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必修三unit2单词详解.ppt


Unit one
Words and expression 请大声记诵导学案预习案单词

学习目标:
知识与技能:
陈述性知识目标::1. 掌握本单元单词的形和意

程序性知识目标:2. 掌握记单词的方法

过程与方法:根据词缀等记单词

情感态度价值观:培养对单词的兴

趣与爱好。

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n.: diet nut muscle bean cucumber eggplant pepper mushroom peach lemon balance barbecue mutton roast bacon cola sign curiosity hostess vinegar lie customer discount weakness strength fibre digest carrot obesity vitamin protein debt glare spy limit benefit breast garlic sigh cooperation ingredient flavour

v.: diet balance roast stir fry lie consult digest glare spy limit benefit sigh combine adj.: roast
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sugary slim

raw

poisonous

limited

phrases:

ought to
get away with win…….back in debt before long

lose weight
tell a lie earn one’s living cut down put on weight

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1.___ fry (vt.&

fried adj.)油煎的;油炸的 vi.)油煎;油炸→______(

host adj.)男主人;男主持人;(v.)主持 2.hostess(n.)女主人;女主持人→_____(

curiousadj.)好奇的→ ________ curiosity n.)好奇心→________( curiously (adv.)好奇地 3.________( weaken adj.)虚弱的→ ________( weakness n.)缺点;弱点→________( 4.________( v. )削弱 weak
strengthenv.)加强→ strong(adj.)强壮的; 5.strength ________(n.)强项;长处;力量→_________( 强健的

blanced 6_______(n) poisonous adj有毒的n_______ blance 平衡,天平adj_______ 7 _________ poison
7______n\v 受益adj_______benefit limited 9_ limit 限制 adj_____ beneficial 10_____ protective 保护的v________n_______ protec protectio t n 11______ 咨询,请教 n_______ adj________ consultant consul consultantive t
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自主学习(10分钟)

任务:
独立完成探究案:

amaze, in search of ,
select, survive, doubt, worth, value

要求: 1.独立完成探究学案 2.静心、动脑,深入 思考。 3.不懂的要用红笔画 出来,以便讨论时重 点突破。

任务:
独立完成探究案:

diet,blance,ought to,get away with, debt, limit, combine, cut down, before long, benefit

要求: 1.独立完成探究学案 2.静心、动脑,深入 思考。 3.不懂的要用红笔画 出来,以便讨论时重 点突破。

8分钟
内容: 1、合作学习其他探究点 2、合作整理出组内统一的答案。 3整理归纳出本组的困惑。 要求: 1、组长负责协调好分层讨论,先一对一讨论(4分 钟),然后组内共同讨论,纠正好答案。(4分 钟)要求每个人都有事干 2、组长宏观调控,负责做好讨论结果的反馈;并 做好展示、点拨的准备。

探究点一
1.diet a)n. (1)[C & U] 日常饮食;日常食物

a healthy diet

健康饮食 a balanced diet 均衡的饮食

be on a diet/go on a diet 控制饮食,减肥,节食。

①Proper diet and exercise are both important for health.
适当的饮食和运动对身体健康都很重要。

②Many children are so fat that they are encourged to go on a diet.许多孩子都非常胖以至于大家都鼓励他们节食。
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2.balance vt 平衡,权衡[U,sing.] 均衡;平衡;均势[U] 平衡能力 keep one's balance 保持平衡 lose one's balance 失去平衡

Income and expenses are balanced.收支平衡。 The match was finely balanced.比赛最终平了。

Try to keep balance between work and relaxation.
尽量保持工作和休息平衡。

You have to balance the advantages of living in a big city against the disadvantages.你必须权衡住在大 城市的利与弊。
He lost his balance and fell.

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3 ought to 应该,应当 否定 done 本应当做而未做

oughtn't to 同义词 should,ought to have

If he started at nine, he ought to be here now. 如果他九点出发现在应该到这里了。

He ought to have handed in his homework on time.
他本应该按时交作业。

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4.get away with (1)偷携某物潜逃;偷走 The thieves got away with the contents of the safe. 那些贼偷走了保险箱内的东西。 (2)受到从轻发落(轻微惩处) He was lucky to get away with only a fine.

他算是万幸,只被罚款了事。
(3)做(坏事) 而未受惩罚

Those who lie and cheat will never get away with it.
那些撒谎和欺骗别人的人决不会逃得过惩罚。
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归纳拓展
get away(from) (从)……脱离;逃脱(……) get along/on with 与……相处 get down to(doing)sth. 开始认真地做某事 get in touch with 与……取得联系 get over 克服(困难);从……中恢复过来 get sb.down 使(某人)沮丧或情绪低落 get through 完成;接通电话;通过

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5debt n 债,债务。 be in debt 欠债 be/get out of debt还请债务 负债, get/run/fall into debt 陷入债务危机 翻译:I am heavily in debt at the moment but hope to be out of debt when I get paid. 我那时欠了很多债,但是希望在我有了收入之后能还清债务。

I ’ m heavily ____ debt_____my friends at the moment, but hope to be _____ debt when I get paid.
A. on; in; got out of B. on; to; out of √ D.in; to; out of

C. in; in; got out of

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6 limit vt 限制限定 adi limited limit...to... 把......限制到...... 范围

有限的 n limitation

翻译: 1)My mother limits us to one cake each day. 母亲限我一天只吃一块蛋糕。 2) The amount of money you have to spend will limit your choice. 花钱的多少将限定你的选择。 3) There is a limit to what I can do for you 我能为你做的很有限。

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7combine使联合,使结合 combine...with...把和结合到一起 The new teaching method combines education with pleasure.

新的教法将寓教于乐。
理论应该与实践相结合。 Theory should be combined with practice.

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8.cut down 词义:削减,删节 cut through 穿过,抄近路 cut off 切断,停掉,隔绝

cut up 切碎 cut in 插嘴

cut away 切除,减掉 cut out 删除,不再起作用

He was in hospital for six months. He felt as if he was _______ from the outside world.

A. cut out

√B.

cut off

C. cut down

D. cut through

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9.beforelong 不久以后 翻译:

long before 很久以前

1)This all happened long before you were born . 这件事发生在你出生之前。 2) It looks like it is going to rain before long.

看上去要下雨
3) It won’t be long before we meet again

我们不久就会见面。
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10.benefit n利益,好处v有益于,受益 adj benifical benefit from/by 从......中受益 benefit sb 受益于某人

be beneficial to 对......有益的 for the benefit of 为了的利益
A good diet is beneficial to health. 好的饮食对健康有益。 适当的锻炼对你有好处。(三种) Proper exercise is benefical to you.

Proper exercise benefits you.
You'll benefit from the proper exercises.

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训练案
1 limited 2combine 3 balance 4 consult 5 strength 6 diet 7 benefit 8 raw 9 slim 10 curiosity Ⅱ1 lose weight 2 get away with 3 cut down 4 before long 5 in debt 6 tell lies 7 are tired of 8 earns his living 9 benefit from 10 spying on

1 We received his letter before long.
2 you ought to help him because he was in trouble. 3 I'm tired of the tiring speech and begin to read novel. 4 It's wrong of you to tell lies to the teacher. 5 He earned his living by selling newspapaer. 6 He was in debt last yearand now he has paid off all the debt. 7 we can benefit from the fresh air. 8 did you consult the lawyer about this thing. 9Jenne is going o
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a diet,and she is losing weight.


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