Unit 4 Topic talk词汇课件-高中英语北师大版选择性必修第二册

1、单词课堂A word is a microcosm of human consciousness. Vygotsky版本：新北师单元：选择性必修二 Unit 4 (TOPIC TALK)本单元词汇梳理edycom- (一起) + -edy (颂歌)；派生词：comedian2. pretendpre- (before 前) + tend (to stretch 伸展) 在众人面前伸展，做样子 假装词块：pretend to do sth, pretend (to sb) that3.humoroushumor (n 幽默) + -ous (形容词后缀)4.plot隐喻：阴谋、密谋 小说的故事情

2、节；名词动词化5.accent词块：a broad / strong accent6.imitate派生词：imitation7.facialface (n 面部) + -ial (形容词后缀)；词块：facial eractinter- (between 在之间) + act (to do 做) 两者之间互动 交流词块：interact with 词族：act, interact, interaction, interactive9.anxiety anxious anxiety精准的汉语释义“焦”词块：in anxiety, anxiety about /

3、over sth 10. well-beingwell + being11.significant sign (mark 标记)+ -i- + fic (to make 做) + -ant (形容词后缀) 做了标记的 重大的 / 重要的派生词：significantly, significance 12.referee来自 refer13.terrifiedterrify (v 使恐惧) + -ed英语释义：very frightened词块：be terrified of词族：terrify, terrified, terrifying14.unbalancedun- + balance (

4、v 保持平衡) + -ed15.swingv 基本义：摇摆 n 秋千16.collapsecol (together 一起 / 共同) + laps (to slip, fall 滑、落) + -e (动词后缀) 一起滑落 倒塌 / 坍塌（基本义）17. embarrassed embarrass + -ed (分词形容词) 词族：embarrass, embarrassed, embarrassing, embarrassment 18.consume con- (= com- 表示强调) + sume (to take 拿、取) 把某物完全拿 / 取走 消耗 / 耗费派生词：consume

5、r, consumption 19.confusedconfuse + -ed (分词形容词)词族：confuse, confused, confusing, confusion词块：be / feel confused about20. potential词块： achieve / realise ones potential, have the potential to do sth派生词：potentially重难点词精讲anxiety搭配义精准的汉语释义significantpretendcollapse熟词生义consume搭配义精准的汉语释义 英语释义熟词生义正式用语potenti

6、al熟词生义swing一词多义词根词缀pretend vt & vi 假装；装作：Whats the good of pretending? pretend to do sth:When his mother came in, he pretended to be doing his homework. pretend (to sb) + (that) 从句:He pretended to his family that everything was fine.pretend词源解读：pre-（before 前）+ tend（to stretch 伸展） 在众人面前伸展，做样子 假装面对升学压

7、力、面对高考，你焦虑吗？你经历过焦虑吗？你有焦虑症吗？anxietyAre you anxious?Do you experience anxiety? Do you have an anxiety disorder? 【温故】anxious adj 忧虑的；焦虑的 feeling worried or nervous (worried)：be anxious for sb / about sthAre you anxious and restless if you are separated from your mobile phone? 2011 山东She was anxious (th

8、at) it might be cancer. 令人焦虑的 causing worry, fear and nerves (worrying)：We had an anxious couple of weeks waiting for the test results. 焦急的；急切的 wanting sth very much (keen)：The parents suggested sleeping in the hotel room but their kids were anxious to camp out during the trip.He was anxious that th

9、ey should have all they want. anxiously adv 忧虑地；不安地选必一 U3必二 U5 U & C 焦虑；不安；担心 (concern) ： He was waiting for his brothers return with acute / deep anxiety. Children normally feel a lot of anxiety about / over their first day at school.Millions of jobless Americans might be suffering in anxiety and l

10、acking a sense of security. 2010 广东改 U 急切；渴望：anxiety for knowledgeHis anxiety to win the vote was obvious.【知新】anxiety n 根据所给提示，在空白处填入适当的单词。The environment has a(n) _（重要的）influence on the development of the children.significantsignificantimportantsignificant adj反 insignificant 重要的；（意义）重大的 having an i

11、mportant effect or influence, especially on what will happen in the future： a highly significant discovery As a child, Adeline couldnt understand why the medal was so significant. 2019 浙江（数量）大的；显著的 large enough to be noticeable or have noticeable effects：They are spending a significant amount of tim

12、e in fruitless efforts as they multitask. 2008 重庆a significant improvement / increase It is significant that girls generally do better in examinations than boys. 词源解读：sign（mark 标记）+ -i- + fic（to make 做）+ -ant（形容词后缀） 做了标记的 重要的【词汇拓展】 significantly adv 重大地；显著地；明显地：Since that first attempt I had been jo

13、gging regularlyand was significantly fitter. 2011 湖南 significance n U & C 重要性；（意义）重大 the importance or meaning of sth：Both her parents attach much significance to education. All the members should realize the value and significance of what they are going to do. 2011 浙江看图猜词swing 摆动；转动；挥动 v(swung, swu

14、ng) vt & vi 摆动；转动；挥动：Its bad manners to swing your legs while eating. At that moment, the door swung open, and Roy walked in. Shay swung at the ball but missed. n C 摇摆；晃动；秋千swing swing 语义网络图摆动swing（基本义）（使）物体来回“摆动”挥动（某物）朝打去摆动n“摆动”某物试图打（使）物体朝某方向呈弧线“摆动”秋千v（使）摆动使转动；转弯挥动 / 挥舞collapse 震惊世界的911事件：2001年9月11

15、日，两架遭到恐怖分子劫持的飞机分别撞向世界贸易中心一号楼和二号楼，两座大楼在两个小时内相继倒塌，导致包括世贸中心其余5栋大楼、德意志银行大楼在内的多栋建筑物严重受损。Two hijacked commercial planes slammed into the twin towers of the World Trade Center, causing them to collapse.两架遭到劫持的商用飞机撞向世界贸易中心双子塔，导致双塔倒塌。collapse词源解读：col（together 一起 / 共同）+ laps（to slip, fall 滑、落）+ -e（动词后缀） 一起滑落，

16、即为“倒塌”（基本义）。 vi 倒塌；崩溃；瓦解：Having been attacked by terrorists, the tall building collapsed.（因病等）昏倒；晕倒collapse语义网络图倒塌collapse（基本义）建筑物等“倒塌”崩溃；瓦解系统、组织等“倒塌”人因病“倒塌”倒塌；坍塌（因病等）昏倒；晕倒词源解读：con-（= com- 表示强调）+ sume（to take 拿、取） 把某物完全拿 / 取走 消耗 / 耗费consumeconsume vt 消耗；耗费；消费：Lighting accounts for about 7% of the to

17、tal electricity consumed in the US. 2020 全国Looking after the children, cooking and cleaning are time-consuming. 2008 四川改正式用语吃；喝：He consumed all the cookies.【温故】consumer n C 消费者；用户；客户【词汇拓展】consumption n U 消费（量）；消耗（量）正式用语选必一 U3 正式用语与非正式用语用膳吃饭用膳吃饭你不能选择你的潜能，但你可以选择去发挥潜能。 西奥多罗斯福potential西奥多罗斯福（Theodore Ro

18、osevelt，18581919），人称老罗斯福，荷兰裔美国军事家、政治家、外交家 ，第 26任美国总统，是美国历史上最年轻的在任总统。罗斯福因成功地调停了日俄战争，获得1906年的诺贝尔和平奖。他是第一个获得此奖项的美国人。adj只用于名词前可能的 (possible)；潜在的 likely to become a particular type of person or thing in the future：a potential disasterpotential resources / customers / bossesn U 潜能；可能性：achieve / fulfill /

19、reach ones (full) potentialHe has the potential to become a world-class musician.potentially adv 潜在地；可能地potential本单元的词根词缀说出下列单词的词根词缀的汉语释义。1. Miss Harper closed her eyes and pretended to be asleep.（2010 陕西）pretend：pre-（before 前）+ tend（to stretch _） 在众人面前伸展，做样子 _2. The project encourages those of all

20、ages to interact and get to know each other.（2020 天津改）interact：inter-（between _）+ act（to do 做） 两者之间互动 _3. He has recently made a significant discovery loneliness is a serious social problem.（2020 天津）significant：sign（mark _）+ -i- + fic（to make 做）+ -ant（形容词后缀） 做了标记的 _伸展假装在之间交流标记重要的 / 重大的4. The buildin

21、g was badly damaged in the earthquake, and rescue workers are worried that it may collapse.collapse：col（together _）+ laps（to slip, fall 滑、落）+ -e（动词后缀） 一起滑落 _5. Our high living standards cause our present population to consume 25 percent of the worlds oil.consume：con-（= com- 表示强调）+ sume（to take 拿、取）

22、把某物完全 _ 走 _一起 / 共同倒塌 / 坍塌拿 / 取消耗 / 耗费英语单词构词法的核心部分在于词根，词根决定单词的意思。词根可以单独构成单词，也可以通过添加前缀或后缀构成新词。了解词根意思，掌握构词规律， 有助于准确、高效记忆词汇。本单元金句汇总1. He pretended to his family that everything was fine.2. The parents suggested sleeping in the hotel room but their kids were anxious to camp out during the trip.3. Childre

23、n normally feel a lot of anxiety about / over their first day at school.4. The environment has a significant influence on the development of the children.5. At that moment, the door swung open, and Roy walked in. 6. Looking after the children, cooking and cleaning are time-consuming. 2008 四川改7. He h

24、as the potential to become a world-class musician.随堂检测pretend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. I carried around a book and pretended _ (be) reading.2. The man is not going to pretend _ his wife that he loves her. 二、翻译下列句子。1. 不要不懂装懂。_ 2. 他假装不知道那件事。_ 3. 我们假装什么事情也没发生。_ to betoDont pretend to know when you

25、dont.We pretended (that) nothing had happened.He pretends to know nothing about it.一、写出下列句子中画线部分的汉语释义。 1. I knew I had to give a speech, but the thought filled me with anxiety. _ 2. I nearly fell in my anxiety to get downstairs quickly. _二、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. A high level of _ (anxious) was

26、created by the introduction of cameras into the factory.2. There is growing public anxiety _ levels of air pollution in our cities.anxiety焦虑急切anxietyabout / oversignificant写出下列句子中画线部分的汉语释义。1. Althoughthe job takes a significant amount of time, most students agree that the experience is worth it.（201

27、5 湖南） _2. Our course guarantees（保证）a significant increase in your confidence in a foreign language. （2016 天津改） _3. The Chinese Dragon Boat Festival is a significant holiday celebrated in China. _4. The students who wrote notes by hand performed significantly better on the exam. （2014 辽宁改） _ （数量）大的 显

28、著的 重要的 明显地根据句意写出画线词的汉语释义。1. The sports rules require that a race walkers knees stay straight through most of the leg swing and one foot remain in contact with the ground at all times. （2020 全国） _ 2. I swung open the door and got a blast of cold air（一股寒气）that instantly cooled me off .（2015 四川） _ 3. S

29、he swung around to look at him, spilling（洒出）her tea without noticing it. _摆动 swing推开突然转身根据句意写出画线词的汉语释义。1. When the market for nutria（海狸鼠）collapsed in the late 1980s, the cat-sized animals multiplied like crazy.（2020 全国改）_2. The roof collapsed under the weight of snow._3. He collapsed following a vigorous（剧烈的）exercise session at his home._4. The enterprise collapsed through lack of support._5. Our plans will collapse unless we get more help. _6. Share prices collapsed after news of poor tradin