人教版选修8Unit 5 Meeting your ancestors (Language poin

Module 8 Unit 5 Meeting your ancestors (Language points) A版
学习目标：
知识目标:掌握本学案中所涉及的重点单词（3个）、短语（2个）、句型（1个）的用法。

能力目标:自主、合作、探究，通过练习，进一步巩固所学词汇在语境中的作用
情感目标:积极参与，激情投入，体验小组合作学习的乐趣
学习重点:掌握alternative；assume；interrupt等词的习惯用法
学习难点:情态动词+have done的用法
第一部分预习案
一、按要求写出下列词汇的不同形式或词组互译
学法指导：预习案中的第一题全部来自于词汇表和课文，请同学们参阅课本然后填空
1. alternative n. __________adj. adv.________________
2. interrupt v. n.
3. assume vt. n._______________
4. sharpen v.________ adj.___________ n.____________
5. analysis n. ____v. _____
6. assume n._______ vt.______________
7. messy adj. n.____________
8. 精确n._____________ adj. _______ adv._____________
9.significance n.__________ adj._______ 10. starvation n. v.__________
11.不管不顾________________ 12. 切碎________________ 13. 至多，最多________________
14.带领某人参观_________________ 15.生火_____________ 16. care about______________
二、典型句式：完成下列句式并记忆（典型句式来源于课文，请同学们完成后核对，并用双色笔勾
出，课后背诵）。

1. 情态动词+ have done
It __________________ (一定) very uncomfortable
2. it is + n.+ to do sth
It is _________________________（极大的乐趣）meet you students from England, who are interested in archaeology.
3. suggest that—
Our evidence ________________________ (表明他们确实穿了用动物皮做成的衣服).
4. as引导的非限制性定语从句
Yes, indeed, _____________________________________________________(植物学的分析结果明确地告诉我们)，all the fields around here ___________________(曾经) part of a large shadow lake.
第二部分探究案
一、重点单词及用法
1.alternative n.可能选择的，选择对象adj. 供选择的，其他的
（教材）Can you think of the alternative we would use today ?
[寓词于境]
1. You have two alternative courses, surrender or death.
2. I want to go ,but I had no money. I had no alternative but to stay at home.
3. We had to go on because there was no(other) alternative. [归纳拓展]
1.have no alternative but to do __________________
2.there was no alternative. ____________________
3.“别无选择，只好做…..”还可以表达为_____________________________________________________________________________________ __________________________________________________________________
[即学即练]
1. A stranger __________ ________ ___________ ___________ __________ (别无选择,只好)adapt
himself to the new surroundings.
2.(改错) we have no alternative but compromise.
2. assume vt. 假定,假设,设想assumption n. 假定假设
(教材) So we think it is reasonable to assume they lived in these caves, regardless of the cold.
[寓词于境]
1. It is generally assumed that stress is caused by too much work.
2. We had assumed him to be. a English.
3. Assuming his story is true, what should we do?
[归纳拓展]
1.assume sb./sth. to be ___________________
2.assume that ________________
3.make an assumption ___________________
4. It is generally assumed that______________________
注：assuming 可以用作连词，表示“假如”，引导从句（如句3），此用法还有_____________________________________________________________________________
[即学即练]完成下列的句子
1.We all can go out for a picnic this afternoon______( assume) that the others agree
2.We must assume him___________ innocent(假定他是)until he is proved guilty.
3.My calculations were based on the ____________(assume) that house prices would remain steady. 3. interrupt vt/vi 打断…讲话, 打岔, 暂时中断、中止n. interruption 中断、打断(教材) I’m sorry to interrupt you but how could they live here?
[寓词于境]
1.His speech was constantly interrupted by applause.
2. Let’s go somewhere we can talk without interruption.
[归纳拓展]
interrupt sb _______________________
without interruption ___________
辨析：interrupt与disturb
Interrupt 有“打断；打扰”之意，侧重“打断”。

Disturb 表示“打扰；扰乱”暗含“使人心神不宁”之意，侧重“打扰”。

[即学即练]
1.(改错)The mother opened the door quietly so as not to interrupting the sleeping baby.
2.用interrupt 或disturb填空。

The noise of the machine ________my sleep last night.
Her son’s illness ________ her ,and she felt upset .
I’m sorry to ________ the meeting , but there is an urgent long-distance call for Mr Zhou.
二、重点短语及用法
1. regardless of 不管；不顾
(教材)So we think it is reasonable to assume they lived in these caves, regardless of the cold.
[寓词于境]
1. This special school accepts all disabled students, regardless of educational level and background.
2. He says what he thinks regardless of other people’s feelings.
[归纳拓展]
1) regardless of _______________
2“不管，尽管”的短语还有那些?
_____________________________________________________________________________________ [即学即练]
The boy went swimming in the deep lake, regardless _______his mother’s fears for his safety.
2.cut up 切碎；剁碎；使难受；
[寓词于境]
1) Please cut the apple up into equal pieces．
2) The cook was cutting up the meat for making jiaozi．
[归纳拓展]
cut u p______________; cut out_______________；cut off______________; cut in _____________ ;
cut down _______
[即学即练]用cut的相关短语填空
1.How can you cut ______________ the risk of cancer?
2.One of his fingers was cut ___________ in the accident.
3.She cut _____ the meat and threw a handful of pieces to the dog.
4.I wish Marie would stop cutting _______ on our conversation.
二、重点句型及用法
[教材P38] It must have been very uncomfortable.
[教师点津]
must have done 表示对过去事情的肯定推测，只用于肯定句中；在否定句和疑问句中表示对过去事情的推测时，则用can/could have done.
Eg. 1.Since nobody gave him any help, he must have done the research on his own.
2.Mr Smith can’t/ couldn’t have gone to Beijing, for I saw him in the library just now.
[拓展延伸]
Should have done __________________________________
Shouldn’t have done __________________________________ needn’t have done ________________________________
may/might have done______________________________________
could have done _________________________
[即学即练]用适当的情态动词填空
1.He came home alone. You __________ have had him do that; he ______________ have got lost.
2.You failed again. You _____________ have done it much better.
3.I ___________ have bought so much wine ----- only three people came.
第三部分训练案
一、用所给词的适当形式填空。

1. Jane's pale face suggested that she___ ____（be）ill, and her parents suggested that she ________(have)
a medical examination.
2. The butcher is skilled at cutting _________the pork.
3. There were so many cars held up by the heavy rain on the road we had no alternative but____ (wait).
4. It is bad manners to_ _____( interrupt)others while they are having a conversation.
5.We are working on the _______(assume) that everyone invited will turn up .
6.We made a careful ______( analyse ) of the problem.
7.If your knife isn’t ______ ,you need a knife ______ to ______ it . (sharp)
lions will face ______ (starve ) next year as a result of the drought.
9.They made me have on alternative but ______ (work) hard to achieve success.
10.He climbed the building , regardless ______ the danger.
11.I want to make meatballs. Would you please give me a hand to cut ______ the meat ?
二、完成句子。

1.I do it for maybe an hour ________(最多).
2.It _________________________________(一定是下雨了) last night for the road is wet.
3.当场被抓，他除了招供别无出路。

Caught in the act ,he had no _______________________________.
4.他不顾危险爬上了塔。

______________________,he climbed up the tower.
5._________________(我认为)this is the best possible translation.。