＋其他）。如：

Open you books ,please.

否定句Don’t +实义动词原形+宾语+其他。

　　　如：Don’t eat in the classroom.

3)Let型（即Let+宾语+动词原形+其他）如：

Let me help you.

Let’s go at six o’clock.

　　否定句一般在宾语后加not。如：

Let’s not watch TV.

4)No+ V-ing型（此种形式通常用于公共场合的提示语中，意为“禁止做某事“）如：

No smoking!　严禁吸烟！

No talking! 不许交谈！

No passing!　禁止通行！

No parking!　不许停车



语法专讲(二)  ：情态动词have to 的用法



情态动词have to 的用法，意思是"必须、不得不"，它侧重于客观上的必要和外界的权威。

（1）结构：主语＋have to＋动词原形＋（主语是第三人称单数时，用has to） We have to          （穿）sneakers for gym class. 在体育课上，我们必须穿运动鞋。

Tom has to          （练习） guitar every day. 汤姆每天必须练习弹吉它。

否定形式：

主语＋don't have to do sth. ==== 主语+ needn't do sth.  

常翻译成“ ...没必要做某事，不必...”

（单三人称时，用doesn't have to.  needn't 适合任何主语）

如：Nick                      wear a uniform. 尼克不必穿制服。

We                         do our homework at once. 我们不必马上完成作业

I don't have to go to school today.. ==== I needn't go to school today.

（3）疑问句：Do /Does＋主语＋have to ＋动词原形＋其他

如：     you                stay at home on weekends? 周末你必须呆在家里吗？Yes, I do. / No, I don't.



练习：

一、用所给词的正确形式填空。

1.Please ask your brother _______________(give) me a call this evening.

2.Do you enjoy ______________(listen) to light music?

3.You’d better ______________(not go) out now. It’s too late.

4.Stop _______________(talk) .Let’s begin our class.

5.Don’t forget ______________(bring) your dictionary here.

6.Jeff wants ________________( learn)  how to staff.

7.Would you like _____________(have) a cup of coffee?

二、单项选择

(    )  1.Come in and ______ down, please.

     A. to sit   B. sat   C. sit   D. sitting



(    ) 2.It’s time for class._____ quiet, please.

     A.I s    B. Are   C. Be   D. Do

(    ) 3.Let’s _____ basketball after school.

    A. to play  B. playing  C. played  D. play

(    ) 4._____ sleep too late. It’s not good for your health.

    A. Not    B. No   C. Don’t   D. Can’t

(    ) 5.Let’s _____ in class.

   A. don’t talk   B. doesn’t  talk   C. didn’t talk  D. not talk

(    ) 6.Don’t listen to music ______class.

    A. in  B. on  C. in the  D. for

(    ) 7.Please ______late for the meeting.

    A. aren’t  B. isn’t  C. not arrive  D. don’t arrive

(    ) 8.My parents ______Shanghai last Friday.

A. arrived  B. reached  C. arrived at   D. got

(    ) 9.He _____ stay at home because it was raining hard .

     A. must  B. have to   C. had to      D. has

(    ) 10.Stop ____ .Listen ____ to me, please.

     A. talk; to  B. to talk; at  C. talking; to  D. talking; to