必修三Unit2Healthyeating.doc

Unit 2 Healthy eating
单元要点预览
词汇
部分
词语
辨析
1. diet / food 2. offer / provide / supply
3. strength / power / force
4. glare / stare / glance
词形
变化
1. health n. 健康
healthy adj.健康的；有益健康的
healthily adv. 健康地
2. sugar n.糖 vt.在……中
加糖
sugary adj. 甜的，含糖的；甜言蜜语的

3. curiosity n. 好奇心
curious adj. 好奇的
curiously adv. 好奇地
4. weakness n.虚弱，衰弱，
软弱；弱点，缺点
weak adj.虚弱的；(能力等)差的；微弱的
weaken v.(使)变弱，(使)减弱
5. strength n. 力气；长处
strengthen vt. 加强；
巩固
strong adj. 强壮的；牢固的
6. digest vt.消化；吸收，领
悟 n.文摘
digestion n.消化(力)
digestive adj.消化的，易消化的
7. benefit v.& n. 有益于；
得益于；利益，好处
beneficial adj. 有益的

重点
单词
1. balance n. 天平，平衡；余额，余数 v. 平衡；权衡
2. curiosity n. 好奇心
3. limit vt.&n. 限制；限定
4. benefit vt. 有益于；vi. 得益于(常与from, by连用) n. 利益，好处；津贴
5. combine vt.&vi. (使)联合；结合
重点
词组
1. be tired of 对……厌烦了
2. ought to aux. 应当；应该(没有人称和数的变化，后接动词原形)
3. lose weight体重减轻；减肥
4. get away with偷携某物潜逃；受到（较轻的惩罚）或逃避惩罚
5. tell a lie 说谎
6. earn one’ s living谋生
7. in debt 欠债
8. before long 不久以后
重点句子
1. Nothing could be better.
2. Something terrible must have happened if Maochang was not coming to eat with his as he always did.
3. He couldn’ t have Yong Hui getting away with telling people lies.
重点语法
1．情态动词的完成式的用法 2．双重性情态动词的用法

语言要点（模块）
Ⅰ.词语辨析
1. diet / food
【解释】
diet 指通常吃的食物，尤指规定的食谱[如治疗疾病或减轻体重的食物]，还可作动词“节食”。常用搭配：be/get/go on a diet 进行节食 put sb. on a diet限制某人的饮食
food 指人或动物所需的食物；或植物所需的养料。
【练习】根据句子意思用diet，food的适当形式填空。
1). We cannot survive without _______ and drink.
2). The doctor says I’ ve got to go on a _______.
3). The doctor put me on a low-salt _______ to reduce my blood pressure.
Keys: 1). food 2). diet 3). diet
2. offer / provide / supply
【解释】
offer“提出，提供，呈现”，表示向别人提供帮助，服务或物品。
搭配：offer to do sth / offer sb sth /offer sth to sb
provide“供给提供，装备，准备”，强调有预见，并通过储存或准备的方式为某事做准备，以在需要时提供所需物品。
搭配：provide sb with sth / provide sth for sb
supply“供给，补充，弥补”，表示替换或不足所需之物以及弥补缺陷，满足要求的意思；也作名词，“供给(量)，物资，存货”。
搭配：supply sb with sth / supply sth for/to sb
【练习】根据句子意思填介词或用offer，provide，supply的适当形式填空。
1). The project is designed to _______ young people _______work.
2). He _______ to lend me some books.
3). He _______ me 300 dollars _______ that television.
4). We ______ power to the three nearby towns.
Keys: 1). provide; with 2). offered 3). offered; for 4). supply
3. strength / power / force
【解释】
strength 用于身体指力气力量；用于物体指承受或抗拉的强度；也可指长处。
power用于人体、机械或风时指可应用的能量，也可指电力、权力和能力。
force用于爆炸、风暴或打击时指释放的能量及其对物体的冲击力；也可指暴力。
【练习】根据句子意思用strength，power，force的适当形式填空。
1). I will do everything in my _______ to help you.
2). We can use the _______ of the wind to make electricity.
3). He used all his _______ to lifted the heavy box.
4). The soldiers took the prisoners away by _______.
Keys: 1). power 2). power 3). strength 4). force
4. glare / stare / glance
【解释】
glare at sb. 对某人怒视，怒目而视
stare at sb. (由于惊奇、害怕、生气或深思而睁大眼睛) 对某人凝视，盯着看
glance at sb. 对某人瞥一眼，粗略地看，浏览
【练习】根据句子意思用glare，stare，glance的适当形式填空。
1). She _______ shyly at him and then lowered her eyes.
2). The two boys _______ at each other before they fought.
3). My father_______ at the stranger for a long time as if they had known each other before.
Keys: 1). glanced 2). glared 3). stared
Ⅱ.词形变化（旨在提供语法填空所需材料）
1. health n. 健康
healthy adj.健康的；有益健康的
healthily adv.
健康地
2. sugar n.糖 vt.在……中
加糖
sugary adj. 甜的，含糖的；甜言蜜语的

3. curiosity n. 好奇心
curious adj. 好奇的
curiously adv.
好奇地
4. weakness n.虚弱，衰弱，
软弱；弱点，缺点
weak adj.虚弱的；(能力等)差的；微弱的
weaken v.
(使)变弱，(使)减弱
5. strength n. 力气；长处
strengthen vt. 加强；
巩固
strong adj.

强壮的；牢固的
6. digest vt.消化；吸收，领
悟 n.文摘
digestion n.消化(力)
digestive adj.
消化的，易消化的
7. benefit v.& n. 有益于；
得益于；利益，好处
beneficial adj. 有益的

Ⅲ.重点词汇
1. balance n. 天平，平衡；余额，余数 v. 平衡；权衡
balanced adj. 均衡的
[重点用法]
a balanced diet 均衡的饮食 keep the balance of nature保持生态平衡
keep one’ s balance保持平衡 lose one’ s balance (= be out of balance) 失去平衡
2. curiosity n. 好奇心 curious adj. 好奇的 curiously adv. 好奇地
[重点用法]
out of curiosity 出于好奇 with curiosity = curiously好奇地
be curious about sth. 对某事好奇 be curious to do sth. 好奇地做某事
3. limit vt. 限制；限定 n. 界限；限度 limited adj. 有限的 limitless adj. 无限制的
[短语归纳] limit短语：
limit sb./sth. to... 限制某人/某事到某种程度 put a limit on... 对……限制
there is a limit to对……是有限的 without limit 无限地，无限制地
4. benefit vt. 有益于 vi. 得益于（常与from, by连用） n. 利益，好处；津贴
1). The rain benefits the plants. = The plants benefit from the rain. 这场雨有益于植物。
[重点用法]
be of great benefit to = be very/greatly beneficial to 对……有益
for the benefit of = for sb’ s benefit为了……的利益
benefit from 从……中受益
5. combine vt.&vi. (使)联合；结合 combination n. 联合；结合
combined adj. 联合起来的
[短语归纳] combine的短语：
combine with sb./ sth. 与某人某物结合起来 combine together联合起来
combine A with/and B 使A与B联合起来
Ⅳ.重点词组
1. be tired of = be fed up with = be sick of 对……厌烦了
[典例]
1). We are fired of hearing the old story. 这老话我们听厌了。
2). I’ m tired of the same breakfast every day. 我厌倦了每天吃同样的早餐。
[短语归纳]
get/be tired of doing sth. 厌倦(做某事)
get/be tired from doing sth 因……而疲倦
be tired out = be worn out 非常疲倦
2. ought to aux. 应当；应该(没有人称和数的变化，后接动词原形)
[典例]
1). They ought to come tomorrow. 他们明天应当来。
2). He ought not to do it. / He oughtn’ t to do it.（否定形式）他不应该做这件事。
3). Ought we to do it at once?（疑问式）我们应该马上做这件事吗？
[练习] 按要求填空或翻译。
1). He ought to be here, __________ he? (反意疑问句)
Keys: 1). shouldn’ t / oughtn’ t
3. lose weight体重减轻；减肥
[短语归纳] weight短语及lose短语：
put on weight（指人）增加体重，长胖
be/take a weight/load off sb’ s mind使自己/某人如释重负
lost heart 泄气；灰心
lose one’ s heart (to sb/sth): fall in love 爱上；锺情於……
lose one’ s life 丧生；遇害
lose one’ s balance 失去平衡
lose one’ s breath气喘嘘嘘；上气不接下气
lose one’ s head 昏了头，张皇失措，冲动
lose one’ s temper发脾气
lose one’ s job 失业
lose one’ s way: become lost 迷路
lose touch (with sb/sth) 失去和某人/事物的联系
lose interest in sth/sb 对某事物/人失去兴趣
lose sight of sb/sth 看不见某人/物；忽略或未考虑某事物
lose face 丢脸

4. get away with 偷携某物潜逃受到（较轻的惩罚）或逃避惩罚
[典例]
1) If you cheat in the exam you'll never get away with it. 考试作弊必予追究。
[短语归纳] get词组：
get down to 认真静下心（工作） get on well with 相处融洽；(工作的) 进展好
get through 接通电话；办完；完成 get up 起床；起身
get down to 认真地静下心(工作) get over 克服，熬过，恢复
5. tell a lie = tell lies 说谎
[短语归纳] tell短语和习语：
tell jokes/ a joke讲笑话 tell (sb.) a story给某人讲故事
to tell (you) the truth 说实话(用以引出自白或承认的话
tell A from B: distinguish A from B 辨认A和B；辨别
tell/know A and B apart 将A和B辨别开来 you can never tell 谁也不知道
there is no telling: it is impossible to know 不可能知道
tell you what 我说 (用以提出建议)
I told you (so) 我提醒过你要出事；我早就跟你说过
6. earn one’ s living = make one’s/a living 谋生

7. in debt 欠债
[典例]
1). They are in heavy debt to the Bank of China. 他们欠中国银行很多钱。
2). You saved my life: I am forever in your debt. 你救了我的命: 我永远感恩不尽。
[短语归纳] debt短语和 “in + n.” 表示“在……（情况、状况、状态）中”：
get/run into debt 欠债；负责 out of debt不欠债
run up huge debts高筑债台 pay off one’ s debts还清债务
in danger 在危险中 in trouble陷入困境，倒霉
in order 井井有条 in surprise 吃惊
in public 当众，公开 in ruins 呈废墟状态
in sight 看见 in silence沉默着

8. before long 不久以后
[典例]
The dictionary will be published before long. 这本词典不久就要出版。
[重点用法]
long before 很久以前 long ago 很久以前

[练习] 根据句子意思填空。
1). That happened ______ ______.
2). I’ ve seen that film ______ ______.
3). His plan seemed to be too difficult, but ______ ______ it proved to be practicable.

Keys: 1). long ago 2). long before 3). before long

Ⅴ.重点句子
1. Nothing could be better. 没有什么比这更好的了。
[解释] 此句中用比较级的否定形式表示最高级的含义。如：
Nobody loves you more than I do. 没有比我更爱你的人了。
I’ ve never heard a more beautiful voice. 我从没有听过更动听的嗓子。
[练习] 根据句子意思及要求填空或翻译。
1). 他从来没有看过一部更令人激动的电影了。
_______________________________
2). 没有什么比旅游更令人愉快。
_______________________________________________________________________________
Keys: 1). He has never watched a more exciting movie.
2). Nothing is more pleasant than traveling.
2. Something terrible must have happened if Maochang was not coming to
eat with his as he always did. 要是李昌不像往常那样到他店里吃饭，
那问题一定严重了。
[解释] 情态动词 + have done
1). 情态动词must +have done只用于肯定句中，表示对过去发生的事情或状态进行肯定的推测，意为“过去一定做过某事”。
It must have rained last night, for the road is wet. 昨天晚上一定是下雨了，因为路还湿着。
You must have seen the film the Gold Rush. 你肯定看过电影《淘金热》。
2). 情态动词can／could可用于否定句中，即can’ t have done ／couldn’ t have done，表示对过去发生的事情或状态的肯定的推测，意为“过去不可能做过，肯定没做过”。
My sister met him at the theatre last night, so he couldn’ t have attended your lecture. 我姐姐昨天晚上在电影院遇见了他，所以他肯定没参加你的演讲．
3). 此外，can／could have done还可用于疑问句中表示对过去发生的事情或状态的不太有把握的推测，常表示“过去可能做过吗?”(注意：表推测的情态动词只有can／could常用于疑问句中)
I can’ t find Tom anywhere in the office building. Where can he have gone? 我在办公楼任何地方都找不到汤姆。他有可能去了哪里了呢？
4). 情态动词may／might +have done表示对已发生的动作或存在的状态进行不肯定的推测，might语气稍弱一点儿，只能用于肯定句和否定句中，表示“过去可能做过某事
或过去可能没做过某事”。
You might have read about it in the papers. 你可能在报上已经看过这个消息了。
[练习] 用括号中所给词的适当形式填空。
1). 一Where _______ Margaret _______ the empty bottles (can; put)?
一She _______ them away. They must be somewhere (can; throw).
2). 一_______he _______ as captain of the football team (can; choose)?
一Yes, he must have.
3). 一Hurry up, Michael! It’ s ten to three.
—Goodness me! The class ______ (must; begin). I’ ll be late again.
Keys: 1). can; have put 2). can’ t/ couldn’ t have thrown 3). must have begun
3. He couldn’ t have Yong Hui getting away with telling people lies. 他不能容忍永慧撒谎而逍遥法外。
[解释] have sb./sth. doing sth. 使某人或某物一直做某事
have sb./sth. doing sth. 容忍某人或某物总是干
have sb./sth. do sth. 使某人或某物做某事(注意不要在do之前加上to)
have sb./sth. done sth. 请人做某事(自己不去做或无法做)，(主语)遭受了不好的事情
[典例]
1). I had him waiting at the gate from eight o’ clock this morning till now.
2). I’ ll have him finish my work. 我将让他替我把工作完成。
3). I had my hair cut. 我请人把我的头发理了。
4). The woman had her handbag robbed yesterday.
昨天，这个妇女的手提包被抢了。
[练习] 用括号中所给词的适当形式填空。
1). To my despair, the doctor _____ me ______ in the room for the whole afternoon(have;wait).
2). I ______ my watch ______ because it didn’t work (have; repair).
3). I can’ t ______ him ______ noise all the time (have, make).
4). Yesterday Mum ______ Tim ______ his room since it was in a mess. (have, tidy)
5). The woman ______ her handbag ______ yesterday. (have; rob)
Keys: 1). had; waiting 2). had; repair 3). have making 4). had; tidy 5). had; robbed
3课文佳句背诵与仿写
1【原句】He thought of his mutton, beef and bacon cooked in the hottest, finest oil.
[模仿要点] 句子结构： A, B and C＋分词作定语.
【模仿】这张照片使我想起了1992年发生在身边我的人，地方和事情。
__________________________________________________________________________________答案：
The picture reminded me of the people, the place and the things happening round me in 1992.
2 【原句】Something terrible must have happened if Li Chang was not coming to eat in his restaurant as he always did.
[模仿要点] 句子结构： something must be done if …as…
【模仿】1）如果你想如同玛丽一样取得很大的进步，更多的练习是必不可少的。
__________________________________________________________________________答案：Some more exercise should be done if you intend to make much
progress as Mary did last term.
3 【原句】 Perhaps we ought to combine our ideas and provide a balanced
menu with food full of energy and fiber.
[模仿要点] 形容词作定语，相当于一个定语从句－which is full of…
【模仿】最后他们来到一个小农舍，看见一条小溪从长满各种花草的山谷流过。
__________________________________________________________________________________
答案：At last they arrived at a small cottage and found a stream running through the valley covered with different kinds flowers and trees. (--which was covered with…)
4 【原句】Their balanced diets became such a success that before long Wang
became slimmer and Yong put on more weight.
[模仿要点] 句子结构: such a … that从句
【模仿】他的刻苦训练给他带来很大的成功，他不久就进入了广东省跳水队。
__________________________________________________________________________________
答案：His hard training led to such a success that very soon he was admitted to
the diving team in Guangdong Province .
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