Unit 2 Healthy Eating
全员探究
1. energy n.精力，能量（不可数） energetic
He is so full of __________ that he can not keep still.
他精力那么旺盛，根本就闲不住。
He devoted all his energy to working for human rights.
[问题探究] energy, power, 和strength有何区别？
[提示]energy意为“能量；精力”
power可指“动力、权力等各种力量或能力”
strength指体力，力气
Knowledge is power．_____________________.
A judge has the power to send a person to prison.
法官有权把一个人投进监狱。
It will be some time before I recover my full ______________.
一段时间后我才能完全恢复体力。
2. ought to v. 应该；应当
She ___________________ look after her children better.
她应该更好地照顾自己的孩子。
You _____________________ drink too much. 他不应该喝太多的酒。
“ Ought I to go there alone?” “ Yes , you ought to.”
[知识拓展]ought to have done sth. 本应该做某事（而实际上没做）=_______________
本不应该做_____________________ ________________________
He failed in the exam. He _________________________________________.
他没通过考试，他原本应该是更努力学习的。
I _____________________ her more help, but I was too busy.
我本应该多给她一些帮助，但我当时太忙了。
3. glare vi.怒目而视
She rose , _________________ the rude waiter. 她站起来瞪着那无礼的侍者。
They ____________________________. 他们互相怒视。
[问题探究] glare和stare有何区别？
Stare是指盯着某人看与at搭配
盯着别人看是不礼貌的。
_______________________________.
4. curiosity n. 好奇心
satisfy one’s curiosity_________
[知识拓展] curious adj. 好奇的，稀奇的
⑴ be curious about sth.
Children are naturally ________________ everything around them.
小孩子对周遭的每件事感到好奇是很自然的。
⑵ be curious to do sth.
A student should always ___________________________________.
一个学生应该总是有求知欲的。
合作探究课文理解
Step1: Fast reading:
Read the passage silently and quickly and answer the following QUESTIONS, You’ll be given 5 minutes.
1. What makes a balanced diet?
_____________________________________________________
2. What is wrong with the diet of both Wang Peng and Yong Hui?
_____________________________________________________
3. Why does it matter if you only eat at Wang Peng’s or Yong Hui’s restaurant?
______________________________________________________
Step2: Careful reading:TRUE or FALSE?
Do Exx 1 on page 11.
Step3:.Comprehending Practice
Do Exx4 on page 11
Step4:Explain
1. benefit n.[u] 利益；好处
public benefit_________ a benefit concert __________
I got a lot of ___________ from learning a foreign language.
从学习外语中我得到很多益处。
be of ( some / much / no / little )benefit to 对……有益
That experience was _________________________.
那个经验对我很有益处。
Your advice is _______________________. 你的建议对我很有帮助。
[知识拓展] 联系be of+ 抽象名词 短语）用处，价值，帮助，重要性
benefit vt.& vi. 有益于；受益；有助于（与from搭配）
The reforms will ___________ working families.
这些变革将使职工家庭得到好处。
The company ___________________ selling a new product.
这家公司从销售新的产品中受益。
2.consult vt 请教，咨询，查阅，参考
consult sb about sth ____________
You’d better _____ your doctor ______ your headache.
你头痛的事最好咨询一下医生。
I consulted the telephone book for his address.
____________________________________________.
Vi （与人）商量；协议
consult with sb ______________
关于聚会的事，你最好和你的老同学商量一下。
____________________________________________.
He consulted with his manager about the pay.
___________________________________________.
3.before long 不久以后
long before 很久以前
区别：before long 相当于soon 和将来时，过去时连用，后不可加句子
long before 与过去时或过去完成时连用，后可加句子
不久，你就会理解这个句子。
__________________________________
I had known him long before.
___________________________.
不久，我们就会再见面。
____________________________.
It will be long before we can live on the moon.
_______________________________________.
4.Wang Peng sat in his empty restaurant feeling very frustrated .
feeling very frustrated 是现在分词做伴随状语，如：
He sat at the table, ___________________.
他坐在桌旁看《中国日报》
Laughing and talking, they went into the room.
_________________________________________________.
5.Nothing could be better, he thought.
此句子用比较级的形式表最高级的意义
He is taller than any other boy in his class.
______________________________________.
注意：否定句与比较级连用，实际上表的是最高级的含义。
Did you sleep well last night?
Never better, like a rock.
________________________________.
I have never heard a better voice.
_________________________________.
I think nothing is more pleasant than travelling.
________________________________________.
Unit 2 Healthy Eating
语法探究
1. must 的主要用法。
⑴ 表示必须、必要
We must do everything step by step .我们必须按部就班地做一切事情。
⑵ must be + 表语的结构，通常表示猜测，含有“一定”之意。（只用在肯定句中）
He must be an honest boy. 他一定是个诚实的男孩。
must +have +过去分词的结构，常用在肯定句中，表示对过去发生行为的推测，含有“一定”、“准是”的意思。否定和疑问句用can。
She must have studied English before.她以前一定学过英语。
⑶ must 的否定式有两个：当回答由must引起的问题时，否定答复要用needn’ t或don’t have to表示“不必”、“无须”、“用不着”、“不一定”的意义。当表示“不应该”、“不许可”、“禁止”时，就用must not。
Must I go tomorrow? 明天我必须去吗？
Yes, please.是的，请吧！
No , you needn’t. 不，你不必去。
2. have to 的主要用法
⑴ have to 有人称和数的变化，可用于多种时态中：一般现在时中当主语是第三人称单数时要用has to，其余的人称用have to，一般过去时中要用had to； 一般将来时中则要用will have to.
She has to go to school by bus. 她不得不乘公共汽车上学。
You'll have to see the doctor if you get ill. 如果你生病了，就得去看医生。
⑵ have to 的否定句和疑问句的构成往往要借助于助动词do的适当形式或助动词will即have to, has to, had to和will have to的否定式分别为don't have to, doesn't have to, didn't have to和won't have to，疑问句是在句首加助动词do的相应形式，句中还原成have to或把will放到句首。
What does she have to do? 她必须做什么？
You didn't have to wait for me yesterday. 昨天你没有必要等我。
⑶ have to和must 的区别
① 含义和用法上的区别，have to强调客观需要做某事，即表示由于客观外界的条件的需要不得不做某事，含有“形势逼迫”的意味，must强调说话者主观上认为必须做某事，含有“主观判断”的意味。
My bike was broken on my way to school. I had to walk there.
我的自行车在上学的路上坏了， 我不得不走路去上学。
We must learn English well. 我们必须学好英语。
② 否定式的区别：have to 的否定式意思为“不必”，must的否定式mustn't 意为“禁止，不允许”。因此，以must 开头的一般疑问句的肯定回答为“Yes, 主语+must.”。否定回答为“No, 主语+needn't / don't have to.”.
Must I finish the homework now? 我必须现在完成作业吗？
Yes, you must. /No, you needn't. 是的，你必须现在完成。（不，你不必。）
③ need与have to 用法辨析
need表示需要，主要用于否定句和疑问句。用于疑问句，肯定回答用must，否定回答用needn't。have to表示他人或客观情况要求“必须”，也可以翻译为“不得不”，have to否定形式意思是“不一定”或“没有必要”。
3. ought to 的用法
⑴ 表示义务，意为“应该”(因责任、义务而该做)，口气比should稍重。
We ought to defend our country.我们应当保卫我们的国家。
You ought to respect your parents.你应当尊敬你的父母。
⑵ 表示推测，暗含很大的可能，可译为“应该是，会是”。
Prices ought to come down soon.价格可能会很快下跌。
⑶ ought to和should的含义较近，但不完全相同。ought to表示“应该”，是从“义务”或“按理推断”的角度来讲的。should则是从说话人的个人看法这一角度来讲的。
You are her mother. You ought to look after her.
你是她的母亲，你应当照管她。(是道义上的责任，不能和should互换。)
We should encourage him, for we are his classmates.
我们应该鼓励他，我们是他的同班同学啊！
Unit 2 Healthy Eating
课前预习
一、 课前预习：词汇突破
重点词汇：
1. vt &vi.（使）结合_______ 2.adj.未加工的_________________
3.vt&n. 平衡___________ 4.n. 好奇心_______________
5. adj&vi.苗条的；变细_____ 6.n.力量_________________
7. n.债务___________ 8. 有益于________________
9. 顾客___________ 10.n.叹息__________
11.adj.有限的_________ 12. 油煎，油炸__________
13.符号，迹象_________ 14. 折扣___________
15. 咨询，请教_________ 16.间谍_________
二、重点短语：
1.被放过____________________ 2. 说谎 _______________
3.谋生________________ 4.怒目而视 __________________
5.欠债 ______________ 6. 不久以后 ______________
7.增加体重______________ 8. 削减，删节____________
9.应当，应该__________ 10.减肥 _______________
11.赢回，重新获得 _________
达标训练
1.In this way they _______ the fat and increased the fibre in the meal.
A. cut up B. cut down C. cut off D. cut through
2. He didn’ t look forward to _____because his restaurant was no longer popular.
A. be in debt B. being in debt C. be in the debt D. being in the debt
3. As is known to all, plants absorb_________ from the sun.
A. power B. energy C. force D. strength
4. The child did not look forward ______away from home for a couple of days.
A. to being B. to be C. at being D. having been
5. Your speech at the meeting is limited _____ half an hour.
A. at B. for C. in D. to
6. Many countries are increasing their use of natural gas, wind and other forms of __________.
A. energy B. source C. power D. material
7. ---- Go for a picnic this weekend, OK?
-----__________. I love getting close to nature.
A. I couldn’t agree more. B. I’m afraid not.
C. I believe not. D. I don’t think so.
8. “We can’t go out in this winter,” said Bob, _________ out of the window.
A. looking B. to look C. looked D. having looked
9. __________her death in 1886,the poet Emily Dickenson had become a legend(传奇人物) in the hometown.
A.It was before long B. Before long C. When before long D. Long before
10. The secretary worked late into the night, ________ a long speech for the president.
A．to prepare B. preparing C. prepared D. was preparing
11.How do you find our hotel
I couldn’t find a ______ one.
A. good B. better C. best D. fine
12.The book is of _______ benefit _______ us.
A. great; for B. much; for C. very; to D. great; to
13. We____ the letter yesterday, but it didn't arrive.
A. must receive B. ought to receive
C. must have received D. ought to have received
14. We ought to help each other in our work, ____?
A. oughtn't we B. should we C. ought we D. ought to we
15.As he had heart attack, he was told that he ____ continue the work.
A. needn't B. may not C. mustn't D. can't
16.The city cleaners ______ repeat their work many times a day during the dust-storm season.
A. may B. can C. might D. have to
17.Johnny, you ＿＿＿ play with the knife, you ＿＿＿ hurt yourself.
A. won’t; can’t B. mustn’t; may C. shouldn’t; must D. can’t; shouldn’t
18. Tom, you _______ leave all your clothes on the floor like this！
A. wouldn’t B. mustn’t C. needn’t D. may not
19. Lucy doesn’t mind lending you her dictionary.
— She ______. I’ve already borrowed one.
A. can’t B. mustn’t C. needn’t D. shouldn’t
20. It was very kind of you to do the washing-up, but you ____it.
A. mustn't have done B. would not have done
C. might not have done D. didn't have to
