高一英语第十八单元The Necklace (项链)

科目 英语
年级 高一
文件　high1 unit18.1.doc
标题 The Necklace (项链)
章节 第十八单元
关键词
内容
一、教法建议
【抛砖引玉】
单元双基学习目标
Ⅰ. 词汇学习
四会单词和词组：recognize = recognize , ball , accept , invitation , after all , continue , call on , day and night , pay back , valuable , worth , at the most , not … any more , match , contain
三会单词和词组：scene , diamond , government , palace , pretty , happiness , exactly , steal , thief , description , belt , case , jewellery
Ⅱ. 交际英语
Shopping ( 购物 )
Some useful expressions :
1 . What can I do for you ?
2 . May/Can I help you ?
3. I want/I\'d like…
4 . How much is it ?
5 . That\'s too expensive , I\'m afraid .
6 . How many/much do you want ?
7 . What colour/size/kind do you want ?
8 . What colour do you prefer , black or blue ?
9 . Would you mind if I try this one on ?
10 . How much is it worth ? /How much do you charge ? /How much do you ask for it ? /How much shall I pay for it ?
交际示范：( 1 )
A : Good afternoon , sir . What can I do for you ?
B : I want to buy a birthday present for my son .
A : How old is your son ?
B : Fifteen years old .
A : This radio is very good , sir .
B : How much is it ?
A : It is worth ＄40 .
B : Oh , that\'s too expensive , I\'m afraid .
A : Then what about this walkman ( 随身听 ) ? Many students like it very much . This is the most popular kind .
B : How much does it cost ?
A : It\'s only ＄25 .
B : OK . That\'s fine . I\'ll take it . I hope my son will like it .
( 2 )
A : Can I help you ?
B : Could you show me a cap ?
A : Certainly . What do you think of this one ?
B : I don\'t like the colour . Do you have any other colour ?
A : Yes . What about the brown one ?
B : Oh , it\'s lovely . Can I try it on ?
A : Of course . This is a very popular cap . What size do you take ?
B : I\'m not quite sure . I don\'t know Chinese sizes .
A : This is a 59 . How does it fit ?
B : It looks good on me . How much is it ?
A : Eight yuan .
B : Here is 10 .
A : Here is your change . Shall I wrap ( 包 ) it up for you ?
B : No , thank you . I think I\'ll wear it .
Ⅲ. 语法学习
学习疑问词的直接引语和间接引语的9个关键点。
【指点迷津】
单元重点词汇点拨
1. worth 和 worthy 都是形容词，词义基本相同，“值得的”，但用法及搭配上却不相同。
〖点拨〗 worth “值得的”、“值得……的”，只能作表语，但不能单独作表语，其后必有连带成份才能成立。如：This book is worth . (错) This book is worth reading . (正)
(1) 其后接钱数或相当于代价的名词。如：
The necklace was worth 100 francs at most .
What / How much is it worth ?
It is worth much .
(2) 带及物动词的动名词的主动一般形式，若是不及物动词需加适当介词，但均表示被动意思，或者说所用动名词或动名词短语的逻辑宾语必须是 worth 的主语。如：
This film is worth seeing it . (错)
This film is worth being seen . (错)
This film is worth seeing . (正)
That picture is worth looking at . (正)
(3) 接 while 或 one\'s while 一起作表语。如：
Going / To go there is worth while .
(4) 句型：It is worth while doing / to do . sth . 此句型中，it 为形式主语代替动名词或不定式短语 doing / to do sth . 与(2)中的动名词不同，此时的动名词或不定式必须是完整的非谓语动词短语作主语。如：
It is worth while discussing / to discuss the question .
It is worth while looking at / to look at that picture .
〖点拨〗worthy “值得的……”，“高尚的”，“可尊敬的”、“相配的”等，可作表语也可作定语，作表语时其后也必须有连带成份。
(1) 加介词 of 短语。of 后可接名词(一般不接表示钱的名词)、代词和动名词的被动式。如：The watch was worthy of the chain .
He is worthy of his work .
This museum is worthy of a visit .
This novel is worthy of being remembered .
(2) 接不定式的被动式。
This question is worthy to be discussed .
(3) 放名词前作定语，worth 不能。如：Bethune is a worthy man .
〖点拨〗注意，汉语中说“很值得时”只能用 well worth / worthy 不能用其他副词。如：
This report is well worth listening to .
Her behaviour is well worthy of great praise .
2. steal (stole , stolen) 偷
When a thief was stealing corn , a passer-by caught him by the hand .
〖点拨〗steal sth from + sb (或者地点) 是“从……偷”。但是，rob sb of sth抢劫某人。
3. description描述
Please give me a brief / full description of the accident .
〖点拨〗beyond description无法形容，难以描述。如：The lady was beautiful beyond description .
4. jewellery = jewelery（总称）珠宝
She has a lot of jewellery .
〖点