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1、Unit 4 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 A1. Dont arrive late for class. You must be on time. 上课不要迟到，你必须准时【解析1】 arrive 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 ( ) Betty arrived_ London _ the morning of June 1st. A. at; in B. at
2、; on C. in; in D. in; on ( ) My father arrived _ Beijing _ a cold morning.A. in; in B. at; in C. in; on( ) 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）
3、( ) 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。 Youll get there just in time . 你会及时到达那儿的。2. Dont fight . 不要打架。【解析】fight fought v 打架 have a
4、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 mus
5、t be Maria. She likes listening _ music and singing. A. Look; with B. Say; to C. Listen; to D. Come; with4. 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 hav
6、e to stay at home and look after her.(2) 否定结构;主语+dont have to+动词原形+ 一般现在时，主语是第三人称单数时用doesnt have to ; 一般过去时，任何主语都用didnt 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.You have to give up smoking . (改为否定句) _.( ) Can you come to my party on Wed
7、nesday? Sorry, I cant . 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) dressv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）Mysonisnowabletodresshimself.我儿子现在自己会穿衣服了。【解析3】puton“穿
8、上、戴上”，强调“穿”“戴”的动作，后接衣服、鞋帽等。Putonyourcoatifyou 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. wear5. 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。 Hes young , but he
9、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, _ its not the most important(最重要的) thing. A. or B. and C. but D. so6. Can we bring music players to school? 我们可
10、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。fetch 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.take 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 te
11、acher asked the students to _ their dictionaries here. A. bring B. take C. carry7. 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. quicklyI翻译下列短语1.在课上_ 2.学校规章制度_3.上学迟_ 4.
12、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 oclock.2. _ (not read)in the sun because its bad for your eyes.3. _（read）in the sun is bad for your health.4. Dont talk_ （loud）at home.5.The teacher told me _ (not be) late again.6. No _（talk） in class.7.Dont _（talk）in class.8 She _（not have）
13、to wear a uniform.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 oclock 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. speaking3. 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 cant help doing
