Unit 7 (LESSON 2)词汇讲解课件-（2022）新北师大版《高中英语》选择性必修第三册.pptx

1、单单词词课课堂堂A word is a microcosm of human consciousness.Vygotsky版本：版本：新北师新北师单元：选择性必修单元：选择性必修三三 Unit 7(LESSON 2)本单元词汇梳理本单元词汇梳理1.trend词源：原指河流或海湾的拐弯，后引申词义趋势、潮流词块：a trend toward(s)sth,follow the trend 2.financialfinance(n 财务/金融)+-al词块：financial crisis 3.logicallogic(n 逻辑)+-al(形容词后缀)prehensioncom-(completel

2、y 完全地)+prehen(to seize 抓住)+-sion(名词后缀)完全抓住(意思)理解词块：reading comprehension,beyond comprehension5.bio-technologybio-(生物)+technology(n 技术)6.guarantee一词多义，基本义“保证”名词动词化：保证词块：a guarantee of sth,guarantee that,guarantee to do sth 7.AI artificial intelligence的缩写形式8.motivatedmot(to move 移动)+-ive(名词后缀)+-ate(动词

3、后缀)+-ed 使移动的、使有动力的 积极的；主动的词族：motive,motivate,motivated,motivation 重重难难点点词词精精讲讲motivate一词多义一词多义英语释义英语释义词根词缀词根词缀trend一词多义一词多义guarantee一词多义一词多义trend不要随波逐流，要跟随自己的内心。不要随波逐流，要跟随自己的内心。trendn C 趋向；趋势：趋向；趋势：the general trend of historyThere has been a recent trend in the food serviceindustry toward lower fat

4、 content and less salt.2017 全国 潮流：潮流：follow the latest world trend词源解读：词源解读：原指河流或海湾的拐弯，后引申词义趋势、潮流。原指河流或海湾的拐弯，后引申词义趋势、潮流。时尚的时尚的“趋势趋势”guarantee看图猜词：看图猜词：打开购物网站时，琳琅满目而分类细致的商品就会呈现在我们面前。购物时，是否注意到了商品上的这些标注呢？它们是什么意思呢？guarantee和warrant都是保证的意思。warrant侧重保证退换；guarantee侧重对产品质量的保证。词源解读词源解读英语guarantee来源于西班牙语garan

5、te。这个词是从日耳曼语warrant吸收而来。在吸收的过程中，w变成了g。因此，两个词本质上是同一个词。n C 保证保证 a firm promise that sth will be done or that sth will happen：give a guarantee of good behaviorWealth is no guarantee of happiness.保修单；质量保证书：保修单；质量保证书：They offer a two-year guarantee on all their electrical goods.guarantee vt 保证；确保；担保保证；确保

6、；担保：Talent alone isnt enough to guarantee success.外研新选必-2 guarantee+(that)从句从句：Consistent,hard work will guarantee that you will become good at whatever it is.2013 广东改 guarantee to do sth:We guarantee to behave ourselves tomorrow.提供保修单：提供保修单：If you have the watch cleaned here,we can guarantee it for

7、 an additional three months.2009 天津 guarantee 语义网络图语义网络图做某事或使某事发生做某事或使某事发生的的“保证保证”产品质量的产品质量的“保证保证”保证保证保修单；质保修单；质量保证书量保证书guarantee保证保证（基本义）（基本义）保证；确保；担保证；确保；担保保提供保修单提供保修单nvmotivate同义异构：同义异构：encourage/inspiremotivatevt 使有动力；激发；激励：使有动力；激发；激励：Researchers have identified several factors that motivate peo

8、ple to get involved in voluntary work.2015 江苏改While some people are motivated by a need for success,others are motivated by a fear of failure.2016 江苏构词：构词：mot(to move 移动移动)+-ive(名词后缀名词后缀)+-ate(动词后缀：使动词后缀：使)使移动、有动机使移动、有动机 激励激励 motivated adj 积极的；主动的：积极的；主动的：After every run I feel fitter,happier and mo

9、re motivated to keep progressing.2011 湖南改【温故温故】unmotivated adj 缺乏动机的；不感兴趣的缺乏动机的；不感兴趣的（选必一（选必一 Unit 1）motivation n（选必一（选必一 Unit 1）U 积极性；动力积极性；动力 the enthusiasm for doing sth：These methods can help improve/increase students motivation and interest.C 动机；诱因动机；诱因 the need or reason for doing sth：Escape c

10、an be a strong motivation for travel.词根词根前缀前缀/后缀后缀单词单词派生词派生词 mot pro-(向前 forward)promote v 促进；晋升promotion n 促进；晋升re-(向后、往回 back)remote adj 遥远的-ivemotive n 动机motivate v 激励motivated adj 积极的；主动的motivation n 积极性；动机-or motor n 发动机；马达-ionmotion n 运动；动e-(外 out);-ionemotion n 感情；情绪emotional adj 情绪(上)的；情感(上)

11、的mot词根词根从上表中可以看出，词根从上表中可以看出，词根mot意为意为“动动 /移动移动 (move)”，由该词根，由该词根构成的词大多含有此义。构成的词大多含有此义。react构词：构词：re-(back 回应回应)+act(行动行动)作出行动回应作出行动回应 (作出作出)反应反应react 意为“对作出反应”、“产生不良反应”时，同介词 to 搭配；意为“起（化学反应）”时，同介词 with 搭配。react vi （对对）作出反应作出反应(respond)：How did the students react to the monitors suggestion?产生不良反应产生不良

12、反应 to become ill after eating,breathing,etc.a particular substance：Some people react badly to certain food.起（化学）反应：起（化学）反应：It shows us how iron reacts with air and with water.react 语义网络图语义网络图（对对）作出反应）作出反应react（基本义）（基本义）对食物等有不对食物等有不良良“反应反应”物质等发生化物质等发生化学学“反应反应”起（化学）反应起（化学）反应产生不良反应产生不良反应reaction n U&C

13、反应；作用：反应；作用：【温故】【温故】（必修三（必修三 Unit 7）sbs first/immediate reactionthe public reaction to the news the reaction of metals with oxygenact 同族词同族词active action actively interact react reaction activist activity actress actor act 男演员男演员 女演员女演员 积极的；积极的；活跃的活跃的积极地积极地相互交流；相互影响相互交流；相互影响行动；行为行动；行为（对（对）作出反应作出反应反应

14、；作用反应；作用积极分子积极分子活动活动interaction 交流；互动；相互作用交流；互动；相互作用 credit card在我们的生活中处处可见，你知道TA的故事来源吗？creditcreditcredit 据说第一张信用卡(credit card)是由就餐者俱乐部(Diners Club)发行的，这张卡的发明者是该俱乐部的创始人弗兰克麦克纳马拉(Frank McNamara)。有一次弗兰克请客吃饭，却偏偏忘了带钱夹，付账时尴尬万分。通达的老板解围说：“我知道你信誉(credit)一向非常好，下次来一起付吧。”这起意外使弗兰克得到了启发，他和朋友施耐德(Ralph Schneider)合

15、作，在纽约创办了“就餐者俱乐部”，为200名会员发放一张证明身份和支付能力的卡片，他们凭卡片可以在纽约27家饭店用餐而不需带现金(cash)，到时只要和就餐者俱乐部一次清账就可以了。信用卡就是一种信贷(credit)。U 信用；信誉：gain/lose credit It is important to pay your electricity bill on time,as late payments may affect your credit.2016 浙江 U 赊账；信贷：It doesnt matter whether you pay in cash or by credit car

16、d in this store.2012 山东改Most new cars are bought on credit.credit R3 n构词：cred（to believe/trust 相信、信任）+-it（表示名词）信任 C&U 存款额：Ill put a 300-dollar credit on your account.2010 北京 U 赞扬；功劳 praise or approval that you give to sb for sth they have done well：I cant take all the credit for the shows success it

17、 was a team effort.We dont mind who gets the credit as long as we dont get the blame.译林新必修 4 C 学分：The teacher made it clear that our credits would behard-earned.2018 全国to sbs credit 为某人增光；值得赞扬：为某人增光；值得赞扬：To their credit the four countries do work together in some areas,but they still have very different institutions.同义异构：praise谢谢谢谢观观赏赏