2015-2016学年人教版高中英语必修2课件Unit 3Computers 3.ppt
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人教版高中英语必修2Unit 3 computers十三11张课件ppt
(1)We can find it at the beginning of the passage. (2)We can find it at the end of the passage. (3)We can find it in the middle of the passage.
(4)We can get the main idea according to the passage.
My Grandfather
Paragraph1: when my grandfather was young, he liked to help others.
Paragraph2: when my grandfather grew up, he was a soldier in the Red Army.
The timeline of the passage1960s
1970s
now
Writing
Task 1:
Imagine you want to write a passage about “One
Day of My School Life” , can you tell me the timeline
Machine with artificial intelligence
2.How to write the outline a passage according to the timeline.
Homework:
Write a passage about “My Grandfather” according to the timeline (about 100 words).
of the passage?
(1) in the morning
人教版教材英语必修二unit3_computers课件
手机 中国移动 中国联通 中国电信 流动商店
6. Solve To work out the answer to a problem 解决；解答 solution n.解决办法；处理手段
With the help of his friends, he finally _s_o_l_v_e_the
problem. 在朋友们的帮助下，他终于解决了这个问题。
1. revolution
Complete change in ways of thinking, working, etc n. 革命
cultural revolution 文化大革命 industrial revolution 工业革命
work
• Connected computer system 网络 网状物
Unit3 Computers
复习
Fill in the blanks:
I began as a __ca_lc_u_la_t_ing_m_a_ch_i_ne___ in 1642 in France. In 1822 I was built as an A_n_a_ly_ti_ca_l M__ac_h_in_e. Then in 1936 Alan Turing wrote a book and built a __u_n_iv_e_rs_al_m_a_ch_i_ne_. By the 1940s, I had grown as large as a_r_o_o_m As the years have_g_o_ne_b_y_, I have been made s_m_a_ller. In the 1960s they gave me a family____ _c_o_nn_e_ct_ed_b_y__ne_t_w_ork .Now people call it the Internet. I was _br_o_ug_h_t i_nt_o_p_eo_p_le_’s_ho_m_e_s in the 1970s.So I became PC. Since my birth I have truly been built to serve the human race.
高中英语人教版必修2 Unit 3 Computers 课件
What’s next?
carry things work in wars work for us in Mars
Activity 2 Thinking Q: In what ways is the computer used？
communicate with…
Watch movies & TV plays
More knowledge about computers
1. What is IT? Information Technology.
2. What is CPU? Central Processing Unit.（中央处理器） 3. What is WWW? World Wide Web. 4. What is the English for “科学技术”? science and technology.
listen to music
do shopping
search for …
play computer games
Besides, we can … with computers
• send e-mails instead of letters;
• read news at home and abroad;
register 注册，登记 software 软件
download 下载
hardware 硬件
Consolidation
• Complete the sentences with proper words. 1. We should use computers properly and
never be a m_o_u_se__ potato. 2. In the accident he e_s_ca_p_e_d_ being killed. 3. You can input the capital letters when you
人教版必修2 unit3 computers 课件
it ), does the verb have –s or –es after it ? 3. Are all the sentences about the appearance
or function of an android ? 4. Grade it with A . B . ( If all the above are done ,
it is A . If not , it is B )
Android DIY
Design and describe your own android
Let your imagination fly!
What kind of android do you wish to have?
How many paragraphs do we need to describe an android ? What will you talk about in the paragraphs ? Paragraph 1 : Paragraph 2: Paragraph 3 : In the next page , there are 4 pictures , choose one and write a paragraph with more than 20 words .
Group work :
The most important things we need Is the sentences
Now you have enough words or expressions in your mind about computer . But how many sentences do you know if you are to describe a computer ?
or function of an android ? 4. Grade it with A . B . ( If all the above are done ,
it is A . If not , it is B )
Android DIY
Design and describe your own android
Let your imagination fly!
What kind of android do you wish to have?
How many paragraphs do we need to describe an android ? What will you talk about in the paragraphs ? Paragraph 1 : Paragraph 2: Paragraph 3 : In the next page , there are 4 pictures , choose one and write a paragraph with more than 20 words .
Group work :
The most important things we need Is the sentences
Now you have enough words or expressions in your mind about computer . But how many sentences do you know if you are to describe a computer ?
高中英语人教版必修二《Unit3 Computers》课件
Fill in the blanks
I am a(n) ___st_r_ik_e_rin an android football team.
Self
I look like a human and I’m as big as a
introductio human.
n
My computer ___c_h_ip_s_ help me move and
= ___W_h_i_le__d_o_i_n_g_h_i_s_E_n_g_li_s_h________ ___h_o_m_e_w__o_r_k_, _h_e_f_e_ll_a_s_le_e_p__. _____
5. Then she prepares reliable moves to use if a new situation arises. arise vt. 产生，产生； 站起来，起身；起床；上升， 升起
拓展
in the way或in one’s way 挡道，碍事 反义词组：out of the way in any way 不管如何，不管怎样 in no way 决不 注意：置于句首时，句子用部分倒装语序。如：
You’ll have to move — you are in my way. Please keep out of the way. I must finish the work today in any way. Teaching in school can in no way be separated from practice. In no way did he admit that he was wrong.
4) A heavy smoke arose and hung over the town.
新人教版高中英语必修二Unit3_Computers_课件精品ppt课件
Develop Early days ment Name A calculating _________ machine An analytical ________ machine
Reading:
Who am I?
tube 电子管
transistor 晶体管
chip 芯片
Fast-reading:
1. Who is the speaker in this story? A computer. 2. Write down three sentences from the story to support your idea. 1) I was built as an Analytical machine by Charles Babbage. 2) My real father, Alan Turing, … 3) I was always lonely standing there by myself, until in early 1960s they gave me a family connected by a network.
abacus laptop PC
calculator
huge computer
PDA robot
What do they have in common?
• • • • I think that… 1.They can be used In my opinion… for calculating. I believe that… 2.They can deal with What’s your maths problems. reason? 3.They are our • Why do you friends. think so? 4.They are useful and helpful.
人教版高一英语必修二课件：Unit3Computers (共77张PPT)
6．_c_a_lc_u_l_a_te_ vt. 计算 _c_a_lc_u_l_a_ti_o_n_ n. 计算；估计；推测 _c_a_l_c_u_la_t_o_r_ n. 计算器 7．__s_i_m_p_l_if_y_ vt. 简化 _s_i_m_p__le_ adj. 单纯的；易懂的；朴素的 _s_i_m_p__ly_ adv. 简单地；朴素地；仅仅
appearance 11．_a_p_p_e_a_r_____ n. 外观；外貌；出现
te_c_h_n_o_l_o_g_y_ vi. 出现 12．te_c_h_n_o_l_o_g_ic_a_ln. 工艺；科技；技术
c_h_a_r_a_c_te_r_____ adj. 科技的 13．c_h_a_r_a_ct_e_r_is_t_icn. 特点；性格
logical 19．lo_g_i_c_a_ll_y__ adj. 合逻辑的；合情理的
u_n_iv_e_r_s_a_l_ adv. 逻辑上；合逻辑地 u2n0i．ve_r_s_e_____ adj. 普遍的；通用的；宇宙的 ____a_r_t_i_fi_cianl. 宇宙 21．a_n_y_h_o_w____ adj. 人造的；假的 22．________ adv. 无论如何；即使如此
5．He has thought of a way of solving the problem.
→_________________________________________ ______A__w_a．y of solving the problem has been thought of
2.signal vi & vt.发信号 n．信号 [教材原句] For example，I have learned to signal to my teammates in computer language to give me the ball when I am open and have a good shot for a goal. 例如，当我启动的时候，我可以用计算机语言向队友 示意把球传给我，这样可以有一个漂亮的射门。
人教版高中英语必修2Unit 3 Computers校级公开课十六18张课件ppt
advantages
Download(下载) information See a movie or watch TV Play computer games Buy goods you want Do some chatting improve people's ability of thinking
headphone
Hard disk
GPU/显卡
Do you like it?
First-reading
1.Where were you in 1642? 2.What happened to you in 1822? 3.Who was your real father? 4.What happened to you in the 1970s?
- --- - - -
disadvantages
Too expensive Addictive to play computer games Virtual things (虚拟的) People can not write right Chinese letters
- --- - - -
Summary
Dell
TCL
Acer宏基
惠普
What makes up the computer? And can you name each part ?
NIC/内存
screen
CPU/处理器 (Central processing unit)
mouse
Main board/主板
Sound box Key-board
The development of computers technology
F. analytical machine A. universal machine
人教版高中英语必修二：Unit3《Computers》课件
_1_8_2_2: The Analytical Machine was made by Charles Babbage.
1936: A__la_n__T__u_r_i_n_g__w_r_o__te__a__b_o_o_k__t_o__d_e_s_c_r_i_b_e__h_o_w_____ computers could be made.
5._s_im__p_l_e_-_m_ inded unable to understand difficult things
6.___g_o__b_y__
pass
7.___d__e_a_l_w_ith take correct action
8. __n__e_tw__o_r_k broadcast on several different channels
1960s:Co_m__p__u_t_e_r_s_h__a_d__n_e_w__t_r_a_n__si_s_t_o_r_s_a__n_d__b_e_c_a_m__e__s_m__aller.
1_9_6__0_s: The first family of computers was connected to each
1. Then in 1822 I was built as 2. an Analytical machine by 3. Charles Babbage.
2. My real father was Alan Turing, who in 1936 wrote…solve any mathematical problem.
keyboard
mouse
CPU hard disc
USB Flash Disk
floppy disc
1936: A__la_n__T__u_r_i_n_g__w_r_o__te__a__b_o_o_k__t_o__d_e_s_c_r_i_b_e__h_o_w_____ computers could be made.
5._s_im__p_l_e_-_m_ inded unable to understand difficult things
6.___g_o__b_y__
pass
7.___d__e_a_l_w_ith take correct action
8. __n__e_tw__o_r_k broadcast on several different channels
1960s:Co_m__p__u_t_e_r_s_h__a_d__n_e_w__t_r_a_n__si_s_t_o_r_s_a__n_d__b_e_c_a_m__e__s_m__aller.
1_9_6__0_s: The first family of computers was connected to each
1. Then in 1822 I was built as 2. an Analytical machine by 3. Charles Babbage.
2. My real father was Alan Turing, who in 1936 wrote…solve any mathematical problem.
keyboard
mouse
CPU hard disc
USB Flash Disk
floppy disc
新人教版高中英语必修二《Unit 3 Computers》精品
11. intelligent 12. solve 13.reality 14.personal 15.Personally 16.total 17. totally 18.application 19. explore 20. anyhow 21.goal 22.happiness 23.arise 24.appearance 25.character
been __to_t_a_ll_y__ (完全地) changed. People have
to __e_xp_l_o_re__(探索) solutions by surfing the
Internet. __A_n_y_h_o_w_(不管怎样), computers have
changed people’s way of life!
Computers can simplify your work, by calculating difficult sums easily.
精选课件ppt
8
personal
就我个人看Leabharlann 来，学生应 当恰当地使 用电脑。Personally, students should Use computers in a proper way.
精选课件ppt
12
Witing Task
❖ 写短文描述下面的现象并谈谈你的个人看法。
❖ 当今时代，电脑普遍应用，它不仅通过轻松计算 任何难题的方式简化我们的工作，而且还能帮助 我们解决任务，而这些任务往往是在短时间内难 以完成的。因而不少学生对电脑如此着迷以至于 花费了大量的时间，结果他们考试不及格。即使 如此，个别学生还是疯狂地探究它。
1）so +adj/adv +that从句。 2） so +adj+ a(n)+单数可数名词+that从句。 3）so+ many/much/few/little +名词+that从句。 Such…that表示“如此…以至于”引导结果状语
人教版高中英语 必修二 Unit3 《Computers ---Reading》 课件 (共24张PPT)
The development of computers:
Analytical machine
Universal machine Internet
Artificial intelligence
Computer
Calculating machine
The development of computers:
Exploration
How can we find the top sentences quickly and correctly?
1. the first sentence of the paragraph. 2. the last sentence of the paragraph. 3. the second sentence or the sentence after such words as "however, but… 4. No topic sentences. We should conclude.
Careful reading
Task 1: Scan the text and then choose the best
answer according to the text.
1.How long did it take before the computer was built as
an analytical machine?
advantages
1municate with friends all over the world 2.listen to the music 3.see films & watch news 4.play games 5.do shopping 6.save a lot of time 7.do a lot of useful things 8……..
Analytical machine
Universal machine Internet
Artificial intelligence
Computer
Calculating machine
The development of computers:
Exploration
How can we find the top sentences quickly and correctly?
1. the first sentence of the paragraph. 2. the last sentence of the paragraph. 3. the second sentence or the sentence after such words as "however, but… 4. No topic sentences. We should conclude.
Careful reading
Task 1: Scan the text and then choose the best
answer according to the text.
1.How long did it take before the computer was built as
an analytical machine?
advantages
1municate with friends all over the world 2.listen to the music 3.see films & watch news 4.play games 5.do shopping 6.save a lot of time 7.do a lot of useful things 8……..
2015-2016学年人教版 必修2 Unit 3 Computers课件(51张)
Unit 3 Computers 电 脑
点击进入相应模块
Ⅰ. 单词盘点
根据词性和汉语意思写出词汇
1. _________ artificial (adj. ) 人造的；假的
2. _____ solve (vt. )
3. _______ finance (n. )
解决，解答
金融；财经
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外还可指“征兆，迹象”。
普通用词，含义广泛。既可指为便于辨认而有意识 mark 地所做的标记，又可指自然而然形成的标志或有
别于其他事物的特征。也可用于指“分数，成绩”。
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④I put a ______ mark on the note to remind me to check the figures. symbol of freedom. ⑤The white bird is a ________ sign of his getting over his illness in a short time. ⑥There is no _____ signal ⑦We live too far from the city to get a strong television ______.
doctor. 呼吸急促是个危险的征兆，你该去看你的医生了。
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【辨析】理解下列区别并选词填空
指符号、象征、标志等，常表示某种有深邃寓意的 symbol 事物。
signal sign 指为某一目的而有意识地发出的信号。 表示“记号、符号”时，同symbol。表示“告示，标 志”时，侧重指用图形、文字等所表达的内容，另
arise
rise
(vi. )出现，发生， arose 起因于 (vi. ) 升起，起立， rose 增长，上升
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Ⅰ. 单词盘点
根据词性和汉语意思写出词汇
1. _________ artificial (adj. ) 人造的；假的
2. _____ solve (vt. )
3. _______ finance (n. )
解决，解答
金融；财经
点击进入相应模块
外还可指“征兆，迹象”。
普通用词，含义广泛。既可指为便于辨认而有意识 mark 地所做的标记，又可指自然而然形成的标志或有
别于其他事物的特征。也可用于指“分数，成绩”。
点击进入相应模块
④I put a ______ mark on the note to remind me to check the figures. symbol of freedom. ⑤The white bird is a ________ sign of his getting over his illness in a short time. ⑥There is no _____ signal ⑦We live too far from the city to get a strong television ______.
doctor. 呼吸急促是个危险的征兆，你该去看你的医生了。
点击进入相应模块
【辨析】理解下列区别并选词填空
指符号、象征、标志等，常表示某种有深邃寓意的 symbol 事物。
signal sign 指为某一目的而有意识地发出的信号。 表示“记号、符号”时，同symbol。表示“告示，标 志”时，侧重指用图形、文字等所表达的内容，另
arise
rise
(vi. )出现，发生， arose 起因于 (vi. ) 升起，起立， rose 增长，上升
高一英语必修2Unit3Computers课件-人教版
to each other. 1970s: _C_o_m__p_u_t_er_s_w__e_re__b_ro_u_g_h_t_i_n_t_o_p_e_o_p_l_e’_s_h_o_m_ es. Now: C_o_m__pu_t_e_rs_c_o_n_n_ec_t_p_e_op_l_e_a_ll_o_v_e_r _th_e_w_o_r_ld_t_o_g_et_h_er.
personal computer notebook computer
You are asked to use the following expression in your discussion.
– I think that … – In my opinion… – I believe that… – Why do you think so? – What’s your reason?
What do they have in common?
• I think that they all can calculate something. It can deal with some maths problems.
Have the computer and Internet become part of your life?
A universal machine.
4 What happened to you in the 1970s?
I was brought into people’s homes.
Comprehending
1 Who is the speaker in this story? A computer.
Timeline
1642: _T__h_e_c_o_m_p_u_t_e_r_b_e_g_a_n_a_s_a__c_a_lc_u_l_at_i_n_g_m__ac_h_i_ne. _1_8_2_2: The Analytical Machine was made by
personal computer notebook computer
You are asked to use the following expression in your discussion.
– I think that … – In my opinion… – I believe that… – Why do you think so? – What’s your reason?
What do they have in common?
• I think that they all can calculate something. It can deal with some maths problems.
Have the computer and Internet become part of your life?
A universal machine.
4 What happened to you in the 1970s?
I was brought into people’s homes.
Comprehending
1 Who is the speaker in this story? A computer.
Timeline
1642: _T__h_e_c_o_m_p_u_t_e_r_b_e_g_a_n_a_s_a__c_a_lc_u_l_at_i_n_g_m__ac_h_i_ne. _1_8_2_2: The Analytical Machine was made by
高中英语unit 3 computers课件新人教版必修2
A. Since the 1970s people have discovered new use for me.
B. Since the 1970s people have found me many new rules.
Listening
I have been changed quite a lot over time. I began as a calculating machine in 1642 in France. In 1822 I was built _______ ________ analytical ______. machine Then in 1936 Alan Turing wrote a as an _______ universal ______. machine As time went by, I was book and built a _______ made smaller. Since the 1970s, I have been used in offices laptop and homes, first as a ___ PC and then as a _______. These changes only became possible as my memory tubes then on transistors improved. First it was stored in ____, _______ chips In the 1960s they gave me and later on very small ____. network Now people call it the a family connected by a _______. World _____ Wide Web _____ ____ or the Internet. Many new applications have also been found for me. I have been widely applied in communication ___________, finance, trade ____, mobile phones operations and _____ space robots, _____ _____, medical ________ rockets happiness that I am a ______. I am now filled with ________ friend and helper of humans.
人教版高中英语必修2精品课件：Unit 3 Computers 3.2
一 二 ቤተ መጻሕፍቲ ባይዱ 四
X 新知导学 D 答疑解惑
INZHI DAOXUE
AYI JIEHUO
一、写出你在作出决定或推理时常用的句式 1.作出决定的句式: 1) 2) 3) 4) 5) ...
-2-
Section Ⅱ Learning about Language,Using Language,Summing Up & Learning Tip
答案:C 3.What is the main difference between an android and a man? A.An android is not the same as a man in size and appearance. B.It can’t talk like a man. C.It is cleverer than a man. D.It can’t think for itself just as a man does. 答案:D
-7-
Section Ⅱ Learning about Language,Using Language,Summing Up & Learning Tip
一 二 三 四
X 新知导学 D 答疑解惑
INZHI DAOXUE
AYI JIEHUO
四、按照课文的内容和句子结构的语法性,在空格处填入一个适当 的词或使用括号中词语的正确形式填空 My first football competition was in Nagoya,Japan several years st year our team went to Seattle,Washington in the USA.We won second place.Personally,I think the team that won first place cheated (cheat).They had developed a new type of program just before the competition (compete).So we need to encourage our programmer to improve our intelligence too.We are determined to a create an even better system.In way our programmer is like our coach.She programs us with all the possible moves she has seen while watching human games.Then she prepares reliable moves to use if a new situation arises.In this way I can make up new moves using (use) my “artificial intelligence”.
X 新知导学 D 答疑解惑
INZHI DAOXUE
AYI JIEHUO
一、写出你在作出决定或推理时常用的句式 1.作出决定的句式: 1) 2) 3) 4) 5) ...
-2-
Section Ⅱ Learning about Language,Using Language,Summing Up & Learning Tip
答案:C 3.What is the main difference between an android and a man? A.An android is not the same as a man in size and appearance. B.It can’t talk like a man. C.It is cleverer than a man. D.It can’t think for itself just as a man does. 答案:D
-7-
Section Ⅱ Learning about Language,Using Language,Summing Up & Learning Tip
一 二 三 四
X 新知导学 D 答疑解惑
INZHI DAOXUE
AYI JIEHUO
四、按照课文的内容和句子结构的语法性,在空格处填入一个适当 的词或使用括号中词语的正确形式填空 My first football competition was in Nagoya,Japan several years st year our team went to Seattle,Washington in the USA.We won second place.Personally,I think the team that won first place cheated (cheat).They had developed a new type of program just before the competition (compete).So we need to encourage our programmer to improve our intelligence too.We are determined to a create an even better system.In way our programmer is like our coach.She programs us with all the possible moves she has seen while watching human games.Then she prepares reliable moves to use if a new situation arises.In this way I can make up new moves using (use) my “artificial intelligence”.
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—That's OK. We'll catch the next train to London. 解析 句意：——噢，不！我们来得太晚了。火车已经离开了。——好吧。我们坐下一班火车去伦敦。
强调对现在造成的影响，用现在完成时。
6．[2013· 湖南高考改编]—Have you heard about the recent election? —Sure, it ________(be) the only thing on the news for the last three days. has been
11
01课前自主预习
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人教版 ·英语 ·必修2
2.表示一个被动的动作或状态开始于过去，持续到现在，并有可能持续下去，常与 for 或 since 引导的 时间状语连用，或用于 How long...？句型中。 The plan has been discussed for nearly 2 hours. 这项计划已被讨论了近两个小时了。 3.用在时间或条件状语从句中，表示将来某时已完成的动作，即用现在完成时的被动语态代替将来完 成时的被动语态。 You can go home as soon as your task has been finished. 你的任务一完成就可以回家。
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人教版 ·英语 ·必修2
Ⅲ.现在完成时的被动语态的注意事项 1．现在完成时的被动语态有两个助动词，即 have /has 和 been，两者缺一不可。 2．注意其与一般过去时的被动语态的区别： 一般过去时的被动语态表示一个被动的动作发生在过去某个时候，其结果对现在没有影响；而现在完 成时的被动语态侧重于动作或状态尽管发生在过去，但该动作或状态对现在造成了影响(或产生了结果)。 The big fire was put out two hours ago. 大火两小时前被扑灭了。 The big fire has been put out. 大火已经被扑灭了。
人教版· 必修2
人教版 ·英语 ·必修2
Unit 3
Computers
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人教版 ·英语 ·必修2
Section Ⅲ
Grammar
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人教版 ·英语 ·必修2
01课前自主预习
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has been taught 2． [2014· 湖南衡阳联考变式题]Every young man and young woman in this village______________(teach)
how to grow tobacco, which brings them large profits.
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人教版 ·英语 ·必修2
3．finish，buy，start，begin，post，return，borrow, join，marry，open 等非持续性动词的现在完成 时的被动语态不能与表示一段时间的状语连用。 这个工程开始多久了？ 误：How long has this project been started? 正：How long ago was this project started? 4．短语动词是一个不可分割的整体，在被动结构中要保持其完整性，不可省略短语动词中的介词或副 词。 It is said that the problem has been looked into. 据说已经调查这个问题了。
make decisions about school affairs.
解析 句意：这个学校董事会是由已经当选，并为学校事务做决定的父母组成的。父母是被选上，用 被动语态，根据句意，选举一事对现在有影响，所以用现在完成时。
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人教版 ·英语 ·必修2
has left 5．[2013· 山东高考改编]—Oh, no! We're too late. The train________(leave) ．
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人教版 ·英语 )The programmer has programmed the robots to act just like human beings. The robots have been programmed to act just like human beings by the programmer. ________________________________________________________________________ (2)They have put the computer into a robot. The computer has been put into a robot by them. ________________________________________________________________________ (3)We have finished the work now. The work has been finished (by us) now. ________________________________________________________________________ (4)He has given the child some interesting books. The child has been given some interesting books by him./Some interesting books have been given to the child
has been swept 10．The city____________________(sweep) through by heat wave recently.
解析 句意： 最近炎热横扫了这座城市。 时间状语 recently 与现在完成时连用， 且主语 the city 与 sweep 之间为被动关系，故用现在完成时的被动语态。
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人教版 ·英语 ·必修2
[强化印证] 1．用所给词的适当形式填空
has been explored (1)This part of the seabed____________________(explore) many times. has been collected (2)Much useful information about these planets ____________________(collect) since 1971. have been given (3)How many suggestions____________________(give) to you so far? has been repaired (4)The temple____________________(repair) since last year. will be discussed (5)These questions____________________(discuss) at the next meeting.
解析 句意：我们的教室已经打扫过，现在你没必要打扫了。强调对现在造成的影响，故用现在完成 时，教室与打扫的关系为被动。 8． In the last few years thousands of films ____________________(produce) all over the world. have been produced 解析 根据 in the last few years 本句该用现在完成时态。film 与 produce 之间为被动关系。句意：在 过去的几年里全世界有成千上万部电影被生产。 has been used 9．Paper money__________________________ (use) for over a thousand years. 解析 考查时态和语态。句意：纸币已经使用一千多年了。
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02课堂师生共研
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人教版 ·英语 ·必修2
02课堂师生共研
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人教版 ·英语 ·必修2
现在完成时的被动语态 Ⅰ.基本构成：现在完成时的被动语态由“have/has been＋过去分词”构成，其中第三人称单数用 has， 第三人称复数及其余人称用 have。 1．肯定式：主语＋have/has＋ been＋及物动词的过去分词＋其他 The car has been repaired. 这辆汽车已经被修理过了。 2．否定式：主语＋have/has＋ not＋been＋及物动词的过去分词＋其他 The house hasn't been cleaned for a long time. 这所房子很久没有打扫了。 3．一般疑问式：Have/Has＋主语＋been＋及物动词的过去分词＋其他？ Has my letter been received? 你收到我的信了吗？
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02课堂师生共研
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人教版 ·英语 ·必修2
4．特殊疑问式：特殊疑问词＋have/has＋主语＋been＋及物动词的过去分词＋其他？ How long has the car been used? 这辆汽车用了多长时间了？ Ⅱ.现在完成时的被动语态的主要用法 1.表示过去发生的动作对现在造成的影响与结果。当动词为短暂动词时，可与 already 或 yet 连用，但 不能与 for 或 since 引导的表示一段的时间状语连用。 I'm sorry, but the letters haven't been typed yet. 很抱歉，这些信件还没有被打印出来。(结果是，现在还拿不到这些信件) The work has already been finished. 工作已完成了。(结果是，现在不用做这项工作了)