Unit 2  Healthy eating
核心单词
1. balance
n. 天平；平衡；结余，余额
v.平衡；权衡
Can you balance yourself on skates?
你穿冰鞋能保持平衡吗?
If you earn ￡100 and spend ￡60，your balance is ￡40.
如果你挣100英镑，花60英镑，那么你就会结余40英镑。
You have to balance the advantages of living in the country against the disadvantages.
你得权衡一下住在乡下的好处和坏处。
常用结构:
keep a balanced diet  保持饮食平衡
要点突破
精讲精析
keep one s balance  保持平衡
lose one s balance  失去平衡
out of balance 不平衡
a sense of balance 平衡感
bank balance 银行余额
blance of trade贸易差额
keep balance of nature保持生态平衡
The two trucks had wheels out of balance on delivery.
这两部卡车在交货时车轮失去了平衡。
The boy has a lot of disadvantages, but on balance I think he is still a good boy.
这个男孩有很多缺点，但全面考虑，我认为他仍然是好孩子。
联想拓展
balanced adj. 合理的；收支平衡的；镇静的
balanced diet 均衡饮食
a balanced judgement 公平的判决
高手过招
单项填空
In education there should be a good          among the branches of knowledge that contribute to effective thinking and wise judgment.(2020·12·江西玉山检测)
A.distribution            B.balance
Cbination            D.assignment
解析:选B。balance平衡；distribution分发,分配,散布,分布；combination结合,联合；assignment分配，功课，任务，被指定的（课外）作业；（分派的）任务，委派。根据句意，选B。
2. lie
vi.& n.说谎；谎话，谎言(lied，lied，lying)
vi.躺，卧；处于(某一位置)，在于……(lay，lain，lying)
常用结构:
tell a lie／tell lies to sb. 对某人说谎
a white lie    善意的谎言
lie to sb.  向某人说谎
lie in    在于；处于connect和join的区别……状态
there lies ... 某地有……
lie on one s back/side/stomach仰卧/侧卧/俯卧
It’s no wonder that she lied to the court.
难怪她对法庭撒了谎。
West of the lake lies the famous city.
那个著名的城市坐落在湖的西面。
You are lying but lies can not cover up facts.
你在说谎，但谎言掩盖不了事实。
I’d rather use my money than leave it lying in the bank.
我宁愿把钱花掉也不愿搁在银行里不用。
联想拓展
lay vt. 放；搁；下(蛋)；产(卵)(laid，laid，laying)
高手过招
单项填空
There was an oil painting         in the corner. It          there for several days.          （原创）
A. laying; had laid              B. lain; had laid
C. lying; had lain              D. laid; had been lain
解析:选C。第一空是“处于/在于……”的现在分词，第二空是其过去完成时。
3. amount
n. 数量
vi. 合计，总计达；相当于，等同于
常用结构:
amount to  总共达；相当于；等于
an amount of ... 大量的……
the amount of ... ……的数量
Planning without any real action amounts to nothing.
只计划不行动等于什么都不做。
The total cost of repairs amounted to $100.
修理费用总计达100美元。
联想拓展
表示数量的短语及用法：
a great deal of，a large／small／huge amount of+不可数名词(作主语时，谓语用单数形式)
large／vast amounts of+不可数名词(作主语，谓语用复数形式)
many，a good／great many，a number of，large numbers of，a few，dozens of，scores of+可数名词复数(作主语，谓语用复数形式)
plenty of, a lot of+可数名词复数(作主语，谓语用复数形式)；也可接不可数名词(作主语，谓语用单数形式）
a large quantity of+名词，large quantities of+名词（作主语，谓语与quantity一致）
I need a large amount of money to buy a new house.
我买新房需要一大笔钱。
高手过招
单项填空
Because of      mail we receive，we may not be able to reply to your letter.Please remember to include your full name with your letter.  (2020·12·江西师大附中检测)
A. a great many of          B. a large number of
C. a large amount of        D. a great plenty of
解析:选C。mail邮件，不可数名词。故用a large amount of。
4. curiosity
n. 好奇心
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。
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。
常用结构:
out of curiosity 出于好奇
with curiosity = curiously好奇地
联想拓展
curious adj. 好奇的
curiously adv. 好奇地
be curious about sth. 对某事好奇
be curious to do sth. 好奇地做某事
高手过招
完成句子（原创）
①Margaret looked at him                  (好奇地).
②She decided to try a cigarette                        (出于好奇).
③All the employees in this firm                           (好奇) the personal life of the general manager.
④        (奇怪的是) enough, he had never seen the little girl.
5 (好奇心) drove Mary to open her husband’s letter though she knew it was wrong.

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