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1、Unit 1 Science and scientistsPeriod 2 Build up your vocabulary 教学设计课题Period 2 Build up your vocabulary单元Unit 1学科English年级Grade 2教材 分析This is the second period of this unit. The emphasis of this period will be placed on the important words, expressions and sentence patterns in the reading text. In or
2、der to make students understand these points, teacher can first get students to study the usages themselves and try to make a summary according to the examples, and then try to put them into use to improve the ability to use them in a real situation. At last under the guidance of the teacher,student
3、s can make use of what they have learned as much as possible to express themselves. By doing so, students can grasp these important language points well.教学 目标 与核 心素 养Knowledge objectives: Learn some prefixes or suffixes and enable the Ss to master the usage of the key words and expressions in this u
4、nit.Skill objectives:Enable the Ss to use the sentence patterns flexibly.Emotional objectives: The students can refine the greatness of achievement and will be better at writing and speaking.重占 八、frustrated;infect;contradictory;initialsubscribe to; suspect of; link to; draw a conclusion ;make senseS
5、b. Be to blame for sth.难点How to train the Ss to apply some structures correctly by doing the relevant exercises.教学过程教学环节教师活动学生活动设计意图导入新课Stepl leading -inGiveaTo check whether1. Use ppt to show a long word and guidecomplex wordstudents to findthem like this:andaskout the prefixesLook at the following
6、 word and guess what is thestudents toor suffixes andmeaning of it.guesstheguide students tobelieved that freedom and discipline are not each other.2. n. the act of becoming involved inan argument, fight, or other difficult situation in order to change what happens 【语法填空】The situation calmed down wh
7、en police .Thatis,the two men would have continued fighting but for the of a policeman.3. n. all the people who live together inone house ;adj. relating to looking after a house and the people in it【语法填空】A growing number of offer at least onecomputer to the renters.If a isinterested, youll get an in
8、terview, probably by phone.4. v. to throw sb./sth. somewhere,especially using force【语法填空】用cast的词组填空She cast her thoughts to the voyage on thesea, when the ship was castduring thestorm.The priceless treasures had been cast into the Nile.5. vi. & vt. to do something in orderto protect someone or somet
9、hing from being attacked【语法填空】His courage in his homeland inspired manyencourage studentstomaster vocabulary and application.residents, and we would not abandon our of the city.6. n. a person who helps or supports sb,usually in their job【语法填空】Ms. Li is a good, whosebenefits us a lot, and she is us i
10、nmaking chemical experiments in the lab now.Activity 2 Group work: Use the words in Activity 1 to translate the following passage.新冠肺炎已经成了一个人尽皆知的名字。它给我 们的生活投射了很大的阴影。但是，新的疾病出 现与社会开展并不是矛盾的。在科学家和医生研 制一些新药对其干预的情况下，我们一定要加强 对它的防御。无论如何，专家和医生的指导帮助 我们勇敢面对它。Answers:Covid-19 has become a household name. It cas
11、ts a big shadow over our lives. However, the emergence of new diseases is not contradictory to social development. While scientists and doctors develop some new drugs to intervene,we must strengthen our defenses against it . Above all,guidance from experts and doctors assists us face it bravely.课堂小结
12、Summary:Word formationCore VocabularyWords extensionPhrases extensionBrain stormIndividual workGroup workTo test students?ability to analyse language point.Homework:1 . Recite the words and phrases.2 .Do the exercises 1,2 and 3 on page 61 of the workbook.Written work板书prefixesdis-micro-mis- un- mult
13、i-Suffixes-ory-ion-ial-ology-al-or.-istfrustratedinfectcontradictoryinitialsubscribe tosuspect oflink todraw a conclusionmake senseSb. Be to blame for sth.2. Point out the word formation and give the related prefixes and suffixes .meaning of it and observe the formation.the study of word formation.复
14、习词汇衔接新课Dealing with PPT 4-101 . Look at the following words and find out their regulation.-form-: reform;preform,inform;uniform;transform prefix 前缀：re-=again;pre-=completely;in-=into;uni-=single;trans- =changed2 .Give the Chinese meaning of the underlined words.3 .Studies have shown that when exerci
15、se is performed in groups,its not only great for improving physical health but for psychological health.4 .School reform efforts during the 19th century have reduced the amount of time adolescents spend with younger children.5 . Since then,the society has moved onward,never looking back ,as the car
16、transformed America from a farm-based society into an industrial power.6 .As in so many offices that you see,the walls and furniture are a uniform gray.答案：进行；改革；改变；同一的3.-view-： review;preview;interview;interviewer; intervieweel.Ask students to have a brainstorm first,then write down the each word .
17、And next, learn each prefixs meaning.2. Practise the related words and answer the Questions individually.prefix 前缀：re-=again;pre-=completely;inter-=between; from one to anothersuffix 后缀 :-er= the originator of an action-ee =the recipient of the action4.Fill in the blanks with the words related tovie
18、w.1 . The manager had been the previousyear on his way home.2 .Weve a woman for the job already,butshe wasnt very well qualified.3Journalists will be invited to the exhibitiontomorrow before its open to the public.4 . The gets to see more of the candidateby asking some predesigned questions.5 .The c
19、an get a chance to show hisconfidence,working ability and educational background.答案：reviewing; interviewed; preview; interviewer; interviewee讲授新课Learn about word formation and Deal with PPT11-14l.Use ppt to show some other prefixes or suffixes :prefixesdis-不，否认，相反micro-极小的，微小的1. Let students use wha
20、t they have learned above to guess thewordformation.2. Students can do it individually or in groups.Have a thorough understanding of the meaning and usage of words and be able to givecorrect3. While doing the exercises, students can play a game to see who can orwhichgroup can give asmanycorrect word
21、s or answers as possible.answers.mis-错误的，坏的；不；相反un.不；表示相反的动作multi-多于一的；多的Suffixes.ory不，否认，相反ion极小的，微小的- ial与有关的，有特性的ology表示学科，学问- al的动作，的过程or.的物，用于做的物- ist专业人员，专家；主义者2 .Find the words from the previous pages with the following prefixes or suffixes. Then add two words for each prefix or suffix.Prefix
22、suffixre- retell recycle-ory theory contradictorydis- disappoint dislike -ion action inventionmicro- microsoft microphone -ial beneficial officialtrans- transform transport -ology biology geologymis- misunderstand misleading -al natural actualun- unlike unhappy-or actor inventormulti- multiple multi
23、national -ist biologist scientistLearn some important words and phrases and dealing with PPT 15-233 . Make phrases by combining the words in the left box with those on the right.Then complete the sentences using these phrases.subscribesuspect blame linkto,of,for1. To check the ability of guessing wo
24、rds meaning2. To train students team spirits.3. Collaborative inquiry learning1 . Many scientists that it is human warming.subscribe :to pay have copies of a new 【记忆】sub下+s（ 名字一订阅；认!）2 .He was todrove on the wrongblame :to thinkthe viewactivity that has caused globalmoney, usually once a year, to（sp
25、aper or magazine sent to youcrib写+e f在单子卜面写上 wthe accident because he side of the road.or say that sb./sth. is responsible:o blame为原因之一。h e rpa rtlyge.being behind thessing the street.:that something is probably true, ;bad怀疑that something is not honest orc who is thought to be guilty of are was some
26、thing wrong with thefor sth. bad 【常见搭配工bet 炎热的天气是缺水f The hot weat for the water shortaj 3 The manrobbery was seen cn suspect :v. to think especially something to think true不信任n. somcon crime犯罪嫌疑人【例句】1 suspected that theengine.我怀疑发动机出了什么故障。1 began to suspect his motives in inviting me.我开始怀疑他邀请我的动机。Tw
27、o suspects were arrested today in connection with the robbery,有两名与劫案有关的嫌疑人今天被逮 捕。【常用搭配】suspect sb. of sth.He was suspected of treason.他有叛国嫌疑。4.Since heart disease is oftenourlifestyle choices, we need to make healthy living an important part of our lives.link : v. make a logical or causal connection
28、; connect, fasten, or put together two or more pieces 连接；联合，结合n. the means of connection between things linked in series联系，关系答案：subscribe to； blame for； suspected of ； linked to4.Replace the underlined parts with suitable words from the box.Use vocabulary, master vocabulary and expand vocabulary usa
29、ge.raw; a household name substantial; statistics; handle1. It is not unusual for an athlete to be well known while he is active, and quickly forgotten when his athletic career is over.2. Im sure shell deal with the changes very well because shes very adaptable.3. He was ready to serve dinner to his
30、friends when he realized that he had forgotten to turn on the oven and the meat was not cooked yet.4. He used his great influence to change the thinking of the scientific community on this issue.5. Scientists have collected more data than expected to prove the theory.答案：a household name ;handle;raw;
31、substantial; statistics6. Read this passage about medical science. Complete it using the words below.Use the text materials to guide the students to try the relevant questions of the college entrance examination, and make efforts in daily life to gradually cultivate their pragmatic ability.infection
32、 multiple decrease severe transform proof blame substantialBritish scientists believe they may have found a way to fight the common cold. It blocks a key protein in the body cells that is tofor the spread ofcold-causing virus. Targeting he host rather than was a bit non-traditional but made sense be
33、cause it was tricky to target the virus. Cold-causing virus are not only of kinds, they also rapidly, meaning they can quickly develop resistance to medicine. Researchers are working on making a form of medicine that can be taken directly into ones lungs, tothechance of side effects. Though these sc
34、ientists have made advances in theirresearch, furtheris needed to makesure such drugs are not sothat theyharm the body.答案：blamejnfection,multiple,transform ,decrease, substantial,proofsevere课堂练习Words extension1. frustrate v.挫败;阻挠;adi.挫败的;沮丧的frustration n.懊丧;令人懊丧的事物with frustration 恼火地2. infect v.使感染
35、;使传染infection n.感染;传染severe inflections 严重的感染3. contradictory adi.相矛盾的;对立的contradict v.相矛盾contradictory statements 相互矛盾的陈述4. initial adj.开始的,最初的initially adv.开始地，最初initial reaction最初的反响Phrases extensionL多亏 thanks to2 .最终 once and for all3 同意，订阅 subscribe to4 .最重要的是above all5 .爆发 break out6 .主观;负责 in
36、 charge of7 得出结论 draw a conclusion8 .总之 in general9 .结果是 as a result10 .死于 die from11 .弄清;查明find out12 .处理 deal with13 .执行 carry out14 .有意义 make senseFill in the blanks with proper form of the phrases.1. Wethat the disaster was to end.2. It was all a great success一 a lot of hardwork.3. On the face o
37、f it that seems to . But thefigures dont add up.4. , a plain carpet makes a room look bigger.5. He has some unfinished business to .6. Send it to whoever is sales.7. , we consider him as all-around studentat the end of the semester.8. More than half of all smokersa tobacco-relateddisease.9. They int
38、erviewed the victim tothe truth.10. Every morning 1 would in a sweat.答案：drew a conclusion;thanks to;make sense;ln general;deal with;in charge of,As a result;dies fromjfind outbreak out课堂活动Activityl Write down the word that matches each definition.1.adj. two statements, beliefs etc thatare contradictory are different and therefore cannot both be true or correct【语法填空】Though her version her daughters, sheIndividualvocabularypractice ,combinedwithgroup work.Usingwordformation, adding prefixesorsuffixes on the basis of word roots, in the context,to