学年第四册Unit3TheworldmeetsChina教学知识细解码学案Word下载.docx

1、She is at the peak of her career. n.高峰the peak of a roof n.尖顶Oil production peaked in the early 1980s. v.达到最高峰March is one of the peak periods for our business.adj.最繁忙的/高峰时期的2coverage n覆盖范围；新闻报道；（保险公司的）保险magazines with extensive coverage of diet and health topics 覆盖范围todays newspaper coverage 新闻报道Me

2、dicaid health coverage for lowincome families 保险Words and Phrasesvary vi.变化；不同vt.变更；改变教材P26The subjects of the Dunhuang murals vary from religious stories to scenes of everyday life.敦煌壁画的题材多种多样，从宗教故事到日常生活场景都有。例1The students work varies considerably in quality.学生作业的质量相当地参差不齐。例2The menu varies with th

3、e season.菜单随季节而变动。造句 班级的数目从25到30不等。Class numbers vary between 25 and 30.知识拓展（1）vary with 随而变化vary from 不同于vary in 在方面不同/有差异vary from.to. 由到不等/不同（2）variety n. 变化；多样性；种类a variety ofvarieties of 各种各样的（3）various adj. 各种各样的；不同的for various reasons 由于种种原因（4）variously adv. 以各种方式；不同地a variety of/varieties of

4、后接复数名词作主语时，谓语动词用复数形式；the variety of后接复数名词作主语时，谓语动词用单数形式。即学即练单句语法填空/完成句子The school library provides a variety of original works，hoping they will meet the needs of different students.The cost has been variously（various）estimated at between 10 million and 20 million.Changes in price normally vary with

5、changes of supply and need.Though Lucy and Lily are twins，they vary in character.The variety of foods at the restaurant is （be）limited，but the amount of each dish is fairly large.I like reading very much，especially the story books, varying from Chinese stories to English stories （从中国故事到英国故事）小片段填空Wit

6、h the development of economy，there are varieties of goods in stores，varying from daily groceries to luxury goods，which greatly enriches peoples life.In addition，the goods vary with the season in variety and quantity.教材P27Dating from 405 AD to 1002 AD，these hidden treasures give us a picture of Dunhu

7、ang when it was at the very centre of the Silk Road trade.从公元405年到公元1002年，这些被雪藏的宝藏给我们描述了处在丝绸之路贸易中心时的敦煌。（1）date from起源于；追溯到例1All the cupboards and appliances dated from the 1950s.所有这些橱柜和家用电器都是 20世纪 50 年代的物品。例2These sculptures must date from the middle of the 7th century.这些雕刻品肯定可以追溯到7世纪中叶。造句这座寺庙起源于唐朝。

8、The temple dates from the Tang Dynasty.（1）date fromdate back to 起源于；（2）set a date for 确定的日期have a date with sb. 与某人约会out of date 过时的up to date 现代的；最新的date from和date back to这两个短语，通常使用一般现在时，没有进行时态，也没有被动形式。常用其现在分词形式作后置定语。The old town dates （date）back to the late seventeenth century.The fact is that you

9、r passport has been out of date，so you cant use it.Everyone should keep on getting himself educated so as to be up to date with modern technology.We are visiting an old garden dating from the 12th century（起源于12世纪）（2）hidden adj.秘密的；隐秘的；隐藏的例1Under all the innocent fun，there are hidden dangers，especial

10、ly for children.在所有简单无害的娱乐项目背后都隐藏着危险，特别是对儿童而言。例2As you descend，suddenly you see at last the hidden waterfall.一直往下走，最终你会突然看到那条隐秘的瀑布。造句 覆盖着冰的路面对驾驶汽车的人是个危险的隐患。Icy roads are a hidden danger to motorists.（1）hide sth.from sb. 向某人隐瞒某事hide sth.in/under/behind. 把某物藏在里面/下面/后面（2）hiding n. 躲藏；隐藏hiding和hidden作定语

11、时意思不同：a hiding place“一个藏身处”；a hidden place“一个秘密/隐秘的地方”In art criticism，you must assume the artist has a secret message hidden（hide）within the work.My mother bought the beautiful basket and put it safely in some hiding（hide）place I couldnt find.Instead，they learn both explicit and hidden（hide）meaning

12、s from what they see.I feel sure there is something about her past that she is trying to hide from me（她设法对我隐瞒）The little boy had much difficulty hiding the truth from his parents，so he found a hiding place in the trees to keep himself hidden from them.reason n原因；理由 v推理；推论教材P27However，the reason why

13、the Library Cave was sealed up all those years ago remains a mystery.然而，藏经洞多年前被封的原因仍然是个谜。例1The reason why he failed in the exam was that he didnt learn it well.考试失败的原因是他没有学好。例2Id like to know the reason why youre so late.我想知道你为什么迟到这么长时间。造句 我为什么要帮你？给我一个充分的理由。Give me one good reason why I should help you.（1）reason with 和理论（或讲理）reasonable 合情合理的（2）the reason why.is that. 表示“的原因是”， 其中why引 导定语从句，that引导表语从句。（3）the reason that/which. 表示“的原因”， that/which引 导定语从句，并在定语从句中作主语 或宾语。（4）the reason that. 表示“的原因”， that后接同位 语从句，解释其内容。（5）the reason for 的原因即学即练单句语法