Chapter 3——homework

Chapter 2 Our Daily LifePart One New words and warming upTeaching contents1. To learn by heart 18 new words in Chapter 2;2. To learn to describe people’s daily life and regular activities.Main pointsDescribe people’s daily lifeDifficult pointsTo remember the phrases about daily lifeTeaching aidsPPT and black boardTeaching proceduresStep 1: new wordslet stu. to read the new words(18) and the teacher should make some explanations when it’s necessary to help stu. learn the words by heart as soon as possible.To start with, let’s first go to page 85 to go over the vocabulary for this chapter. Read them aloud to the tape and try to learn them by heart.Words challege:Now we are going to challege one another. I’ll read some clues to you, try to te ll me which word it is as quickly as you can.a. A noun— wooden musical instrument with strings and a bow violinb. A noun—a teenager or young adult who is very good or quick at doing somethingwhizz-kidc. A verb— get, receive, succeed in doing something achieved. A noun— customer; someone who buys something or uses a service clientverb—talk about something discussf. A noun—a person who controls a business or part of it. managerg. A noun—the person (in a pany) who looks after the money and keeps the financial records accountanth: in the morning a.m.i: in the afternoon p.m.j: help sb. do sth. assistk: go to attendl: a pany businessStep 2: warming-up by looking at the picturesLook at the pictures and to know the phrases about daily life describing on the picturesThen ask the students what do they do every day, every week(use phrase)show PPT to students when they answer the questions（the phrases about daily life describing）Step 3: work in pairs to describing Ss’ daily lifelet’s Ss work in pairs to describe What kind of things do they do every day? What kind of things do they do once or twice a week? And what kind of things do they never do?write these patterns on the blackboard:I……every day.I……once or twice a week. I never ……(Encourage students to speak up their daily activities as many as possible.)e.g. A: What kind of things do you do every day?B: I clean my teeth, wash my face and hands, make a telephone to my parents, watch television, go to school, do my homework every day.A: What kind of things do you never do every day?B: I never play the piano, ride a bike, go to the supermarket, argue with other classmates, e to school late.A: What kind of things do you do once or twice a week?B: I eat fish, play tennis, play puter games, go to the concert, eat chocalates, take a bus onceor twice a week.Step 4: Homework1. Preview the Reading in Chapter 2;2. Learn the new words by heart.Part Two Reading (1)Teaching contents:1．How to describe our everyday activities and how often we do things.2．The daily life of a ‘whizz-kid’ studentMain pointsRead the text and abstract the important information from the textDifficult pointsChange the information into chartTeaching aidsmultimedia, tape-recorder, PPTTeaching produceduresStep 1: leading-inAsk the students when they usually get up in the morning, when they go to school and so on . Then lead in the topic of this chapter ‘ Our Daily Life’. And show them some pictures and let them do the ‘ask and answer’ activity.Which of these things do you do every day / do once or twice a week / never do?Step 2: pre-readingLet students talk about their daily life, and then pare with the life of Wendy (look at the picture). Step 3: while-readinga. Skim the text and use one sentence to abstract the main idea of the text.b. Scan the text and to get the main idea of each paragraph, finish this chartP1 Wendy describes her school. She finds some school work easy but boring.P2 At lunch-time she sometimes has lunch with a business client.P3 Wendy describes her morning routin and the background to her family puterbusiness.P4 Wendy’s driver takes her to school in her own car.P5 In the evenings she works on her puter games.P6 Wendy describes her after-school activities.c. Read the text again and find the facts. Turn to page 18 plete the list with information that Wendy gives us in her article. Write only notes (one to three words or figures) for each answer.1. What she writes puter games2. when she gets up 6 a.m.3. How she gets to school 7.30 a.m4. How she gets to school in her car5. What she does on the way makes phone calls6. Her usual grade at school A7.when she goes to puter Club Friday8.when she has dinner 7 p.m.9.Her work after dinner writing puter games10.when she goes to bed 11 p.m.Step 4: post-readingAsk the students to read the passage again and do the exercises on page 19 in the book.Step five: summary1.how to talk about our regular activities we do every day or every week / month2.what does Wendy do every day?Step 6: homeworkExercise book page 13-14Do a survey of “how often do you…” (see in PPT)Part Three Reading (2)Teaching contentsLanguage points in the textTeaching aims and demandsTo find out and analysis the usage of language points (phrases and words) Main points14 phrases and 4 words usagesDifficult pointsPut on/ wear/ have on the difference among them, assist, attend Teaching aidsPPT and black boardTeaching proceduresStep 1: warming-upListen to a song: Here I amStep 2: language points learninga.the top studentb.must bec.businessd.put on/wear/have one.have breakfast/lunch/dinnerf.discussg.in my own carh.make a phone calli.on the way toj.enjoy doing sthk.achievel.fail an examm.twice a weekn.attendo.have puter club meetingp.assist sb with sthq.continue to do sth/continue doing sthExpain them one by oneStep 3: HomeworkExercise book page 15;Preview the Language in Chapter 2.Part Four LanguageTeaching contents1. How to use verbs in the simple present tense to talk or write about things happening all the time or a number of times.2. How to use adverbs and adverbial phrases to say how often things happen.Teaching aidsmultimedia, tape-recorder, PPTTeaching produceduresStep 1: leading-inAsk the students what Wendy usually do in his daily life. Then lead in the language of this chapter ‘ the simple present tense’. Give them some sentences of the simple present tense, and ask them to find out the structure of the tense.Step2:1.help them find out the structure of the simple present tense肯定句：主语＋am/is/are＋其它成分.主语(除第三人称单数)＋动词原形＋其它成分.否定句：主语＋am/is/are not＋其它成分.主语(除第三人称单数)＋don’t＋动词原形＋其它成分.一般疑问句：Am/Is/Are+主语＋其它成分?Do +主语(除第三人称单数)＋动词原形＋其它成分?特殊疑问句：疑问词＋is/am/are +主语＋(其它成分)？疑问词＋do +主语＋动词原形＋(其它成分)？The consistent of simple past tensea. I like fish./he likes fish.I am a student.b. I don’t like swimming./they are not in the library.c. is it a tall tree?/ does the earth go around the sun?d. What time is it now?2. help them to find out the rules of verb changea. –sb. s, x, sh, ch, o –esc. constant songs+y -ies3. do some exercisesStep 3:1. read the sentenses in the book and find out the usage of the adverbs and adverbial phrases Find out the difference of the words:always --- usually --- often --- sometimes --- seldom --- never2. do some exercisesStep 4: consolidationDo exercises1.How to use verbs in the simple present tense to talk or write about things happening all thetime or a number of times.2.How to use adverbs and adverbial phrases to say how often things happen.Step 6: homeworkExercise book page 15-16Part Four Listening & SpeakingTeaching contents:Get the students to know some listening skill ( make notes).Get the students to know how to describe a daily life.How to describe our everyday activities and how often we do things.Teaching aidsmultimedia, tape-recorder, PPTTeaching producedures:Step one: Lead in and pre-listeningwhat does your father or mother do every day?Predicting: where, when, whatStep two: while-listening1.play the tape for the first time. Get the students to know the general idea of the listeningmaterial with writing anything.2.students listen for the second time and work out which person is talking. Then check theanswer.3.play the recording again and ask students to plete part B.Step 3: post-listening1.hand out the tapescript and find out the words they listen to.2.read the tapescript.Ask the students about the daily life of Wendy, let them use the Yes / No to answer the questions.1. Is Wendy still a student?2. Does Wendy drive herself to school?3. Does Wendy fail an exam?4. Can Wendy play the violin?5. Does Wendy have breakfast at 7:30 a.m.?6. Does Wendy like her school friends?Step 5: presentation1.Ask the students to pay attention to the teacher’s voices.When we ask a Yes/No question, we make our voices rise at the end. Also we make our voices rise to show politeness.2. ask them to do some practice.Step 6: speak-upWork in pairs to find out about your classmate’s habit s. Ask your partner the questions and write down the answers.Step 7: homeworkExercise book page 18-19Part Five WritingTeaching contentsHow to write about a person’s daily life.Teaching aidsmultimedia, PPTTeaching produceduresStep 1: leading-inRetell the story of Wendy using the simple present tense.Review what we learnt in chapter 2 and arouse students interest towards the topic.Step 2: discussionGive some key words and ask them how to write them into a correct sentence.1.play basketball, her friend, from 4.00 to 4.30 p.m., at school, once a weekShe plays basketball with her friend from 4.00 to 4.30 p.m. at school once a week.2.live nearby, always walk to school, go to school, 7.45 a.m., usually arrive, 8 a.m.She lives nearby and always walks to school. She goes to school at 7.45 a.m. and usually arrives at 8 a.m.Step 3: write a sentence correctlyExercise in the book on page 27.Step 4: writing a short story about a girl’s everyday life.Fangfang is my best friend. She lives a healthy life. S he gets up at six o’clock every morning…Step 5: summary1. how to write about our regular activities we do every day or every week / month2. what does Wendy do every day?Step 6: homeworkExercise in the student’s book page 27。

NF3中的N采用不等性的sp3杂化，形成四条sp3杂化轨 道，其中一条被孤对电子占据，另外的三条分别与F的p轨 道形成σ键。由于孤对电子的存在，使得NF3呈三角锥形。
5
General Chemistry
Chapter 3 Homework
2. 将下列化合物按熔点从高到低的顺序排列：
NaF SiF4 NaBr SiBr4 NaCl SiCl4 NaI SiI4 NaF ＞NaCl＞ NaBr＞ NaI＞ SiI4＞ SiBr4＞ SiCl4 ＞
◆同主族元素，自上而下，具有相同电荷的离子半径依次增大
如：r (Li＋)＜r (Na+)＜r(K+)＜r (Rb+)＜r (Cs+)；
r(F-)＜r(Cl-)＜r(Br-)＜r(I-)
◆同一周期中，电子构型相同时，随着离子电荷数增加，正离
子半径减小，负离子半径增大
如：r (Na+) ＞r(Mg2+) ＞r (Al3+)； r(F-)＜r(O2-)＜r(N3-)
SiF4 3. 指出下列各对分子之间存在的分子间作用力的类型(取向 力、诱导力、色散力、氢键)：
(1) 苯和CCl4
(2) 甲醇和H2O
(3) CO2和H2O
(4) HBr和HI
(1) 色散力（非极性分子间） (2) 色散力、取向力、诱导力、氢键（极性分子间） (3) 色散力、诱导力、（极性和非极性分子间） (4) 色散力、取向力、诱导力、（极性分子间）
3．C2H4分子中包含有 5 个σ键， 1 个π键，两个C原子采用
了 sp杂2 化形式，π键在
C原子与
C原子间形成。
4．AgCl、AgBr、AgI在水中的溶解度依次 减小 ，颜色依

yesterday.
They watch TV every day. They watched TV
yesterday.
I watch TV every day. I watched TV yesterday.
He plays the piano every day.
He played the piano yesterday.
y除外）”结尾的规则动词，双写最后一个辅音，+-ed
stopped dial led
refer red
I.读P86页Chapter 3单词从ferry—report共14个单 词5遍并背熟。 II.大声听读课文,家长签字 III.抄写下列规则动词2遍,并背熟,家长签字。 work-worked open-opened show-showed laugh-laughed live-lived like-liked cry-cried hurry-hurried carry-carried stop-stopped dial-dialled refer-referred die-died wash-washed prefer-preferred
simple past tense
1.绝大多数的规则动词直接+ -ed work ed open ed show ed laugh ed 2.以字母的“e” 结尾的规则动词直接+ -d
Live lived like liked
3.以辅音字母+y结尾的规则动词，变y 为i,+ -ed cry cried hurry hurried carry carried 4.重读闭音节，以“辅音字母+元音字母+辅音字母（w和
一般过去时由动词的过去式表示。动词的时 态变化形式主要分为两大类：规则动词和 不规则动词。规则动词的过去时由动词的 原形加-d或-ed构成；不规则动词的过去时 各自有其特殊形式，须逐个记住。除be以 外，其余动词没有人称和数的变化。动词 be的第一人称单数和第三人称单数过去时 态形式用was，其余用were。

Chapter3 My Day 第三单元知识清单一、重点单词或短语单词：1.wash洗 2.my 我的 3.face 脸 4.brush 刷 5.teeth (tooth的复数)牙齿6.breakfast 早餐7.lunch午餐8.dinner晚餐9.do做10.homework家庭作业11.shower淋浴12.time 时间13.o’clock …点整14.your你的15.live居住16.pen friend笔友17.by乘坐18.spaceship宇宙飞船短语：1.get up起床 2.wash my face洗脸 3.brush my teeth刷牙 4.have breakfast 吃早餐5.go to school去学校 6.have lunch吃午餐7.go home回家8.have dinner 吃晚餐9.do my homework做家庭作业10.have a shower洗澡11.go to bed上床睡觉12.in the morning在早上13.in the afternoon在下午14.in the evening在傍晚/晚上15.at night在夜晚16.take care保重；照顾好自己数字：1-12: one, two, three, four, five, six, seven, eight, nine, ten, eleven, twelve13-19: thirteen , fourteen , fifteen ,sixteen , seventeen, eighteen , nineteen (十几都是“teen”结尾)20- 90: twenty 20 thirty 30forty 40fifty 50 sixty 60 seventy 70 eighty 80 ninety 90 (几十都是“ty”结尾)21-28: twenty-one twenty-two twenty-three twenty-four twenty-five twenty-six twenty-seven twenty-eight …(几十几都是几十加上几)100: one hundred二、重点句子1.-What time is it? 几点了？-I t’s nine o’clock in the morning. 早上九点整。