2021新版北师大版必修第一册英语Unit4 Topic talk&lesson1教案.zip

1 Unit4Unit4 TopicTopic talk&Lesson1talk&Lesson1 AvatarsAvatars 词汇拓展词汇拓展 Topic talk 1enable vt使可能，使发生able adj能够；有才能的unable adj未能disable vt使丧失能力disabled adj残疾的 2convenience n方便，便利convenient adj方便的 3effect nC,U效应；影响effective adj有效的；实际的effectively adv有效地；实际上 4addicted adj对着迷的；沉迷的addict nC对入迷的人addiction nU,C瘾，入迷addictive adj使人上瘾的；使人入迷的 5recommendation n建议，提议；推荐recommend v建议，提议；推荐 6explore vt探究；探讨；探险explorer n探险者，勘探者，考察者exploration nC,U探索，探测 7personality n个性，性格person n个人personal adj个人的，私人的 8admit vi&vt承认admission nC承认，招认；U,C准许加入；U入场费 Lesson1 1variety n多样化，变化various adj各种不同的，各种各样的vary vi改变 2creativity n创造力；独创性create v创造 3obviously adv显而易见地，明显地obvious adj明显的 4selection n选择；select v挑选 重点单词与短语精析重点单词与短语精析 课标词课标词 高频词高频词 1.explore vt.探究，探讨；探究，探讨；vt. & vi.探索，考察探索，考察 【词汇拓展词汇拓展】exploration n. C,U探索；探测 explorer n.C探险者，勘探者，考察者 【练习】用 explore 的适当形式填空 A team of explorers will explore the valley in two days. The exploration will last more than ten days. 2.enable vt.使能够；使成为可能使能够；使成为可能 【用法归纳拓展用法归纳拓展】enable sb. to do sth.使某人能够做某事 【词性拓展词性拓展】 2 【拓展】构词法 enable 是由“前缀 en- + able(adj.)”构成的动词。有些形容词或名词前加前缀 en-可以变成动词，表示“使处于状 态，使成为”。如： rich adj.富有的enrich vt.使富有 danger n.危险endanger vt.使遭危险 【练习】1.语法填空 (2020.江苏盐城期末)In the absence(缺乏) of further evidence(证据)，the police were unable (able) to solve the case in a short term. The technological development all through the years has enabled us to do (do) more with less effort. 2.完成句子 现在，我们的政府非常重视教育，这使许多人能够接受更好的教育。 Our government attaches much importance to education now，which enables many people to be well educated. 3.effect adj.幸运的幸运的 【用法归纳拓展用法归纳拓展】 (1)side effects 副作用 cause and effect 因果 in effect 事实上，实际上；在实施中，有效 have a(n).effect on.对对有有影响影响 come into effect 开始实施，生效开始实施，生效 take effect 见效，开始起作用；生效，开始实施见效，开始起作用；生效，开始实施put/bring . into effect 实施，实行，使生效实施，实行，使生效 (2)effect nC,U效应；影响效应；影响effective adj有效的；实际的有效的；实际的effectively adv有效地；实际上有效地；实际上 语境串记The new traffic rule will come into effect next year to traffic jams effectively. However, whether it will take effect and have an positive effect on peoples life will depend on their practical action. 为了有效减少交通堵塞，新的交 通规则将在明年开始生效。但是，它能否起作用并积极地影响人们的生活，这都取决于人们的实际行动。 【练习】语法填空 1.It is said that the new railway timetable will come into effect next year. 2.The drug(药) is said to have side effects (effect) and has been withdrawn(停止销售) from the market for further tests. 3.The number of foreigners learning Chinese has been growing in recent year, indicating (表明)that China has a greater effect on the world. 3 4.(2020.江西南昌二中期末)The results prove that the new drug is effective (effect) in the fight against cancer. Unfortunately Fortunately misfortune fortunate 4. addicted 【用法归纳拓展用法归纳拓展】 addicted adj.入迷；上瘾 be/become addicted to. 沉溺于；对上瘾（to 为介词） 【练习】语法填空 Nowadays many young parents are addicted to their smart phones or computers and pay less or no attention to their kids. As your close friend, Id like to talk to you about the harm of the Internet addiction (addict). (2020.四川乐山十校期中)Im worried that youve been addicted to sharing (share) pictures on WeChat Moments recently. Li Ming is a computer game addict , and his father has been trying to stop him from being addicted to computer games which are addictive . (addict) 5. admit 【用法归纳拓展用法归纳拓展】 (1)vt. & vi. (常指勉强常指勉强)承认；承认（过错、罪行）承认；承认（过错、罪行） ，招认，招认 admit（to）sth. 承认某事 admit（to）doing sth./having done sth. 承认做了某事 他承认无照驾驶。 He admitted（to）driving without a licence.=He admitted（to）having driven without a licence. (2) vt. 准许准许进入；接收（入学）进入；接收（入学） ，准许，准许加入（俱乐部、组织）加入（俱乐部、组织） admit.to/into. 准许进入；准许加入 be admitted to/into. 被录取；被接纳；成为的一员 be admitted as. 作为被接纳 (3)admission .C承认，招认；承认，招认；U,C准许加入；准许加入；U入场费入场费 (4)熟词生义：admit 还有“（场所等）可容纳”的意思 【练习】1.判断下列句子中 admit 的含义 4 She asked me whether I had returned the books to the library， and I admitted that I hadn t. 承认 Only ticket holders were admitted to the stadium for the concert. 准许进入 Its said that the newly-built stadium can admit 5, 000 people. （场所等）可容纳 2.语法填空 When the admission (admit)letter from the famous university arrived, Bens parents were very happy and threw a big party. Tom admitted cheating/having cheated (cheat)in the examination and he was not admitted to/into the school at last. 3.结合 admit 的用法完成句子 玛丽发现信封被打开时，她母亲承认看了那封信。 Her mother admitted having read the letter when Mary found the envelope open. 下午五点以后，游客不允许进入上海博物馆。 Visitors are not admitted to /into Shanghai Museum after 5 p.m. 6. trick 【用法归纳拓展用法归纳拓展】 (1)vt. 欺骗，欺诈欺骗，欺诈 trick sb. into sth./doing sth. 骗某人某物/骗某人做某事 trick sb. out of sth. 从某人处骗走某物 That man tricked me into lending him 200dollars. 那个人骗我借给他 200 美元。 The rich man was tricked out of 20 million yuan and then he was heavily in debt. 那个富翁被骗走 2000 万元之后负债累累。 (2)n. usually sing.窍门，诀窍；窍门，诀窍； C戏法，把戏；花招，诡计，骗局戏法，把戏；花招，诡计，骗局 play a trick/tricks on sb. 捉弄某人a trick of/to. 的窍门perform magic tricks 表演魔术 Whats the trick to getting this chair folded up? 把这张椅子折叠起来有什么诀窍？ My uncle was always showing me card tricks when I was a kid. 我小时候，叔叔总是给我表演纸牌戏法。 The boys hid Johns bike to play a trick on him. 男孩们把约翰的自行车藏起来捉弄他。 【练习】判断下句子中 trick 的词性及含义 - Could you tell me the trick of making such tasty cakes? -Well, I just follow the directions In the cookbook. n.窍门，诀窍 -Hey! Here is a message on my cellphone, telling me to send money to. -Delete it. Many a person has been tricked by such tricks so far. vt. 欺骗，欺诈 ；n.花招，骗局 2.语法填空 Youd better not play a trick on her, for she is not in the mood for anything these days. 5 My brother tricked me into stepping outside and locked me out. 7. appear 【用法归纳拓展用法归纳拓展】 (1)vi. 首次使用，起源，出现首次使用，起源，出现 This problem first appeared in the inner cities. 这个问题最初在市区中心出现。 (2)linking verb 显得，看来，似乎。显得，看来，似乎。其后可跟名词、形容词和动词不定式等。 It appears (to sb.) + that 从句（对于某人来说）似乎 It appears to me that you are all wrong. 我觉得你们全错了。 (3)vi. 出现，呈现出现，呈现 She didnt appear until 10 oclock. 她直到十点钟才出现。 (4)词性拓展词性拓展 disappear vi.消失 appearance n.C,U外表；C,usually sing.出现；抵达 disappearance n.C,U消失 语境串记 The little girl struck a match. She saw that her grandmother appeared, looking so kind, but soon her grandmother disappeared. She struck another match and saw a group of fairies with good appearance coming towards her, but they also disappeared soon. Their appearance made her happy, but their disappearance made her upset. 这个小女孩划了一根火柴。 她看见她的奶奶出现了，看起来那么慈祥，但不一会儿，奶奶消失了。她又划了一根火柴，看见一群美丽的仙女 朝她走来，但她们也很快消失了。她们的出现使她高兴，但她们的消失又让她难过。 【练习】1.判断下列句子中 appear 的含义 (2020 广西名校联考) The word“qipao”did not appear until the 20th century and is one of a number of words used to refer to clothing. 首次使用，出现 (2020 江苏南京师大附中月考)Arriving too early to a dinner party could appear slightly rude if the host is busy with the preparations. 显得 Hearing that he had eaten 10 hamburgers in one meal, an astonished expression appeared on her face. 出现 2.用 appear 的适当形式填空 Judging from his appearance , the manager must be in his fifties. (2020 天津市第一中学检测)According to recent research. some of the small islands around the country may disappear due to the effect of climate. 8. variety 【用法归纳拓展用法归纳拓展】 (1)n. sing.(同一事物的同一事物的)不同种类，多种式样；不同种类，多种式样；C(植物、语言等的植物、语言等的)变体，异体变体，异体 6 a variety of/varieties of. 各种各样的各种各样的 A wide variety of flowers were on show in the street. 街上展出了各种各样的花。 (2)n. U变化，多样化，多边性 When preparing meals, we need to think about variety and taste as well as nutritional value. 准备饭菜时，我们既需要考虑饭菜的营养价值，又需要考虑饭菜的花样和味道。 语境串记 The new park, where there are various kinds of flowers, offers a variety of things to play with, and the visitors vary from children to adults. 那个新公园有品种繁多的鲜花，还提供各种各样可以玩的东西，游客有孩子也有成人。 【练习】1.语法填空 (天津滨海新区联考)There are various (vary) things on sale, so you can choose whatever interests you. Varieties (vary) of solutions have been provided for us to solve the problem. We can choose one to start with. A variety of his books have been (be)published in recent years. 2.完成句子 他由于种种原因辞职了。He resigned for various/a variety of /varieties of reason. 番茄的价格随季节的变化而变化。The price of tomatoes varies with the season. 9.experiment 【用法归纳拓展用法归纳拓展】 (1)vi.v 尝试，试用；做试验，进行实验尝试，试用；做试验，进行实验 experiment with/on.试用/用做实验 The teacher experimented with a-new teaching method.那位老师尝试了一种新的教学方法。 Some people feel that experimenting on animals is wrong.一些人觉得利用动物做实验是错误的。 (2)n.C,U实验，试验；尝试实验，试验；尝试 an experiment with/on. 关于.的实验 perform/carry out/do/conduct an experiment 做实验 an experiment in sth. 对某事物的尝试 7 Mr Smith is showing how to carry out the experiment.史密斯先生正在演示如何做这个实验。 Ive never cooked this before so its an experiment.我以前从未做过这种菜，所以这是一个尝试。 【练习】结合 experiment 的用法完成句子 1.We passed by the classroom and saw the teacher carrying out/doing/performing/conducting an experiment（正在做实验） . 2.He believes that students should be encouraged to experiment on/with （试用）bold ideas(大胆的想法). 10.concern 【用法归纳拓展用法归纳拓展】 (1)n. U,C担心，忧虑；担心，忧虑；C重要的事情；重要的事情；U关爱，关心关爱，关心 concern about/for/over. 对的担心/忧虑 (2)vt. 让（某人）担忧让（某人）担忧 What concerns me is our lack of preparation for the change.让我担心的是我们对事态的变化缺乏准备。 (3)vt.涉及，影响，牵涉；与涉及，影响，牵涉；与有关有关 be concerned with. 和有关，涉及 (4)concerned adj.担心的，忧虑的；感兴趣的，关切的，关注的担心的，忧虑的；感兴趣的，关切的，关注的 a concerned look 担忧的表情 be concerned about/for. 担忧/忧虑 be concerned about/with.对感兴趣，关注 (5)concerning prep.涉及，关于涉及，关于 (6)as far as sb. is concerned 就而言 As far as he is concerned，it is impossible to betray his friends.对他而言，背叛自己的朋友是不可能的。 【练习】语法填空 What made them concerned（concern）was that the disease was spreading more rapidly than expected. (2020.天津市耀华中学期末)Making the right decision concerning （concern）the future is an important thing we should do in our lives. The meeting was concerned with reforms and everyone present was concerned about/with the result. The public have shown great concern(s) about the food safety，because it concerns peoples health. （concern） 11.cheat 8 【用法归纳拓展用法归纳拓展】 (1)vt. 欺骗，欺诈；vi.(尤指在游戏、比赛、考试等中)作弊，舞弊 cheat sb. into sth./ doing sth. 骗某人某物/做某事 cheat sb. out of sth. (尤指用不诚实或不正当的手段)阻止某人得到某物 cheat in an exam 在考试中作弊cheat death 死里逃生，幸免于难 The salesman cheated her into buying a fake.那个推销员骗她买了件赝品。 Anyone caught cheating in the exam will be immediately disqualified.任何人如被发现考试作弊将被立即取消资格。 He cheated death when he was rescued from the roof of his blazing cottage. 他被人从他那熊熊燃烧的棚屋顶上救了下来，捡了条命。 (2)n. C骗子，(尤指游戏中的)作弊者 The stranger calling himself a friend of my father turned out to be a cheat. I was almost taken in by his trick. 这个自称是我爸爸朋友的陌生人结果是一个骗子。我差点被他的把戏骗了。 语境串记 He is a skilful cheat. Yesterday he was accused of cheating consumers, and he was arrested when busy cheating a lady into buying his products which have side effects.他是一个骗术高明的骗子。昨天他被指控欺骗消费者,而且正当他忙于骗 一位女士买他的有副作用的产品时，他被逮捕了。 【练习】1.判断下列句子中 cheat 的词性及含义 It didnt take long for them to see through the cheat who pretended to be a doctor. n.骗子 When shopping online, people should be careful and buy in the shop with a good reputation in case of being cheated. vt.欺骗 2.完成句子 The man tries to cheat people into believing (骗人们相信) that he is very rich. Tom was caught cheating in the exam (考试作弊) and was punished by the teacher. 12. look forward to 【用法归纳拓展用法归纳拓展】 look forward to 意为“期待，盼望”。to 为介词，其后可接名词、代词或 v-ing 作宾语，不接动词不定式。 【注意】对“look forward to doing”的考查常常有两种形式：一种是在 to 和 doing 之间插入某些成分，干扰学生对 doing 的使用；另一种是 look forward to 作复合句中定语从句的一部分，而要考查的词是主句的谓语动词而非 look forward to 的宾语。 9 The email she had looked forward to arrived yesterday at last and she was very happy. 她期盼的电子邮件昨天终于来了，她很开心。 语法语法 【回归教材.语法示例】 用括号内词的适当形式填写下面教材中的句子并体会它们的语法特征 1. Yet, very few people knew that future avatars would have (have) such a wide variety of forms and uses. 2. When people started creating their own avatars, they discovered that they were going to have (have)the power to create new identities that did not look or act like their real selves at all. 语法精讲语法精讲 【考点考点 1】过去将来时的用法过去将来时的用法 过去将来时表示从过去某时看将要发生的动作或存在的状态。过去将来时表示从过去某时看将要发生的动作或存在的状态。 I thought he wouldnt attend the social evening, but to my surprise, he came. 我原以为他不会参加这个联欢晚会, 但是令我惊讶的是, 他来了。 He asked me if I should be in the office in the afternoon. 他问我下午是否在办公室。 【考点考点 2】过去将来时的表示方法 (1) would/ should+动词原形动词原形, would 用于所有人称用于所有人称, should 只用于第一人称。只用于第一人称。 She told us that she would not go with us, if it rained.她告诉我们，如果下雨的话她就不和我们一起去了。 I telephoned him yesterday to ask what I should do next week. 我昨天给他打电话问我下周做什么。 注意注意“would+动词原形”也可表示过去经常性、习惯性的动作。 When I was small, my mum would read me stories at night. 在我小的时候，妈妈常在晩上给我讲故事。 (2)was/ were going to do 表示过去打算表示过去打算/计划做某事或客观迹象计划做某事或客观迹象表明要发生的事表明要发生的事。 I was going to see Mr Brown the next day, but the appointment was cancelled. 我本来打算第二天去看布朗先生的，但预约被取消了。 10 I thought it was going to rain because the sky was very dark. 我认为是要下雨了，因为天色很暗。 (3)was/ were about to do 表示过去正要表示过去正要/即将做某事，即将做某事，一般不与时间状语连用一般不与时间状语连用。 When I got there they were about to leave.我到那儿的时候他们正要离开。 注意注意“Sb. be about to do.when.”句型表示“某人正要做某事，突然” I was about to leave when someone knocked at the door. 我正要离开，突然有人敲门。 (4)was/ were to do 表示过去计划或安排将要做某事。 He said he was to finish the work in a week.他说他打算一星期内完成这项工作。 She said she was to take up the position.她说她要承担这个职务。 注意注意 1.在含有条件状语从句和时间状语从句的复合句中，从句的谓语常在含有条件状语从句和时间状语从句的复合句中，从句的谓语常用一般过去时表示过去将来时用一般过去时表示过去将来时。 I didnt know when she would come，but when she came I would let you know. 我不知道她什么时候来，但她来了我会告诉你。(第二个 when 引导时间状语从句，从句谓语用一般过去时表示过 去将来时) The teacher said that it would be very difficult to make progress if I didnt work hard. 老师说我如果不努力学习的话，很难取得进步。 2.was/were+ doing 表示过去将来时时表示过去将来时时,仅限于仅限于 go，come，leave，start，take off 等趋向性等趋向性(短语短语)动词。动词。 I didnt know they were coming.我不知道他们要来。 David was leaving for Shanghai in a few days.戴维几天以后要去上海。 【真题链接】 1.语法填空语法填空 (山东高考单项填空改编) They made up their mind that they__________(buy )a new house once Larry changed jobs. (2020山东阅读理解改编) The participants followed suit, taking more food than they normally__________(have). 2.(浙江高考) Albert Einstein was born in1879. As a child, few people guessed that he__________a famous scientist whose theories would change the world. A. has beenB. had beenC. was going to be D. was 3.(陕西高考) At college, Barack Obama didnt know that he__________ the first black president of the United States of America. A. was to becomeB. becomesC is to becomeD. became 【答案解析】 1. would buy。句意：他们决定，一旦拉里换了工作，他们就买一套新房子。此处表示过去决定要做某事，应使 用过去将来时。故填 would buy。 11 would have。句意：参与者会仿效并且摄入比正常情况下更多的食物。根据 followed 及 normally 可知，此处表 示过去经常性的动作，故用 would have。 2.C。句意：阿尔伯特爱因斯坦出生于 1879 年。当他还是个孩子时，很少有人猜到他会成为一位著名的科学家， 他的理论会改变这个世界。由动词“guessed”以及之后的“would change”可知，此处表示的是从过去某一时刻看 将要发生的动作或存在的状态,所以用过去将来时。故选 C。 3.A。句意:在上大学时,巴拉克奥巴马不知道他将成为美国第一位黑人总统。根据句意可知,“上大学”发生在过去, 而成为美国第一位黑人总统是之后发生的事情。故选 A。 基础练习基础练习 一、单词拼写一、单词拼写(用本部分所学单词用本部分所学单词) 1. There are a variety of tourist attractions and historical sites in Beijing. 2.(2020江苏扬州段考)Its said that the managers absence has given rise to wide concerns and guesses. 3.If we view the problem in a different light, a solution may become more obvious. 4.(2020山东威海期末) Benjamin Franklins famous lighting experiment (实验) has introduced generations of children to science. 5.(2020甘肃兰州一中期末) The design of the room was in fancy (别致的) style popular in those days. 6. At no time will you be allowed in, unless your identity (身份) has been checked. 7.(2020山东济南历城二中期末) We proudly present a selection(选择) of films with diffe