人教版高二英语选修八 Unit3 Vocabulary单词识记(60张PPT)
合集下载
人教课标高二选修8 Unit 3
通过 12. __r_in_g__b_a_c_k____ 回电话 13. __r_in_g__o_ff______ 挂断电话
(四) 句式
Only after you have had that recognition can you say that you are truly an inventor . 当only修饰副词、介词短语或状语从句, 且 放于句首时, 句子要用部分倒装。
汇 beaten track, dive into, set out (to do),
表 hang on, out of order, get through,
短
ring back, ring off
语 课 get rid of, decide on, be made of, as 文 before, bend down, pick up, bank 中 balance, at a time, a flash of inspiration
(pl) 蔬菜水果店 14. __d_ir_e_c_t_o_r_y_ n. 电话薄; 商行名录 15. __d_ia_l__ vt. 拨(电话)
16. _r_a_i_n_f_a_ll_ n. 降雨 17. __l_a_n_te_r_n___ n. 灯笼; 提灯 18. __j_a_m__ n. 堵塞; 阻塞; 果酱 19. __f_o_r_e_h_e_a_d__ n. 额头 20. __d__o_t __ n. 点; 小圆点
vt. 以小圆点标出; 分散 21. __t_a_p__ vt. & vi. 轻打; 轻拍; 轻敲
n. 轻轻地敲击(声); 水龙头 22. __w_i_r_e_ n. 金属丝; 电线 23. __s_t_ra_w___ n. 稻草; 麦秆; 饮料吸管
(四) 句式
Only after you have had that recognition can you say that you are truly an inventor . 当only修饰副词、介词短语或状语从句, 且 放于句首时, 句子要用部分倒装。
汇 beaten track, dive into, set out (to do),
表 hang on, out of order, get through,
短
ring back, ring off
语 课 get rid of, decide on, be made of, as 文 before, bend down, pick up, bank 中 balance, at a time, a flash of inspiration
(pl) 蔬菜水果店 14. __d_ir_e_c_t_o_r_y_ n. 电话薄; 商行名录 15. __d_ia_l__ vt. 拨(电话)
16. _r_a_i_n_f_a_ll_ n. 降雨 17. __l_a_n_te_r_n___ n. 灯笼; 提灯 18. __j_a_m__ n. 堵塞; 阻塞; 果酱 19. __f_o_r_e_h_e_a_d__ n. 额头 20. __d__o_t __ n. 点; 小圆点
vt. 以小圆点标出; 分散 21. __t_a_p__ vt. & vi. 轻打; 轻拍; 轻敲
n. 轻轻地敲击(声); 水龙头 22. __w_i_r_e_ n. 金属丝; 电线 23. __s_t_ra_w___ n. 稻草; 麦秆; 饮料吸管
人教课标版高中英语选修8Unit3Using Language (共61张PPT)
Graham Bell into a great inventor? 2. What did he think was the key to
his success as an inventor? 3. What inventions did Bell make by chance? 4. Why will he always be known as the
人教课标版高中英语选修8Unit3Using Language (共61张PPT)
人教课标版高中英语选修8Unit3Using Language (共61张PPT)
Listen to the tape and try to answer the questions below. 1. How did curiosity make Alexander
Words preview
committee n. 委员会
bear
vt. 忍受；忍耐；负担
jam
n. 堵塞；阻塞；果酱
mess
adj. 脏乱的状态；杂乱
forehead n. 额头
dot
n. 点；小圆点
vt. 以小圆点标出；分散
Words preview
tap
vt. 轻打；轻拍；轻巧敲
n. 轻轻
straw
n. 稻草；麦秆；饮料吸管
current n. （水或气）流；电流
adj. 现在的；当前的
importance n. 重要性
Words preview
helicopter n. 直升飞机
triangle n. 三角形
stable
adj. 稳固的；安定的
practical adj. 实际的；实用的
人教课标版高中英语选修8Unit3Using Language (共61张PPT)
his success as an inventor? 3. What inventions did Bell make by chance? 4. Why will he always be known as the
人教课标版高中英语选修8Unit3Using Language (共61张PPT)
人教课标版高中英语选修8Unit3Using Language (共61张PPT)
Listen to the tape and try to answer the questions below. 1. How did curiosity make Alexander
Words preview
committee n. 委员会
bear
vt. 忍受；忍耐；负担
jam
n. 堵塞；阻塞；果酱
mess
adj. 脏乱的状态；杂乱
forehead n. 额头
dot
n. 点；小圆点
vt. 以小圆点标出；分散
Words preview
tap
vt. 轻打；轻拍；轻巧敲
n. 轻轻
straw
n. 稻草；麦秆；饮料吸管
current n. （水或气）流；电流
adj. 现在的；当前的
importance n. 重要性
Words preview
helicopter n. 直升飞机
triangle n. 三角形
stable
adj. 稳固的；安定的
practical adj. 实际的；实用的
人教课标版高中英语选修8Unit3Using Language (共61张PPT)
人教版高二英语选修8 unit 3 reading 知识点总结 [56张PPT]
![人教版高二英语选修8 unit 3 reading 知识点总结 [56张PPT]](https://img.taocdn.com/s3/m/3f918cbcf61fb7360b4c65a5.png)
10.___m__e_r_r_y___adj.愉快的;高兴的→merrily adv.高兴地;愉快地 11.__r_e_c_o_g_n__it_i_o_n___n.认出;认可;承认→recognize vt.认出,识别;承认 12.__f_r_e_e_z_in__g__adj.冰冻的;严寒的→freeze v.冰冻→frozen adj.冷冻的 13.__i_d_e_n_t_if_i_c_a_t_io_n__n.鉴定;辨认;确定;身份证明→identify vt.确定;识别→identity n.身份;同 一性,一致 14.__i_n_n_o__c_e_n_t_adj.清白的;无罪的;天真的→innocence n.天真;清白 15.__o_c_c_a__si_o_n_a__ll_y__adv.偶然地;不时地→occasional adj.偶然的;临时的;特殊场合的 →occasion n.时机,机会;场合
选修 8 Unit 3
Inventors and inventions
Ⅰ. 单词荟萃 1.__c_r_it_e_r_io__n____n.(pl. criteria) (评判的)标准;尺度 2.___d_is_t_i_n_g_u_i_s_h___vi.& vt.显示……的差别;使……有所不同;辨别→distinguished adj.卓越的 ;著名的;杰出的→distinguishable adj.易分辨的;能区分的 3.___m_e_r_c_i_f_u_l___adj.宽大的;仁慈的;慈悲的→mercy n.宽大;仁慈→merciless adj.残忍的;无 情的 4.___p_r_o_d_u_c_t__n.产品→production n.生产;制造;制作→producer n.生产商;制造商;产地
Unit 3 Vocabulary课件 人教版高中英语选修八
Use the above phrases to fill in the following blanks:
① Let’s go to the meeting together ,and I’ll A you.
A. call on
B. call at
C. call up
D. call for
Use the above phrases to fill in the following blanks: ② The football match was B on account of the weather.
What to learn today
1.Master key phrases and expressions 2.Learn how to use these words and expressions
Read the text and match Column A with Column
(1)upset
4. get through v.(使)通过；设法联系上(尤指打通电话)(＋to sb. )，接通；用完，耗尽；完成；(使某人)熬过困难时期
get away from从……脱离；逃脱；摆脱 get across解释清楚，使人了解；传达 get along/on with进展；与……相处 get over克服；恢复 get down to(＝set about doing＝set out to do)开始；着手
A. called back
B. called off
C. called in
D. called for
Use the above phrases to fill in the following blanks:
选修8unit3_vocabulary解析
重点知识讲解
❖3. set about (doing) sth. 开始，着手
❖We set about cleaning the house. ❖ 我们开始着手打扫房子。
❖set 的短语
❖set up 建立；设立；诬陷 ❖set aside 把…放一边；抽出/拨出（时间）
；驳回
❖Try to set aside some time to visit him. ❖ 想办法拨出一些时间去拜访他。
❖1. call up 给…打电话； 使想起…；叫醒某人; 征召某人入伍；提出…供考虑；
❖(1) He called up the museum. 他往博物馆打了电话。
❖(2) The toys called up the memories of his childhood. 这些玩具唤起了他童年的回忆。
哪个是哪个。
❖ The twins are so alike that no one can ~ one from the other. vt.
重点知识讲解
❖ (3)她在艺术方面成就出众。 ❖She distinguished herself in the arts. vt. ❖ (4)作为一名警察他以勇敢著称。 ❖He distinguished himself as a policeman
重点知识讲解
❖（2）有关call 的短语 ❖① call on/upon 拜访某人(sb)；
call … to do号召, 请求/呼吁某人做某事 ❖Obama called on the world to sanction
Iran. 奥巴马呼吁世界对伊朗进行制裁。 ❖② call at some place 访问某地；停靠某地 ❖③ call sth. off 取消；叫走；转移（注意力） e.g. He has called off the trip.
人教版高中英语-选修八第三单元-知识点完整ppt课件
s0h4opping
online
Alipay .
Unit 3
Inventors &
Inventions
.
01Part One Reading .
What are the stages in producing an invention? You can refer to P19.
.
Finding Doing Thinking Testing Deciding Applying
.
claim
.
典型语境1——新闻报道 (释义 和 )
我们经常听新闻里报道某个国家的某个城市发生了炸 弹袭击，而某个人或某个组织“声称”对该起恐袭事 件负责，其中的“声称；宣称”就用claim表示。
.
新闻中还常有天灾人祸的报道，往往会提及 “……夺去了多少人的生命”，这时往往用“灾 难或冲突等 + claim + life / lives”表达。
02
Doing research
05
Deciding on the inventi.on
03
Thinking of a creative solution
04
Testing the solution
patents
.
can the writer get a patent?
.
Features
novel
.
维词详解 P84
*claim
R3
v
vt 声称；宣称 to say that sth is true, 注意英语释义中
without having any proof：
的关键词say。
Scientists are claiming a major breakthrough
选修8unit3_vocabulary
重点知识讲解
(3)她在艺术方面成就出众。 She distinguished herself in the arts. vt. (4)作为一名警察他以勇敢著称。 He distinguished himself as a policeman by his bravery. vt. (5) 他的口音让他有别于其他男孩儿。 It is his accent that ~s him from other boys. vt.
短语补充：out of ~ 出于，缺乏，在…外；越出
out out out out of of of of love/pity/mercy 出于… reach 够不到 out of (the) question repair/ work/ luck 失修/失业/霉运 sight, out of mind. 眼不见，心不烦
set out (to do/for) 动身，出发 ；摆放 set fire to 放火 set off 点燃，引爆；发射；引起；动身 (for) It set off a chain reaction 引起连锁反应
重点知识讲解
4. seize vt. 抓住；捉住；夺取vi. (on)抓
重点知识讲解
6. dive into (a) move one's hand quickly into sth 迅速将手伸入某物中: dive into one's pocket, briefcase, etc 立即把手伸进衣袋﹑ 公事包等. (b) involve oneself completely in sth 一心投入某事物: dive into a new project 潜心钻研一个新项目.
重点知识讲解
新人教版高二选修八第三单元英语单词课件
2. to make sb do their training in the army or fight in the war; 应征入伍
WtelheepC起nhaoIllncsaetl，hleIduwpu:aps1m.vteyormyreouctpahslele;rt使.on回t忆he起，使想
当我给我妈妈打电话时候，我非常的伤
Unit3 Inventors and inventions words and phrases
You have a patent on this design? 这个设计图你们已经申请专利了?
noun, an official right to be the only person to make, use or sell a product or an invention; 专利权
我们越早开始，就越早结束。
set aside 留出, 对…不予以考虑
What she is doing is merciful.
她所做的事很仁慈。
Adj, ready forgive people and show them kindness
He recalled that the teacher had been merciful to him then.
宽大他的想起，老慈师悲曾经的对他很仁慈。
distinguish
她是一位能够分清是与非的教师。 她因为自己的奉献而闻名。 她和其他的一些自私的老师是截然不同的。 在我们看来，她是一个与众不同的最漂亮的女教师。 我们为有这样一位伟大的女教师而高兴。
1.我给我的朋友打电话的时候，他告诉我一则 消息。
可我构们成的房it子is在co一nv个en很ie方n便t t的o /地fo方r。sb.和 it is convenient for sb. to do sth.结构， 意I为t's：no对t c某on人ve来nie说nt（to做tal某k h事er）e. 是方便 的。
WtelheepC起nhaoIllncsaetl，hleIduwpu:aps1m.vteyormyreouctpahslele;rt使.on回t忆he起，使想
当我给我妈妈打电话时候，我非常的伤
Unit3 Inventors and inventions words and phrases
You have a patent on this design? 这个设计图你们已经申请专利了?
noun, an official right to be the only person to make, use or sell a product or an invention; 专利权
我们越早开始，就越早结束。
set aside 留出, 对…不予以考虑
What she is doing is merciful.
她所做的事很仁慈。
Adj, ready forgive people and show them kindness
He recalled that the teacher had been merciful to him then.
宽大他的想起，老慈师悲曾经的对他很仁慈。
distinguish
她是一位能够分清是与非的教师。 她因为自己的奉献而闻名。 她和其他的一些自私的老师是截然不同的。 在我们看来，她是一个与众不同的最漂亮的女教师。 我们为有这样一位伟大的女教师而高兴。
1.我给我的朋友打电话的时候，他告诉我一则 消息。
可我构们成的房it子is在co一nv个en很ie方n便t t的o /地fo方r。sb.和 it is convenient for sb. to do sth.结构， 意I为t's：no对t c某on人ve来nie说nt（to做tal某k h事er）e. 是方便 的。
人教版高中英语选修8 Unit 3 Reading PPT课件 图文
Words and Expressions
merry adj. 愉快的; 高兴的 merrily adv. 高兴地; 愉快地
seize vt. 抓住; 捉住; 夺 recognition n. 认出; 认可; 承认
criterion n. (pl criteria)(评判的)标准; 尺度 claim n. & vt. 要求; 声称; 主张 valid adj. 有效的; 确凿的 file n. 文件; 档案; 文件夹 vt. 提交; 将……归档
Look at the list below and work out a suitable order. 1. Applying for a patent 2. Finding a problem 3. Doing research 4. Testing the solution 5. Thinking of a creative solution 6. Deciding on the invention
The writer was happy because it gave her an opportunity to help her mother and invent something to catch the snakes without hurting them at the same time.
Unit 3 Reading
THE PROBLEM OF THE SNAKES
Words and Expressions
courtyard n. 院子; 庭院; 天井 walnut n. 胡桃; 胡桃木
distinguish vi. & vt. 显示……的差别; 使……有所不同; 辨别
merciful adj. 宽大的; 仁慈的; 慈悲的 product n. 产品 powder n. 粉末; 火药 perfume n. 香水; 香味 stainless adj. 无锈的; 不锈的; 没有污点的
人教新课标选修8 Unit 3 words and expressions(共17张PPT)
9. associate vt. 联想,联系 n.同伴,伙伴 我们想起中国就联想到长城。
We associate china with the Great Wall. She associated happiness with having money. 她把幸福和有钱联想到一起。
In our minds the Spring Festival is associated with happy family reunions. Her parents didn’t like her associating with net friends. I got a new job and a new set of work associates. 我有了新工作和一班新同事。
If it is convenient to you, you may come on Sunday. 如果方便的话，你可以在星期天来。
Will it be convenient for you to come in the morning 你上午来方便吗？
The snake abruptly disappeared into a convenient hole in the wall. be convenient to sb. 对……很方便 be convenient for sb. to do sth.某人很方便做某事
他们以出发到上海去了。
__T_h_e_y__h_a_v_e_s_e_t _o_u_t_(_=_s_e_t_o_f_f_)_f_o_r_S_h__a_n_g_h_a_i .
4. convenient adj.方便的，便利的；近便的 Living in the big city is convenient. 住在大城市是方便的。
人教版高二英语选修八 Unit3 Vocabulary单词识记(60张PPT)
read the following words and expressions
• △tetrahedron n. 四面体 • △invaluable adj. 无价的；极宝贵的 • △James Dyson 詹姆斯•戴森（英国发明家） • △competent n. 能胜任的；有能力的；称职的
bear 专利权lantern innocent
Write out the correct forms of different words.
1. __m_e_r_c_if_u_l (adj. )宽大的；仁慈的；慈悲的 →__m_e_r_c_y (n. )宽大；仁慈
2. __a_b_ru_p_t (adj. )突然的；意外的 →__a_b_ru_p_t_ly_(adv. )突然地, 唐突地
不p挂ra断ct，i实c紧a践la紧挂s的s握v断oe住电cr接isa话icto通eon电m开p话始et,e着nc手冰e箱
发生故障
胜任，本领
associate
轻拍，水龙头
stablheelicopter
invaluable triangle
What are they?
Look at pictures and say their English names!
小心的, 谨慎的→_ca_u_t_io_u_s_l_y_ (adv. )小心地,
谨慎地
expectation 5. __________(n. )预料；期待；期望 →e_x_p_e_c_t_(v. )预料；期待；期望; 认为 6. _in_n_o_c_e_n_t_(adj. )清白的；无罪的；天真的 →_in_n_o_c_e_n_c_e_(n. )天真, 清白 7. a_s_s_o_c_ia_t_e_ (vt. )联想；联系 (n. )同伴；伙伴 →_a_s_s_o_c_ia_t_io_n_(n. )社团；协会；联合；联想
人教课标版高中英语选修8Unit3ReadingPPT课堂课件(25页)
for an
● Finally, wait for the result with
invention (10) _p_a_ti_e_n_c_e_.
patent
人教课标版高中英语选修8Unit3Readi ngPPT 课堂课 件(25页 )（ -精精品品P）PT课 件
人教课标版高中英语选修8Unit3Readi ngPPT 课堂课 件(25页 )（ -精精品品P）PT课 件
人教课标版高中英语选修8Unit3Readi ngPPT 课堂课 件(25页 )（精 品）
Choose the best answer. 1. The writer was successful to catch the
snakes in ________attempt. A. the first B. the second C. the third D. every 2. The writer set about researching the
Patent Office.
Answer the following questions.
1. What was the mother upset about? 2. Why was the writer happy to help her
mother? 3. What are the three creative steps that
the writer took to catch the snakes without hurting them? 4. Why did cooling make the snakes less active?
P21 1
1. What was the mother upset about?
- 1、下载文档前请自行甄别文档内容的完整性，平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益，请联系客服反馈,我们会尽快为您处理(人工客服工作时间：9:00-18:30)。
2.I can't go to the cinema because I 've got a lot of work to __g_e_t _th_r_o_u_g_h.
3. I suppose I'd better ___r_in_g__o_ff__ now-we've been on the phone for over an hour.
6. now and then _有__时_；__偶__尔___ 7. hang on __不__挂_断__；__紧__紧__握_住__；__稍__等___ 8. out of order ___次_序__颠__倒__；__发_生__故__障__ 9. ring back 回__复__电__话___ 1__0挂_. 断_ri_n电_g_o话_ff_
greengrocer n. 果蔬商（pl）蔬菜水果店 identification n. 鉴定；辨认；确定；身份证明
dial vt. 拨（电话） rainfall n. 降雨 innocent adj. 清白的；无罪的；天真的 lantern n. 灯笼；提灯 bear vt. 忍受；忍耐；负担 jam n. 堵塞；阻塞；果酱 forehead n. 额头 beaten track 被踩出来的路；常规；惯例 dive into 迅速把手伸入；一心投入 dynamic adj. 充满活力的；精力充沛的；动态的；发展 变化的
read the following words and expressions
• △tetrahedron n. 四面体 • △invaluable adj. 无价的；极宝贵的 • △James Dyson 詹姆斯•戴森（英国发明家） • △competent n. 能胜任的；有能力的；称职的
bear 专利权lantern innocent
用括号内所给词的适当形式填空。 1．This result was beyond my wildest_e_x_p_ec_t_a_ti_o_n_(expect)． 2．She was subjected to the_m__er_c_i_le_s_s__(mercy) criticism of
her opponents. 3．They asked her to be_m_e_r_c_if_u_l__(mercy) to the prisoners. 4．We must put our plans into_p_r_ac_t_ic_e__(practise)．
dot n. 点；小圆点 vt. 以小圆点标出；分散
tap vt. 轻打；轻拍；轻敲 n.轻轻地敲击（声）；（水）龙头 wire n. 金属丝；电线
straw n. 稻草；麦秆；饮料吸管 current n. （水或气）流；电流 adj. 现在的；当前的
stable adj. 稳固的；稳定的；安定的 associate vt. 联想；联系 n.同伴；伙伴 practical adj. 实际的；实践的；实用的 refrigerator n. 冰箱 court n. 法庭；法院；朝廷 extension n. 电话分机；扩大；延伸 version n. 版本；译本 competence n. 能力；胜利；本领 jeep n. 吉普车 personnel n. 人力资源；人事部；全体人员 helicopter n. 直升飞机 triangle n. 三角形；三角形物体
rainfall directoirdyentification
使…..有所 不fr同eezing
greengrocer
无罪的 glue file
忍c仁受onv慈avle的idnsccieuer高iibntze兴itecas便pmribt地eoa利errp极ni便便urfn的ocup冷l利的iwem期tf档lu的sdy的er待s案lee,rc，方院o开突文子g小然始n件心地i,t着i,o谨手突 意n慎然 外地 的,
Write out the correct forms of different words.
1. __m_e_r_c_if_u_l (adj. )宽大的；仁慈的；慈悲的 →__m_e_r_c_y (n. )宽大；仁慈
2. __a_b_ru_p_t (adj. )突然的；意外的 →__a_b_ru_p_t_ly_(adv. )突然地, 唐突地
短语互译 1. 给……打电话 2. 开始；着手
call up ______
set a_b_o_u_t____
3. 迅速把手伸入；一心投入 d_iv_e__in_t_o__
4. 开始(做)
s_e_t_o_u_t_(_to__d_o_) _
5. 设法联系上(尤指打通电话)；
(设法)做完；通过
get through __________
you
_r_in_g__b_a_ck___
later?
语境助记——词不离句，句不离段
Mr.Jackson was a cautious businessman who got a patent for his company.But in an abrupt accident，he found his production wasn't stainless and didn't live up to its criteria.He seized it to find out valid ways to solve the problems and not to take passive action.He expected that his product could bear all kinds of test and that his income would have a stable increase.
5．Your invention is very__p_r_a_c_ti_c_al__(practice)． 6．His father died___u_n_e_x_p_e_ct_e_d_ly____(expect), and it was ten
years since they were last together. 7．We were__f_re_e_z_in_g___(freeze) cold in the tent last night. 8．Our conversation came to an__a_b_r_u_p_t ___(abruptly) end
when George burst into the room.
9．I bought this apartment for its__c_o_n_v_e_n_i_en_c_e___， for it is very_c_o_n_v_e_n_i_en_t_____for the bus stations and it has a lot
4. He __d_iv_e_d__in_to__ the river immediately to rescue the drowning girl.
5. Because the lift was _o_u_t_o_f_o_r_d_e_r__, we
had to walk up the stairs. 6. He isn't haesrsriivlye
额头
被踩出来的路
f迅odr速yenh把aserometa手rupfdairtrpc伸iwageocec开xebf入ortstiroeuce始联aoraarnttdnt想lo做tas；版enerpi，roen常本dldn伙to规irv伴taecikntowire
小心的, 谨慎的→_ca_u_t_io_u_s_l_y_ (adv. )小心地,
谨慎地
expectation 5. __________(n. )预料；期待；期望 →e_x_p_e_c_t_(v. )预料；期待；期望; 认为 6. _in_n_o_c_e_n_t_(adj. )清白的；无罪的；天真的 →_in_n_o_c_e_n_c_e_(n. )天真, 清白 7. a_s_s_o_c_ia_t_e_ (vt. )联想；联系 (n. )同伴；伙伴 →_a_s_s_o_c_ia_t_io_n_(n. )社团；协会；联合；联想
不p挂ra断ct，i实c紧a践la紧挂s的s握v断oe住电cr接isa话icto通eon电m开p话始et,e着nc手冰e箱
发生故障
胜任，本领
associate
轻拍，水龙头
stablheelicopter
invaluable triangle
What are they?
Look at pictures and say their English names!
of_c_o__n_v_e__n_ie__n_c_e_s__.(convenient)
10．Scientists are working hard to_d_i_sc_o_v_e_r__a new cure for Aids.Professor Smith's new___d_is_c_o_v_e_r_y__in this field is considered to be of great help.(discover)
read the following words and expressions
• △amphibious adj. 两栖（类）的 • △George Stephenson 乔治•斯蒂芬森 • △jelly n. 果冻；果冻状物 • △recognition n. 认出；认可；承认 • △claim n. & vt. 要求；声称；主张 • △rod n. 杆；棒 • △courtroom n. 法庭；审判室 • △Alexander Graham 亚历山大•格雷厄姆•贝尔 • △microphone n. 麦克风；话筒 • △occasionally adv. 偶然地；不时地 • △multiple adj. 多种的；多样的；多类型的 n.倍数 • △Morse 莫尔斯电码 • △reproduce vt. 复制；再现……的形象或声音