北师大版英语选修七 Unit 21　Human Biology 知识点课件59张PPT

课件59张PPT。
选修模块 7　Unit 21　 Human Biology
1.tolerate v.忍受,容忍
教材原句
①The sports world does not tolerate 　doping????(dope) as it is a fundamen-tal form of cheating. 重点单词单句填空
②She refused to tolerate 　being called????(call) a liar.
③People who have personality traits that connect with competitiveness and low upset 　tolerance???? (tolerant) are much more likely to get angry.(2018北京卷七选五)单句改错
④Perhaps you need to be tolerance of your neighbors.
　tolerance→tolerant????写作微练
⑤在一些专家看来,火星上的生活条件非常艰苦,难以忍受,志愿者必须要面对严寒气候、孤独和恐惧。
　In some experts' opinion, living conditions on Mars are very hard to tol-erate and the volunteers have to face the freezing cold climate, loneliness and fear.???? 点拨
(1)tolerate(doing)sth.容忍(做)某事
【联想】????“容忍”的相似单词或短语有:stand,endure,bear,put up with
(2)tolerant adj.宽容的;容忍的
be tolerant of 对……宽容
tolerance n.容忍
beyond tolerance无法忍受
show tolerance towards/to sb.容忍某人2.seek v.(sought,sought)寻求;寻找;请求;试图
教材原句
①Doping is not only a problem in athletics, it is part of every sport where athletes seek 　to achieve????(achieve) beyond their natural limits...单句填空
②Half an hour later, she sought 　out???? her friend in the crowd.
③The new graduate is seeking　for????a job where he is badly wanted.
④You should seek advice　from????your lawyer on this matter.完成句子
⑤When he decided　to seek his fortune????abroad, I suggested that he
????(should)seek advice from his parents????.
当他决定到国外寻求致富机会的时候,我建议他应该征求父母的意见。点拨
seek to do sth.试图做某事
seek(for)...寻找/寻求……
seek sth. from sb.向某人请求/寻求某物
seek one's fortune寻求致富的机会
seek out找出3.oppose vt.反对;抵制;阻挠;与竞争
教材原句
①Gene-therapy is very controversial and many people 　oppose further???? research into it.基因疗法是很有争议的?许多人反对进一步研究它。 单句填空
②I have been consistently opposed to 　feeding???? (feed) a baby regularly. ③Many farmers 　opposed????(oppose) the plan because they feared that wolves would kill their farm animals or pets.(2017课标全国Ⅲ阅读理解)一句多译
很多人反对在这里建工厂。
④Many people 　opposed building????a factory here.(oppose)
⑤Many people 　were opposed to building???? a factory here.(opposed)
⑥Many people 　objected to building????a factory here.(object)
⑦Many people 　were against building????a factory here.(against)点拨
(1)oppose doing sth.反对做某事
be opposed to(doing)sth.反对(做)某事
(2)opposite adj.相反的;对面的 n.对立面;反面
【联想】
表示“反对(做)某事”的其他表达:
object to(doing)sth.
be against(doing)sth.4.faith n.信任;宗教信仰;信心
教材原句
①With all the international effort being made, we have to have faith 　that????
there will be solutions in time to stop a Bird Flu epidemic in its tracks.单句填空
②I have faith 　in???? the employee because he has worked for us 　faith-fully???? (faithful) for a long time, and I think he is a 　faithful????(faith) and honest friend.单句改错
③What I want to know is whether or not you have lost faith for it.
　for→in????
④I am sure she'll pass the exam;I 　have great faith in????(信心十足) her. 点拨
(1)have faith in对……有信心
lose faith in对……失去信心
in good faith真诚地;诚心诚意地
(2)faithful adj.忠实的;可信任的
faithfully adv.忠实地
be faithful to对……忠诚
【点津】????faith意为“信任”时,后接介词in,也可接that引导的同位语从句。
5.rob vt.抢劫,掠夺,盗取
教材原句
①...a heart attack robbed her brain 　of???? oxygen causing permanent harm. 单句填空
②The 　stolen????(steal) bike was found by the police yesterday.
③The police are investigating a series of bank　robberies????(rob)in South Wales.
④He used to steal money　from????his father's drawer.
⑤Some armed　robbers????(rob)were arrested by the police.完成句子
⑥The old lady claimed to　have been robbed???? of her purse when shop-ping.
这位老妇人声称在购物时钱包被抢了。
⑦They　robbed the bank of????thousands of dollars.
他们抢走了那家银行几千美元。句式升级
⑧The bank was robbed and shut down, but reopened last week.
→　Though robbed and shut down, the bank reopened last week.????(过去分词作状语)点拨
(1)rob sb./sp. of sth.抢劫某人/某地的某物
(2)robber n.抢劫者
robbery n.抢劫
【辨析】6.decline v.减少,衰退;谢绝 n.衰退;减少
教材原句
①...it is generally agreed that a patient's 　chances of recovery decline???? the longer they stay in a coma. 单句填空
②In spite of many invitations, he would always decline　to visit????(visit)Oxford.
句式升级
The number of robberies is declining recently.
→③The number of robberies is 　on the decline???? recently.
→④There is a 　decline in the number???? of robberies recently.点拨
(1)decline to do sth.拒绝做某事
(2)in decline/on the decline在下降;在衰退中;走下坡路
fall into(a)decline开始衰退/衰落
a decline in在……方面下降
sb.'s declining years暮年;晚年7.equip v.装备;配备
教材原句
①There's no doubt that this will 　equip????(equipment) us to cure all sorts of illnesses, from heart disease to cancer. 单句填空
②The hospital has recently obtained new medical 　equipment????(equip), allowing more patients to be treated.(2017天津卷)
③All riders are equipped　with???? reflective vests and safety lights.(2018课标全国I阅读理解)
④The more you learn, the more 　equipped????(equip) for life you are.单句改错
⑤Our laboratory is distinguished for its equipments from America.
　equipments→equipment????写作微练
⑥为了使脚干燥、舒服,这种新鞋配备了微型风扇。
　To keep the feet dry and comfortable, this new kind of shoes is equipped with a micro-fan.????点拨
(1)equip sb./sth. with sth.用……装备某物;让某人具备(知识、技能等)
equip...for sth./to do sth.为了……而装备……
be equipped with配备有/装有……
be well/poorly equipped装备精良/较差
(2)equipment n.设备;装备;配备
【点津】????equip的过去式和过去分词均为equipped;equipment为不可数名词,一件设备表达为a piece of equipment。8.fortune n.大笔的钱;运气;机会;命运
教材原句
①I'd like to point out that while there are some firms that do this and charge 　a???? fortune to keep the bodies frozen...活学巧用
②To make　a????fortune, John went to New York to try his　fortune????(fortunate). Though he failed in business, he met an old rich man.　Fortu-nately????(fortunate), he came into a　fortune????(fortunate). But　unfortu-nately????(fortunate), the man died in a car accident and he again had to de-pend on himself. 单句改错
③Maggie has been fortune to find a job which she loves.
　fortune→fortunate????
④The discovery of gold in Australia led thousands to believe that a fortune was to made.
　∧made→be????点拨
(1)try one's fortune 碰运气
make a fortune发财
come into a fortune继承一大笔财产
seek one's fortune 寻找发财机会
(2)fortunate adj.幸运的;运气好的
be fortunate to do sth./in doing sth.幸运地做某事
fortunately adv.幸运地;幸亏
unfortunate adj.不幸的
unfortunately adv.不幸的是9.circumstance n.情况;情形;环境
教材原句
①not in any 　circumstances????(circumstance)单句改错
②She made it clear that under no circumstance would she cancel the trip.
　circumstance→circumstances????完成句子
③My teacher always reminds me that under no circumstances 　should I abandon???? my learning goals once I set them.
我的老师总是提醒我一旦确定学习目标决不应该放弃。
④I wish we could have met 　under happier circumstances????.
我真希望我们是在更愉快的情况下相遇的。点拨
under no circumstances决不
in/under the circumstances在这种情况下;既然这样
in any circumstances在任何情况下
【点津】????under no circumstances位于句首时,句子用部分倒装。at any rate 至少;无论如何;不管怎样
教材原句
①If trends continue the way they're going, then in my opinion, yes—in developed countries 　at???? any rate. 重点短语单句改错
②In that country, the car accidents are increasing at very high rate.
　∧very→a????完成句子
③　At this rate????,we will soon be bankrupt.照这样下去,我们不久就破产了。
④Our money was running out　at an???? alarming　rate????.
我们的钱正在以惊人的速度流失掉。
⑤　At any rate????,you can't hurt her feelings.无论如何你不能伤害她的感情。点拨
at this/that rate如此下去;照此情形
at a/the rate of以……的速度/比率
【联想】????本单元有关at的其他短语:
at random随便地;随意地
at all costs不管多大代价;无论如何1.as引导状语从句
教材原句
①The sports world does not tolerate doping 　as???? it is a fundamental form of cheating. 重点句型完成句子(用as的相关用法填空)
②We finished the task 　as he had asked????.
我们按照他的要求完成了这项任务。
③　As I grew older????, I became more and more confident.
随着年龄的增长,我越来越自信了。
④　As I was busy preparing for????my final exam, I didn't reply to your email.
由于忙着准备期末考试,我没有回复你的电子邮件。⑤　Happy as they were????, there was something missing.
尽管他们很快乐,然而也失去了一些东西。单句改错
⑥By the way, a child as he is, he knows a lot.
　删除child前的a????句式升级
⑦As time went by, it became colder and colder.
→　With time going by????, it became colder and colder.(with复合结构)
⑧Although they were tired, they stayed up preparing the report.
→　Tired as/though they were????, they stayed up preparing the report.(as/though的倒装结构) 写作微练
⑨尽管我很紧张,我还是在老师面前大胆地表达了自己的观点。
　Nervous as/though I was/Although I was nervous, I expressed my own opinion before the teacher bravely.????点拨
(1)引导方式状语从句,意为“按照;如同;像……一样”。
(2)引导时间状语从句,意为“当……时候;一边……一边……;随着”。
(3)引导原因状语从句,意为“因为;既然”。
(4)引导比较状语从句,常用于as...as...句式,意为“像……一样”(第一个as是副词,第二个as是连词)。
(5)引导让步状语从句,意为“虽然;尽管”(从句需用倒装,即将形容词、副词、名词、动词等提到as前。当单数可数名词提前时,需去掉冠词)。
(6)as if/though意为“好像”,可用于引导方式状语从句。
(7)as/so long as意为“只要,如果”,引导条件状语从句。
【发散思维】　as还可引导定语从句,在从句中作主语或宾语,从句可位于句首、句中或句尾。2.need not have done sth.
教材原句
①Many people doubted Armstrong's ability to become a top cyclist again
but they 　need not have worried????.很多人怀疑阿姆斯特朗再次成为顶级车手的能力,但他们本没有必要担心。单句改错
②We could faced the difficulty together, but why didn't you tell me?
????could∧→have????
③Steam engines were used to pull the carriages and it must have fairly un-pleasant for the passengers.(2017课标全国Ⅱ语法填空)
　have∧→been????完成句子
④Jerry did not regret giving the comment but felt that 　he could have ex-pressed it???? differently.
杰里不后悔做出的评论,但是他觉得他本来可以用不同方式来表达的。
⑤I 　shouldn't have watched???? that movie—it'll give me horrible dreams.我本不应看那部电影——它将会使我做噩梦的。
⑥Mark 　needn't have hurried????;after driving at top speed, he arrived
half an hour early.
马克本不必匆忙;以最高速驾驶之后,他早到了半个小时。点拨
need not have done sth.意为“本没必要做某事”。
【发散思维】
“情态动词+have done sth.”的用法:
must have done sth.过去一定做了某事
can't/couldn't have done sth.不可能做过某事
could have done sth.本来可以做某事而没有做
may/might have done sth.可能做过某事should/ought to have done sth.本来应该做某事而事实上并未做
【点津】????在上述句式中,must不可用于否定句中,否定用can't/couldn't,而should和ought to可用于否定句中。
3.It seems...that...
教材原句
①It seems a real pity 　that???? thousands of people who could have bene-fited from Traditional Chinese Medicine missed out because of ignorance. 单句填空
②Few people I know seem 　to have????(have) much desire or time to cook.(2018浙江卷语法填空)
③It seems strange 　that???? he should have missed the deadline deliberate-ly.
④While regularly eating out seems to 　have become????(become) common for many young people in recent years. (2018浙江卷)单句改错
⑤That seemed to be her mission to care for her brother's children.
　That→It????
⑥He glanced over at her, noting that though she was tiny, she seemed very good put together.
　good→well????完成句子
⑦Look at the pride on Tom's face. He 　seems to have been praised???? by the manager just now.看汤姆脸上骄傲的表情。他似乎刚才被经理表扬了。点拨
(1)It seems a pity that...……似乎很可惜
(2)It seems+adj./n.+that...似乎……
【点津】????在该句式中,It为形式主语,真正的主语是that引导的主语从句。