人教版 (2019)选择性必修 第二册Unit 1 Science and Scientists评课ppt课件

这是一份人教版 (2019)选择性必修 第二册Unit 1 Science and Scientists评课ppt课件，共47页。PPT课件主要包含了本单元词汇梳理，handle，英语释义辨析义，blame，搭配义，一词多义，suspect，link，severe，subscribe等内容，欢迎下载使用。
前缀 multi- & 否定前缀
severe weather恶劣天气
severe winter寒冬
severe pain剧痛
severe adj  严重的 extremely bad r serius：severe damage / a severe drught 严厉的；苛刻的：be severe with neself  严峻的；激烈的：a severe winter severe cmpetitin词汇拓展► severely adv 严重地；严厉地：a severely plluted lakeAnyne breaking the law will be severely punished.
问题、损害、疾病等“严重的”
人对待事情的态度“严重的”
环境或形势等“严重的”
severe语义网络图
严重的severe基本义
温故知新根据所给汉语，完成句子。I’m afraid I can’t ________________________（同意）the thery.
/ subscribe t
subscribe t 是正式用语
词源解读：sub- (underneath 在下面) + scrib (t write 写) + -e → 在合同下面签字
subscribe vi 订阅（报纸、杂志等）：subscribe t Time  定期交纳（会费）；定期捐款：subscribe t a charity  认购（股份）subscribe t［正式用语］同意；赞成：All scientists subscribe t the view that the increase in the earth’s temperature is due t the burning f fssil fuels.
《时代周刊》(Time) 又称《时代》，创刊于1923年，是近一个世纪以来最先出现的新闻周刊之一，特为新的日益增长的国际读者群开设一个了解全球新闻的窗口。《时代》有美国主版、国际版，以及欧洲、亚洲和拉丁美洲版，是美国三大时事性周刊之一，内容广泛，对国际问题发表主张和对国际重大事件进行跟踪报道。
The laws I lve, the lawyers I suspect.—— Charles Churchill 西方人向来不乏对律师的揶揄之词。这句话译作“我热爱法律，但我怀疑律师。” 说到怀疑，我们很容易想到dubt，这里为什么用suspect呢？dubt和suspect有什么区别呢?
suspect v [不用于进行时] vt & vi 猜想；怀疑 t believe that sth may happen r be true：The dctrs suspected cancer.She strngly suspected he was lying t her.She’s nt ging t be very happy abut this, I suspect. vt 怀疑（某人有罪）t think that sb is prbably guilty f a crime：suspect sb f (ding) sth:They suspect him f a theft. The pliceman suspected him f killing the girl.
认为某事（尤为坏事）可能真实或可能发生，但尚无确切依据。
词源解读：sus- (under 在下面) + spect (lk, see 看) → 从下往上打量着看 → 怀疑
n [C] 嫌疑犯；可疑分子：questin a suspect adj 不可信的；可疑的：a suspect package
suspect：t believe that sth bad may happen r may be true认为某事会发生，尚缺少依据。 The pliceman suspected her f stealing the wallet.
辨析 suspect，dubt
dubt：t think that sth may nt be true r that it is unlikely不确定某事或者认为某事不可能。 I dubt if it will rain tmrrw.
Teacher: Betty, yu made s many mistakes in yur exercises, surely yur mther will blame yu!Betty: Blame me fr them? Oh, n. On the cntrary, she is t blame, because it was she that did my hmewrk instead.
vt 责备；把……归咎于 t say r think that sb / sth is respnsible fr sth bad:Yu’ve failed t d what yu were expected t and I’m afraid the teacher will blame yu.2010 四川① blame sb / sth fr (ding) sth:While we can’t change the bdy type we are brn with, we can’t blame ur genes fr making us fat. 2014 重庆Once yu frm the habit f blaming smebdy r smething else fr a bad situatin, yu are a lser. 2010 广东
② blame sth n sb / sth:Plice are blaming the accident n dangerus driving. 【常见搭配】be t blame (fr sth)（对某事）负有责任：It’s all my fault. I’m t blame. Wh is t blame fr the fire? n [U]（对错误 / 坏事应负的）责任；责备 respnsibility fr a mistake r sth bad：take / bear the blame Where des the blame fr ur failure lie? Lts f peple find it hard t get up in the mrning, and put the blame n the alarm clck. 2017 全国
be respnsible fr
handle由“hand + le”构成，词源义与hand息息相关，其衍生义也与hand有关联。动词handle的词源义是 “(用手) 触；碰；拿”，可根据英语释义中的with hands来理解该释义。
如何理解handle的基本义
handle n [C] 柄；把手：Tea in China was traditinally drunk frm cups withut handles. 2013 全国turn a dr handle
handle v vt （用手）触；碰；拿 t tuch r hld sth with yur hand(s)：Wash yur hands befre yu handle fd. Fragile. Handle with care!
handle 的词源义，根据 with yur hand(s) 来理解
 vt & vi 操纵；驾驭 t cntrl a vehicle, an animal, etc.：Driving a car is nt just handling cntrls and judgingspeed and distance. 2011 福建Priced at ver $120,000, the car handles perfectly well and has great speed acceleratin. 2012 重庆改 vt 处理；应付 t deal with a situatin, a persn, etc.：We must learn t handle cnflicts calmly and wisely. 2012 江苏书面表达
表示“处理；解决”的表达有哪些？
1. 说实话，我有信心能处理这个问题。
Frankly / Hnestly speaking, I’m cnfident that I can handle the prblem.
Frankly / Hnestly speaking, I’m cnfident that I can deal with the prblem.
Frankly / Hnestly speaking, I’m cnfident that I can apprach the prblem.
Frankly / Hnestly speaking, I’m cnfident that I can address the prblem.
Frankly / Hnestly speaking, I’m cnfident that I can manage the prblem.
Frankly / Hnestly speaking, I’m cnfident that I can cpe with the prblem.
Frankly / Hnestly speaking, I’m cnfident that I can tackle the prblem.
2. 说实话，我有信心能解决这一难题。
Frankly / Hnestly speaking, I’m cnfident that I can slve the difficulty.
Frankly / Hnestly speaking, I’m cnfident that I can settle the difficulty.
Frankly / Hnestly speaking, I’m cnfident that I can reslve the difficulty.
Frankly / Hnestly speaking, I’m cnfident that I can wrk ut the difficulty.
handle语义网络图
处理；应付（ “掌”握局势、人、工作或情感）
（用手）触；碰；拿 （词源义）
操纵；驾驭（用“手”接触车辆、动物、工具等以控制）
根据所给汉语，在空白处填入适当的短语。1. Scientists have established a pssible ______________________ __________________________（癌症和日常饮食之间的联系）.2. The prblems f the ecnmy _____________________________ ______________________（与一些社会问题密切相关）.
between cancer and diet
are clsely related t
/ cnnected with
/ linked t / with
/ relatinship
 环；节 联系；关联 (cnnectin) ：Is there a link between smking and lung disease?（交通、沟通的）连接线；（互联网的）链接：a rail / rad / telephne link
link vt 连接；联系 (cnnect) ：He walked with her, linking arms. link ... t / with 把……连接 / 联系起来:A subway line will link the airprt t the city centre.Yellw is linked with cnfidence, self-respect and friendliness.
link n [C]
连接人和人、物和物的“环；节”
链状物上连接在一起的“环；节”
连接交通、沟通的“环；节”
连接互联网的“环；节”
环；节link（基本义）
（交通、沟通的）连接线
decreasevt & vi（使）减少；（使）减小：The number f new students decreased frm 210 t 160 this year.The price f wheat decreased by 15% last year.Peple planted trees n the waste hills t decrease water and sil lss.n [C] & [U] 减少； [C] 减少的量 (reductin)：There has been a decrease in imprts.There has been a decrease f nearly 6% in the number f visitrs t the museum.
实心球（slid ball）是一种体育器材，实心材质，呈球形。它同时也是一种体育项目，讲究力量性和动作速度，部分地区将“投掷实心球”的分数计入中考。
slid ■ n [C] 固体：Water exists as a slid, a liquid and a gas. ■ adj 实心的：a slid ball 固体的：slid fuel / fd  坚固的；牢固的：The ld huse has a slid fundatin. 可靠的；扎扎实实的：There is slid evidence t shw he wasn’t there when the crime tk place.
前缀 multi- 可加在单词前构成新词，其含义是 “多的”“多倍的”。例如：multiple 多个的 multi-cultural 多元文化的 multimedia 多媒体
写出下列句子中画线词的汉语释义。1. Multifunctinal furniture can be used fr guests t sleep. ________2. The ne-time farmer is nw the servant f sme multi-natinal rganisatin. ________3. The bttm f the cean is full f varius and multiclured cral（珊瑚）. ________4. The research indicates that peple wh multitask have the prest results in ding varius things at the same time. ________
多彩的 / 五彩斑斓的
multipleadj 多个（人 / 事件 / 物组成）的；数量多的n [C] 倍数
学习词汇时，除了借助近义词来学习词汇，也可以通过反义词来帮助学习和理解词汇。反义词产生的一个主要途径就是加否定前缀。英语中有很多否定前缀，如 un-, in-, dis-, mis-, nn- 等等。
usual（平常的）→ unusual（不寻常的） crrect（正确的）→ incrrect（不正确的） appear（出现） → disappear（消失） understand（理解）→ misunderstand（误解） smker（吸烟者）→ nnsmker（不抽烟的人）
请给下列单词加上表示否定意义的前缀，并写出其汉语释义。aware → ___________ ________________________ legal → ___________ ________________________ mral → ___________ ________________________ sense → ___________ ________________________agree → ___________ ________________________ stp → ___________ ________________________relevant → ___________ ________________________ advantage → ___________ ________________________like → ___________ ________________________ apprpriate → ___________ ________________________scial → ___________ ________________________
inapprpriate
disadvantage
未察觉到的 / 未意识到的
1. The pliceman suspected her f stealing the wallet.2. It’s all my fault. I’m t blame. 3. Where des the blame fr ur failure lie? 4. We must learn t handle cnflicts calmly and wisely. 5. Yellw is linked with cnfidence, self-respect and friendliness.
写出下列句子中画线部分的汉语释义。
1. The US faces severe ecnmic prblems. ________2. She was a severe wman wh seldm smiled. ________3. The negtiatins （谈判）will be a severe test f abilities. ________4. The cmpetitive advantage is the key factr f crpratin’s success in the severe cmpetitin. ________
写出下列句子中画线部分的汉语释义。1. I subscribe t Reader’s Digest magazine. ________2. We subscribe t an animal prtectin sciety. ________3. Each emplyee may subscribe fr up t $2,00 wrth f shares.________4. We n lnger subscribe t the view that disabled peple are unsuitable as teachers. ________
一、写出下列句子中画线部分的汉语释义。
1. The plice suspect him f carrying ut tw bmb attacks. ________2. Plice have issued a phtgraph f the suspect. ________3. The study was carried ut with such a small sample that its results are suspect. ________
二、用dubt或suspect的适当形式填空。1.  I had __________ whether r nt I shuld attend the meet. 2.  A driver __________ f drink driving shuld prvide samples fr testing.（2011 福建改）
一、在空白处填入1个适当的单词或括号内单词的正确形式。1. Nw he has n ne but himself t blame ___________ lsing the jb. （2014 江西）2. The mther didn’t knw wh _______________ (blame) fr the brken glass as it happened while she was ut.3. Sme peple lay the blame ___________ the Americans, cmplaining that punds have piled n thanks t eating t much American-style fast fd. （2013 湖北改）4. ___________ (blame) fr the breakdwn f the schl cmputer netwrk, Alice was in lw spirits.  5. Je is prud and stubbrn（固执的）, never admitting he is wrng and always lking fr smene else ___________ (blame).（2014 浙江）  
(was) t blame
二、将下列句子译成汉语。The reprt blames pr safety standards fr the accident.________________________________________________ 2. One f the cmputers is brken and she is blaming it n me. ________________________________________________3. Officials believe that mre than ne persn may be t blame fr the fire. ________________________________________________
报告把事故归咎于安全标准不高。
有一台计算机坏了，她正怪罪于我。
政府官员认为，可能不止一人对火灾负有责任。
一、根据句意选出handle的近义词。__________1. The slutin is bvius thugh perhaps nt easy t apply: always handle the mst difficult jb first. （2016 天津）__________ 2. She is a difficult hrse t handle. Be careful. __________ 3. We teach the children t handle the animals gently. 二、根据句意选出画线部分的汉语释义。__________ 1. Cmputers can handle huge amunts f data.__________ 2. She was charged with handling stlen gds. __________ 3. I can’t get a handle n these sales figures.
a. tuchb. cntrlc. deal with
a. 买卖b. 处理c. 弄懂
一、写出下列句子中画线部分的汉语释义。1. There are a number f links between the tw theries. ________2. We click n links nt t the news f the day but t the funniest vides the web has t ffer.（2012 湖北） ________3. Linking arms with ne f the instructrs（教练）, I helped carry the drwning man ut f the water.（2018 全国改） ________二、根据所给词块，将下列句子译成英语。1. 污染和树木枯死之间有关系。(link between)__________________________________________________________2. 有证据表明心脏病与久坐有关。（2014 上海改）(There is prf that, link ... t / with)_____________________________________________________________
There is a link between pllutin and the death f trees.
There is prf that heart disease is linked t / with sitting fr lng perids.
在空白处填入1个适当的单词或括号内单词的正确形式。1. The number f independent firms decreased ________ 198 ________ 96. 2. There has been a steady decrease ________ the number f visitrs.3. The price f wheat has decreased ________ 5%. 4. The __________ (decrease) numbers f fish make fishing much mre dfficult.
根据句意写出画线词的汉语释义。1. Slids turn t liquids at certain temperatures. ___________2. He did nt eat slid fd fr several weeks. ___________3. A tennis ball is hllw（空心的）, but a base ball is slid. ___________4. If yur race car isn’t insured（投保）, yu may risk lsing everything when it hits smething slid. ___________5. The research lacks slid evidence, and therefre, its cnclusins are dubtful.（2012 浙江） ___________6. The taps appeared t be made f slid gld. ___________