Unit 5（二）讲义2024-2025学年人教版英语八年级下册

Do nothing by halves. 凡事不可半途而废。 By Miss Xu 任课教师 徐老师 学生姓名 Unit 5 What were you doing when the rainstorm came? Part 1 Key phrases： English Chinese English Chinese go off （闹钟）发出响声 beat sb. in sth. beat against...  在某方面打败某人 拍打…   pick up 接电话；捡起；开车接人 have meaning to  对……有意义 fall asleep 进入梦乡；睡着 remember doing sth.  记得做过某事  die down 逐渐变弱；逐渐消失 Fall  asleep  进人梦乡；睡着  have a look 看一看 make sure 确信;确认 make one’s way 前往；费力地前进 miss the bus 错过公交车 in silence 沉默；无声 Wake up 醒来 take down 拆除；往下拽 In a mess 一团糟 at first 起初 bring... together 使……靠拢 wait for 等待 the Animal Helpline 动物保护热线 break... apart 使……分离 walk by 走路经过 at the time of 在…的时候 important events in history 历史上的重大事件 看头辨身： 1. I was cutting my hair when the s___________________ man passed the door.     2. Ben’s mom was putting some candles and m___________________ on the table.   3.  We were having fun in the p___________________ when the school bell rang.   4. Robert and his friends were c___________________ surprised to hear the news.   5. The news on TV r___________________that there was a rainstorm in the area.   6. The l_______________ in the room is too weak, I can’t see it clearly. 7. The rain was b_______________ heavily against the windows. 8.Are you for or a_______________  the plan? 9.He was very tired, and fell a_______________ after dinner. 10.I don’t understand the word, can you tell me the m_______________ of the word? Keys:1.strange 2.matches 3.playground 4.completely 5.reported 6.light 7.beating 8.against 9.asleep 10.meaning 看我七十二变：   1. I with my sister, sometimes __________________ swimming in the river. (go) 2. He ________________ the film with us last night. (not see) 3. You draw quite well. I think you ___________________ a good painter in the future. (be) 4. One Sunday morning the man upstairs heard the sound of children ______________ in the park. (play) 5. Mother ______________________ vegetables in the garden now. (grow) 6. My father ____________________ some washing when I got home yesterday evening. (do) 7. Somebody knocked on my window when I ________________ TV last night. (watch) 8. Grandma _________________ breakfast while I was doing my homework this morning. (cook) 9. The man downstairs found it very difficult ____________ and he was very angry with the woman upstairs. (sleep) 10. Do you know an English girl ____________________ Jenny? (call) 11.We were climbing up the mountain when it began to rain _________________(heavy).  12.Ben didn’t fall asleep until the wind _________________(die down)at around 3:00 a.m.   13.He had a fight with his best friend, and they walked home in________________ (silent).   14.I was too tired and still sleeping when my alarm _________________( go off).   15.Kate didn’t think her friend was telling the __________________(true) about the event。 Keys：1. go 2. didn’t see 3. will be 4. playing 5. is growing 6. was doing 7. was watching 7. was cooking 9. to sleep 10. called; 11.heavily 12.died down 13.in silence 14.went off 15.truth Part 2 Key Grammar过去进行时 一、定义：过去进行时表示过去某一时刻或者某段时间正在进行或发生的动作，常和过去的时间状语连用。 二、时间标志词： at that time/moment, (at) this time yesterday (last night/Sunday/week…), at+点钟+yesterday(last night / Sunday…), this morning , when / while引导的时间状语从句等。 Eg:(1) This time yesterday Jack was not watching TV. (2) My parents were watching TV at 8:00 last night. 三、构成： 肯定形式：主语+was/were + v-ing 否定形式：主语+was not (wasn't)/were not (weren't)+ v-ing 疑问形式：Was/Were+主语+ v-ing。 四、基本用法： 1. 过去进行时表示过去某一段时间或某一时刻正在进行的动作。   (1) What were you doing at 3 a.m. this morning? (2) While he was waiting for the bus, he was reading a novel.    (3) While we were copying homework, the teacher came in. 2. when后通常用表示短暂性动词；while后通常用表示持续性动词，因此它所引导的状语从句中， 谓语动词常用进行时态。 Eg: When the car exploded, I was walking past it. = While I was walking past the car, it exploded. 3. when用作并列连词时，主句常用进行时态，从句则用一般过去时，表示主句动作发生的过程中， 另一个意想不到的动作发生了。 Eg: I was walking in the street when someone called me. 我正在街上走时突然有人喊我。 五、过去进行时与一般过去时的区别 1. 过去进行时表示过去某一时间或某一时刻动作正在进行； 一般过去时常表示在过去某时发生的动作或存在的状态（包括过去的习惯或动作） Eg: I first met Mary three years ago. She was working at a TV station at that time. 2. 一般过去时往往表示某一动作已经完成，而过去进行时则表示动作在持续或未完成。 Eg: I saw you while you were speaking to the teacher. 练一练 ( ) 1. -- I didn’t see you at the meeting yesterday. Why? -- I _____ for an important phone call at that moment. A. wait B. waited C. am waiting D. was waiting ( ) 2. -- Let's discuss the plan, shall we? -- Not now. I _____ to an interview. A. go B. went C. am going D. was going ( ) 3. I was very angry with John—he _____ when I spoke to him. A. isn’t listening B. hasn’t listened C. didn’t listen D. wasn’t listening ( ) 4. I don’t remember when and where I _____ this umbrella. 　 A. buy B. have bought C. will buy D. bought ( ) 5. I think so. While the police _____ to the bus stop, those two thieves escaped（逃跑）from the spot. A. were driving B. drove C. was driving D. Would drive ( ) 6. Summer holiday is coming. Li Lei with his father _____ to go to Shanghai. A. want B. will want C. wants ( ) 7. I will send you an e-mail as soon as I _____ in Canada. A. arrive B. arrives C. am arriving D. will arrive ( ) 8. -- I have to be off right now. -- What a pity! I _____ you could stay a little longer with us. A. think B. am thinking C. thought ( ) 9. -- I called you at 6 o’clock yesterday evening, but nobody answered. -- I’m sorry. I my friend download the movie Kung Fu Panda Ⅱ when the telephone went off. A. would help B. helped C. was helping 二、完型填空。 A man was on the side of the road for a hitchhiking(搭便车) on a very dark night in the middle of a terrible rainstorm, with no cars on the road. The storm was so strong that the man could hardly see the way. 1 , he saw a car come towards him and stop. The man, without thinking about it, got in the car and closed the door and only then he 2 that there was nobody in the car! The car 3 to move very slowly. The man looked at the road and saw a curve(拐弯处) coming his way. He was very scared. Just before the car hit the curve, a hand suddenly appeared through the 4 and moved the wheel. The man, with greater scare, watched how the hand appeared every time the car was running near a curve. Finally, although 5 , the man opened the door and jumped out of the car. Without looking back, the man ran 6 the storm all the way to the nearest town. Being 7 scared, the man walked into a nearby restaurant and asked for two glasses of Scotch whisky. Then, still shaking with scare, he started 8 everybody in the restaurant about the scary experience he just went through in the car. Everyone in the restaurant listened in 9 and became scared, with hair standing on end, when they realized the man was telling the truth. About half an hour later. two other young men walked into the 10 restaurant and one said to the other, “Hey, there's a stupid(愚蠢的) man who jumped into the car while we were pushing it!” ( ) 1. A. Finally B. Suddenly C. Usually ( ) 2. A. realized B. understood C. guessed ( ) 3. A. began B. stopped C. tried ( ) 4. A. hole B. window C. door ( ) 5. A. tired B. sad C. shocked ( ) 6. A. over B. through C. into ( ) 7. A. clearly B. quickly C. completely ( ) 8. A. asking B. reporting C. telling ( ) 9. A. silence B. quietness C. joy ( ) 10. A. quiet B. same C. famous 三、阅读理解。 Kevin comes from the countryside. He is 12 years old. In order to give him a better education, Kevin's father found a new job in the city and his family had to move there. Kevin was not happy at all. He was worried and scared because the next day would be his first day at his new school. He did not know any of the kids or teachers. He didn't know if anyone would like him. Kevin hoped that he would fit it. At the same time, he thought about his old friends. He missed them very much. He would not see them again for a very long time and he felt sad. At the dinner table that night, Kevin didn’t eat anything. He looked at his food and felt sick. Kevin had many worries about the following day. Neither watching TV nor playing on the computer helped take his mind off them. He kept thinking about the same questions over and over. What if everyone wanted to beat him up? What if his teacher hated him? Kevin went to bed that night with these questions and got very little sleep. In the morning, he got up and put his new uniform on for the first time. He went to school with an empty stomach and hoped that everything would turn out fine. ( ) 1. Kevin’s family had to move to the city because__________. A. his grandparents live there B. they didn’t like living in the countryside C. his father wanted to give him a better education ( ) 2. Kevin felt_______ to move to the city. A. unhappy B. excited C. surprised ( ) 3. Kevin ______ the night before he went to his new school. A. was ill B. didn't sleep well C. went to bed late ( ) 4. Kevin went to school_______. A. with his father B in dirty clothes C. without eating breakfast ( ) 5. Which is right according to the passage? A. Kevin didn't fit in his old school and his teacher didn't like him. B. Kevin watched TV the night before he went to his new school. C. Kevin went to bed thinking a lot about his new school life. 三、十二选十。 walk hungry little instead of I what more boring mean pass how How time flies! My alarm clock wakes me up again, which reminds me __1_____ school. I usually would sleep long, but today is a holiday and I have to be at the pool for swimming practice at a quarter to seven. An hour later, I ride my bike home. On my way home, I saw a car accident, many people crowding there want to know __2 that happened. I know I should be studying German but 3. I walk to my room , lie down on the bed and sleep again. When I open my eyes again, the first thing I see is the alarm clock. It’s 10:40 and I’ll have a basketball class in 4. than 20 minutes. With the help of a shortcut I arrive on time. A bus takes us home, and I see a neighbor 5. her dogs. It’s past noon. We both don’t want to play with 6 . Lunch is “bread”, which my younger brother Richard doesn’t eat. He has part of a cake from the refrigerator. I wonder if I should study German, finish my homework, play chess, read, or sleep. I decide to play computer games for an hour and tell 7. that I’ll work on German later. As time passes fast, Richard and I become more and more 8 . I think I’ll turn off this computer and take him to the park. Then maybe I’ll call on some of my old classmates who can do something 9 with me. Holidays can be a time to learn, a time to play , a time to grow, or a time to sleep. 10 you choose to do with your time, do something you’ll remember! Those are the best memories! Keys：of how instead less walking hunger myself bored meaningful whatever Practice makes perfect 完形填空(1.可以跟学生讨论一下宠物，例如将宠物当成儿子女儿养，给宠物穿衣服穿鞋，出门逛街还有专门的宠物车等。2.可跟学生科普克隆的相关知识，讨论大家对克隆的看法) Dear Dr. Bamford, I know you are a famous scientist who has done great work on cloning(克隆) animals. Please excuse me for writing to you, but I need your     1    . Let me explain. I am a 58-year-old man. I’m very rich. I live in a large house. My wife died three years ago; we didn’t have children. So, am I    2    ? No, because Cindy is with me. Every night we eat dinner together and watch TV, Cindy sits beside me     3     I feel very happy. I’m fascinated(着迷的) with her beautiful green eyes. She’s also very smart. Sometimes she thinks only about herself. But that’s what I    4   about her. She is quite a beautiful Siamese(暹罗语；暹罗人) cat. There is no other cat like her in the whole world. These days I worry about      5    Cindy. She is getting older and older. Cats don’t live    6    humans, of course, so she will die before I do. I can’t imagine my life      7   Cindy. Well, why not get another cat after Cindy dies?     8    ! No, other cat ever replace(替代)her. I have been thinking about this: Clone Cindy. Scientists are able to clone sheep and other animals. They should be able to clone cats without much      9    . Luckily, I am a rich man. I don’t care how much money I will spend cloning Cindy. I think      10    to clone pets. It’s not cloning humans. What do you think? Could you clone Cindy?                                                            Sincerely                                                             A rich man (   ) 1. A. cat B. animal C. help D. money (   ) 2. A. luck B. lonely  C. healthy D. happy (  ) 3. A. But B. or C. for  D. and      (   ) 4. A. like B. hate  C. mind D. stand (   ) 5. A. feeding   B. catching    C. losing    D. training (   ) 6. A. as hard as   B.  as soon as   C. so often as   D. so long as ( ) 7. A. with  B. without C. of D. about (   ) 8. A. Certainly B. Impossible C. Really D. Wonderful (   ) 9. A. difficulty   B. advice      C. hope      D. chance (   )10. A. it’s terrible  B. you aren’t supposed  C. it’s OK   D. you aren’t allowed 1.暹(xiān)罗猫是世界著名的短毛猫，也是短毛猫的代表品种。种族历史暹罗猫原产于泰国(故名暹罗)，在 200多年前，这种珍贵的猫仅在泰国的皇宫和大寺院中饲养，是足不出户的贵族。 2. 关于克隆的设想，中国明代的大作家吴承恩在《西游记》中已有精彩的描述——孙悟空经常在紧要关头拔一把猴毛变出一大群猴子，这当然是神话，但用今天的科学名词来讲就是孙悟空能迅速将自己身体的一部分克隆成自己。从理论上讲，猴子毛含有的蛋白质是指导该部分毛发合成的DNA的部分表达（与其内含子和外显子有关），可以进行逆转录，也就是可以克隆，但是事实上，我们的技术没有先进到这样的地步。 另外一种克隆方法是提取两个或多个人的基因细胞进行组合形成胚胎,出生后的克隆人将有提供基因的几个人的特征。 由于克隆技术是无性生殖所以它并不是根据基因重组、基因突变、染色体变异等原理而发明的技术。虽然克隆很神奇，但是它诱人的地方也就是它最危险的地方。 Do nothing by halves. 凡事不可半途而废。 By Miss Xu 1 学科网（北京）股份有限公司 $$