人教版(2019) 选择性必修第二册 Unit 1 Science and Scientists 核心词汇突破课件(23张ppt)

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名称 人教版(2019) 选择性必修第二册 Unit 1 Science and Scientists 核心词汇突破课件(23张ppt)
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版本资源 人教版(2019)
科目 英语
更新时间 2022-09-24 10:10:53

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(共23张PPT)
UNIT 1 SCIENCE AND SCIENTISTS
核心词汇突破
核心词汇突破
1.suspect v.怀疑 n.犯罪嫌疑人;可疑对象
单句填空/写出加黑词的含义
①      (suspect) to be a spy,the stranger is being questioned by the police.
②What made you suspect the little child      breaking the window
③The police have narrowed down their list of suspects.    
Suspected 
of 
嫌疑人
【归纳】
suspect sb of (doing) sth 怀疑某人(做了)某事
suspect sb to be...怀疑某人是……
suspect that...怀疑……,猜想……
2.blame vt.把……归咎于;责怪;指责 n.责备;指责
单句填空
①He blamed his wife      the failure of their marriage.
②He blamed the failure of their marriage      his wife.
③In his view,his wife is       (blame) for the failure of their marriage.
for 
on 
to blame
语段填空
④When getting along with others,we shouldn’t always  
             (把错误归咎于其他人).After all,many times
        (我们也有责任).So instead of          (指责他人),we should communicate more and put ourselves in others’ place.(应用文写作之人际交往)
blame others for mistakes
we are to blame
blaming others
【归纳】
be to blame (for sth) (对某事)负有责任,应受责备
blame sb for sth因某事责备某人;把某事归咎于某人
blame sth on sb/sth把某事归咎于某人/某事
3.decrease n.减少;降低;减少量 vt.& vi.(使大小、数量等)减少;减小;降低
单句填空/完成句子
①          (decrease) the amount of rubbish and to protect the environment,more governments are requiring people to recycle materials.
②The number of people aged 50 and under will _______________________
(减少了超过30%) during the time.
To decrease
decrease by more than 30%
一句多译
由于人类活动,一些稀有动物的数目在减少。(decrease)
③Because of human activities,the number of some rare animals
              .
④Because of human activities,the number of some rare animals
         .
is on the decrease
is decreasing
【归纳】
(1)decrease to...减少到……
decrease by...减少了……
decrease from...to...从……减少到……
(2)on the decrease正在减少
on the increase正在增加
4.transform vt.使改观;使改变形态 vi.改变;转变
单句填空
①Their joint efforts have transformed the bald hill      one covered with green trees.
②                (transform) into a frog by the witch (巫婆),the prince was driven out of the castle.
词汇升级
③Your generous help turned my first American trip into an unforgettable memory.
→Your generous help       my first American trip into an unforgettable memory.
into 
Transformed/Having been transformed
transformed
【归纳】
transform sb/sth改变/转化某人/某物
transform...into...使……变成……
be transformed from...into...由……变成……
5.break out (战争、打斗等不愉快的事情)突然开始;爆发
单句填空
①Unluckily,the car broke      halfway.
②The water was covered with ice,which could sometimes break ________
without warning.
③When World War I broke      ,he seemed to have become another person,downhearted.
④The southern states broke      and formed a new nation when Lincoln was elected President.
down 
up
out 
away 
【归纳】
break away (from)脱离;离开
break down出故障;垮掉;分解
break up破碎;解散
6.defend vt.保卫;防守;辩解
单句填空
①The Great Wall was built from the Qin Dynasty and its purpose was
     (defend) their own territories from/against the invasion of their enemies.
②When a dog attacked me,I picked up a stick to defend      (I).
③The monument is in memory of the soldiers who died in     (defend) of their country.
to defend
myself 
defence 
【归纳】
(1)defend...from/against保护……以免受
defend oneself为自己辩解;自卫
(2)defence n.防御;保卫
in defence of保卫……
7.in charge of主管;掌管
写出加黑词的含义
①The outstanding scientist is in charge of handling the matter.    
②I will charge you one hundred yuan for repairing your cellphone.    
③The police charged the thief with stealing raw materials in the company.
    
④The kind-hearted mechanic helped charge my phone.    
负责
收费
控告
(给……)充电
【归纳】
(1)charge n.费用;主管;看管;责任 v.收费;控诉;要价;指控;充电
(2)take charge of负责/看管(表动作)
free of charge免费
(3)charge (sb) for sth为……(向某人)收费/要价
charge sb with (doing) sth指控某人(做)某事
8.come down (with...) 染上;得了(……病)
单句填空
①Please tell me how the accident came      .
②My assistant’s first novel came      ,which made me proud of him.
about 
out 
语段填空
③         (当谈及) English learning,I have the following practical suggestions to share.Firstly,when you        (遇见) unfamiliar words,don’t always refer to the dictionary.Furthermore,when teachers’ questions         (被提及) in class,you should try to
       (想出) answers.Lastly,if you fail,you must say to yourself,
“          (加油)!”(应用文写作之建议信)
When it comes to
come up
come up with
Come on
come across
【归纳】come across(偶然)遇见;碰见;被理解
come about发生(无被动形式)
come on加油;到来;得了吧
come out出版;结果是;(花)开放
when it comes to...当谈及……
come up走近;上来;被提及
come up with提出;想出(主意、计划、回答等)
9.above all最重要的是;尤其是
短语填空
①If you want to achieve success,         ,you must be strict with yourself.
②I was very upset to find out that he didn’t like my gift        .
③How many students are there in your school          
above all
at all
in all
语段填空
④The university I recommend to you is Beijing Language and Culture University.       (首先),you’d better learn some basic Chinese before you come.      (毕竟),you will be under completely unfamiliar circumstances.       (总而言之),studying for a degree in a different culture is not easy      (一点也不).(应用文写作之推荐信)
First of all
After all
All in all
at all
【归纳】
after all 毕竟;终究
all in all整体说来;总而言之
in all全部;合计
first of all首先
at all (否定句)一点也不;(疑问句)到底;究竟