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选修8 Unit 3 Inventors and inventions 教学辅导

    06-21 12:25:29    浏览次数: 643次    栏目:高二英语教案

标签:人教版高二英语教案,高二英语教案下载,http://www.deyou8.com 选修8 Unit 3 Inventors and inventions 教学辅导,

一. 教学内容:
Unit 3 Inventors and inventions
二. 教学目标:掌握本单元的重点单词与短语
掌握本单元的语法:过去分词的用法
Ⅰ.Language points:
1. When I called up my mother in the countryside on the telephone, she was very upset.
call up 打电话,使……回忆起
今晚我会给你打电话。
Tonight I will call you up.                                               
老相片引起了我对童年的回忆。
The old photo call me up of my childhood.                                  
call back召唤某人回来;再访;回电话
call for需要,要求,接(人或物)
call in邀请;请来
call on拜访(人)
call at拜访(某地)
Ex. ——Can I do the job?
    ——I’m afraid not, because it ______skill and patience.
    A. calls on                 B. calls out  
C. calls up                D. calls for
2. now and then 时而;不时= sometimes, but not often
我有时喜欢去看歌剧。
______________________________________________________________
(I like to go to watch the opera now and then.)
相关短语:
from time to time有时;不时
(every) now and again时而;不时
from now on从现在开始,今后
just now刚才
since then从那时以来
  3. Here was a chance for me to distinguish myself by inventing something that would catch snakes but not harm them.
distinguish vt. & vi.
(1)辨别;辨认
从远处我能认出他们。
______________________________________________________________
(I)can distinguish them at a distance.)
(2) (常与from, between连用)区别;区分
应当教育孩子分辨好坏。
Children should be taught to ________________________________________
(3) (常与from连用) 有别于;有……特点
语言把人和动物区别开来。
Speech______________________________________________________
( Speech distinguish humans from other animals.)
(4)distinguish oneself 显扬自己;使自己扬名
这个人因智慧而扬名。
The man_________________________________________________________.
(The man distinguished himself by his wisdom.)
distinguished adj. 著名的,出名的
distinguishing adj. 有区别的
distinguishable adj. 可区别的
4. I set about researching the habits of snakes so I could trap them in the easiest way.
set about =set out: to begin or start 着手;开始
Ex1.他一到那儿就着手解决问题。
He _________________________________________________ as soon as he arrived there.
= He _______________________________________________ as soon as he arrived there.
set out出发,起程
set out to do sth. 开始做某事
set off出发,动身
set aside留出,对……不予考虑
set down记下,写下
set up设置,造成,产生
  5. They abruptly disappeared into a convenient hole in the wall.
abruptly adv.突然地,唐突地     abrupt adj.突然的;意外的
Ex. 这路有很多急转弯。
Ex1. The road is full of ________________________________________________.
这会议突然结束了。
Ex2. The meeting came to _____________________________________________.
6. Ex1)._________ with the size of the whole earth, the biggest ocean does not seem big at all.
    A. Compare              B. When comparing  
C. Comparing             D. When compared
Ex2). _____more time, we are sure to finish it.
A. Given     B. Giving   C. Be given    D. If giving
注意:在条件/时间/让步状语从句中,当主语从句与从句的主语一致时,从句中的主语与be可以省略。
7. convenient  adj. 便利的,方便的
be convenient to sb. 对某人方便
it is convenient for sb. 对某人方便
it is convenient to do sth. 做某事方便
Ex1.三点钟对你方便吗?
_____________________________________________________________

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Ex2.我想这个时候见你恐怕不大合适。
I’m afraid this isn’t a ________________________________________ to see you.
警示: convenient 不能以人作主语。
Ex3. Come and see me whenever________________.
A. you are convenient      B. you will be convenient
C. it is convenient to you    D. it will be convenient to you
Ex4. If it is quite ______ to you, I will visit you next Tuesday.
A. convenient    B. fair   C. easy   D. comfortable

Ⅱ.Grammar:
动词-ed形式作定语
动词-ed形式作表语
动词-ed形式作宾语补足语
一、动词-ed形式作定语
过去分词作定语往往与被修饰的词靠得很近,渐渐地成为一个复合词。这种分词叫分词形容词 (the Participle Adjective), 实际上相当于一个单纯的形容词, 除表示“完成”的动作之外, 还表示“被动”的意义。如:
spoken English (英语口语);
iced beer (冰冻啤酒);
cooked food (熟食);
fried chips (炸土豆条);
但要注意不及物动词的过去分词常表示“完成”的动作, 而不表示“被动”的意义。如: boiled water(开水); fallen leaves(落叶) ; the risen sun(升起的太阳)等。
1. The tall man is a returned student.高个子的那个人是个归国留学生。
2. My parents are both retired teachers. 我的父母都是退休教师。
(1)前置定语
    单个的动词-ed形式,一般放在被修饰
的名词的前面, 作前置定语。                               
    The excited people rushed into building.    
    激动的人们冲进大楼。
    (=the people who were excited)
    Lost time can never be found again.
    虚度的时光, 无法挽回。
    (=time which is lost)
(2)后置定语
    ①少数单个动词的-ed形式, 如left等, 只能
作后置定语。
    Everything used should be marked.
    所有用过的东西应该做好标记。
② 动词-ed形式短语作定语时, 通常要放在被修饰的名词的后面, 在意思上相当于一个定语从句。及物动词的过去分词作定语用来表示被动,可改为带被动语态的定语从句;不及物动词的过去分词(仅限于单个过去分词,且不能后置)则表示完成,可改为带有完成时态的定语从句。       

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