高中英语人教版必修3Unit2HealthyeatingLanguagepoints教案系列四.docx
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高中英语人教版必修3Unit2HealthyeatingLanguagepoints教案系列四
必修三Unit2Healthyeating
Period2Languagepoints
词汇详解：
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
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
【练习】
用括号内所提供词的适当形式填空。
1）. You look much ________ （health） than before.
2）. The boy had burning ________ （curious） about what was going on.
3）. The government decided to take some measures to _________ （strength） the economy.
4）. Fresh air is ________ （benefit） to one’s health.
5）. Mike was the ________ （strength） boy in his class.
6）. It’s that ________ （sugar） smile of his that I can’t bear - it makes me want to puke!
7）. It’s important to know your own strengths and ________ （weak）.
8）. Vegetables are usually cooked to aid ________ （digest）.
Keys:
1）. healthier 2）. curiosity 3）. strengthen
4）. beneficial 5）. strongest 6）. sugary 7）. weaknesses 8）. digestion
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
【典例】
1）. Try to achieve a better balance between work and play.
争取把工作和娱乐更好地结合起来。
2）. I must check my bank balance （= find out how much money I have in my account）.
我要核对一下我在银行的余额（看我的帐户上有多少钱）。
3）. Try to balance your diet by eating more fruit and less protein.
多吃些水果, 少摄入些蛋白质, 使饮食均衡合理。
【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
【练习】
用balance短语填空或翻译。
1）. He ______ ______ ______ and hurt himself when he went upstairs.
2）. It is difficult to for you to ______ ______ _______ on an icy pavement.
3）. 我们必须权衡利弊才做出决定。
_______________________________________________________________________________Keys:
1）. lost his balance 2）. keep your balance 3）. We must balance the advantages against the disadvantages before we decide.
2. curiosity n. 好奇心
curious adj. 好奇的
curiously adv. 好奇地
【典例】
1）. Children have a natural curiosity about the world around them.
小孩子对他们周围的世界有着天生的好奇心。
2）. I opened the packet just to satisfy my curiosity.
我打开包裹只是为了满足我的好奇心。
【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
【练习】
用curiousity的短语或其适当形式填空。
1）. Margaret looked at him _______ _______.
2）. She decided to try a cigarette _______ _______ _______.
3）. All the employees in this firm _______ _____ ______ the personal life of the general manager. 4）. ________ enough, he had never seen the little girl.
3）. ________ drove Mary to open her husband’s letter though she knew it was wrong.
Keys:
1）. with curiosity 2）. out of curiosity 3）. are curious about 4）. Curiously 5）. Curiosity
3. limit vt. 限制；限定 n. 界限；限度
limited adj. 有限的
limitless adj. 无限制的
【典例】
1）. The speed limit on this road is 70 mph.
这条路的车速限制是每小时70英里。
2）. We must try and limit our expenditure.
我们必须设法限制我们的开支。
3）. There’s a limit to how much I’m prepared to spend.
我准备花多少钱是有限度的。
【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
【练习】
用limit的短语或其适当形式填空。
1）. One‘s energy is ______.
2）. ______ ______ ______ ______ （没有止境） what you can do if you try.
3）. We must _______ our weekly expenditure ______ ten pounds.
4）. Only a _______ number of places are available.
Keys:
1）. limited 2）. There’s no limit to 3）. limit; to 4）. limited
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。
2）. This dictionary will be of great benefit to me.
这本字典将对我有很大的好处。
3）. He said he would starve rather than beg for food.
他说他宁愿挨饿也不要饭吃。
4）. The enemy is trying to starve us to death.
敌人正在企图饿死我们。
【重点用法】
be of great benefit to
= be very beneficial to 对……有益
for the benefit of = for sb’s benefit为了……的利益
benefit from 从……中受益
【练习】
用benefit或其短语的适当形式填空。
1）. The new highway will ________ the villagers.
2）. He will _________ the new way of studying.
3）. The warning sign was put there _________ the public.
Keys:
1）. benefit 2）. benefit from 3）. for the benefit of
5. combine vt.&vi. （使）联合；结合
combination n. 联合；结合
combined adj. 联合起来的
【典例】
1）. We can‘t always combine work with pleasure.
我们并不总是能在工作中享受到乐趣。
2）. Circumstances have combined to ruin our plans for a holiday.
各种情况凑在一起破坏了我们的假日计划。
【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
【练习】
用combine的短语或其适当形式填空。
1） A _______ of factors led to her decision to resign.
2） Success was achieved by the _______ efforts of the whole team.
3） As a writer, he _______ wit _______ passion.
Keys:
1）. combination 2）. combined 3）. combined; and/with
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
【练习】
用tired短语的适当形式填空。
1）. My eyes ______ ______ ______ reading in a poor light.
2）. I ______ ______ ______ watching television; let’s go for a walk.
3）. I ______ ______ ______. Can we stop for a rest?
Keys:
1）. were tired from 2）. am tired of 3）. am tired/worn out
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 thought that they ought to take part in the design.
他认为他们应当参加设计。
3）. He ought not to do it. / He oughtn’t to do it.（否定形式）
他不应该做这件事。
4）. 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）
2）. I’m sorry. I ____________________ （本应该先给你打个电话） to tell you 1 was coming．
3）. I ______________________ （本不该拜访） her, but I missed her so much.
Keys:
1）. shouldn’t / oughtn’t 2）. should / ought to have phoned 3）. shouldn’t / ought not
to have visited
3. lose weight体重减轻；减肥
【典例】
She is trying to lose weight.
她在努力减肥。
【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
【练习】
用weight短语及lose短语的适当形式填空或填介词。
1）. He’s ______ ______ ______ since he gave up smoking.
2）. Paying my mortgage was an enormous weight ______ （介词） my mind!
3）. I’ve ______ ______ ______ all my old friends.
4）. Don’t ______ ______ ______ --- keep calm!
Keys:
1）. put on weight 2）. off 3）. lost touch with 4）. lose your head
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） They raided the bank and got away with a lot of money.
他们抢劫银行, 掠走了大批现款。
2） If you cheat in the exam you'll never get away with it.
考试作弊必予追究。
3）. Nobody gets away with insulting me like that.
这样侮辱我的人, 我是不会放过的.
【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
【练习】
用get词组填空。
1）. To my surprise, the baby wolf ______ __
升级会员 