2015-2016学年高中英语 Unit 2 Healthy eating Words & Expressions Word同步讲练(含答案）

Unit 2 Healthy eating Words & Expressions Word
diet
【语境展示】 阅读下面句子，并试着归纳diet的意思及用法。
1. The doctor told Bob to reduce the amount of fat in his diet.
2. It is important to have a balanced, healthy diet.
3. I decided to go / be on a diet before my holiday.
4. I’ve been dieting for two months and I’ve lost 6 kilos.
【自我归纳】
★ diet作名词时，可意为“日常饮食”（句1和句2），常用于以下结构中：________ one’s diet在某人日常饮食中（句1）；have a balanced / healthy diet有均衡的/健康的饮食（句2）。也可意为“节食”，常用于以下结构：go / be on a diet（句3）。
★ diet作动词时，意为“节食，按规定饮食”（句4）。
【即学即练】根据括号内的汉语提示补全下列句子。
1. My mother is ____________ (正在节食) to reduce her weight.
2. You should be able to reduce your weight ____________ (通过按规定饮食).
参考答案
diet
【自我归纳】 in
【即学即练】
1. dieting / (going) on a diet 2. by dieting
balance
【语境展示】 阅读下面句子，并试着归纳balance的意思。
1. The salesgirl weighed the vegetable on the balance skilfully.
2. Riders need a good sense of balance.
3. We must keep a balance between spending and saving.
4. The crown could balance a stick on the end of his nose.
5. He balanced the advantages and disadvantages of the situation.
【自我归纳】 balance既可作名词，也可作动词。
★ 作名词，意为：① 天平（句1）；② ________ （句2）； ③ 均衡状态（句3）。
★ 作动词，意为：① 使（某物）保持平衡（句4）；② 平衡, 平稳 （句5）。
【拓展】
keep / lose one’s balance保持/失去平衡
balanced adj. 平衡的
【即学即练】 翻译下面句子。
1. 他失去平衡，从自行车上掉了下来。
____________________________________________________________
2. 尽量保持工作和娱乐平衡。
____________________________________________________________
3. 你能单脚站立多久
____________________________________________________________
参考答案
balance
【自我归纳】平衡, 平稳
【即学即练】
1. He lost his balance and fell off his bicycle.
2. Try to keep a balance between work and play.
3. How long can you balance on one foot
limit
【语境展示】阅读下面句子，并试着归纳limit的意思及用法。
1. We must limit the speed of the cars in this busy street.
2. Families are limited to three free tickets each.
3. The teaching of English should not be limited to words and grammar.
4. There is a limit on / to the amount we can get done in two weeks.
5. The EU has set strict limits on / to levels of pollution.
6. Keep within the limits of the school grounds.
【自我归纳】
★ limit作动词时，意为“限制，限定（句1-句3）”，常与介词to搭配。
★ limit作名词时，意为：① 限度，限量，限额（句4-句5）；② 界限，范围（句6）。
【拓展】 limited adj. 有限的
limitless adj. 无限的
limitation n. 局限性，不足之处(可数)
time limit 期限，时间限制
without limit 无限地
【即学即练】 用limit的适当形式填空。
1. We ought to put a strict ________ on the amount of money we can spend on the project.
2. It’s a good little car, but it has its ________.
3. There are only a ________ number of tickets available.
4. He ________ himself to two glasses of beer every day.
5. You can come and go when you want — without ________.
参考答案
limit
【即学即练】
1. limit 2. limitations 3. limited
4. limits 5. limits
benefit
【语境展示】 阅读下面句子，并试着归纳benefit的意思及用法。
1. I get no personal benefit from the business.
2. The new factory will be a great benefit to the town.
3. The system mainly benefited people in the south of the country.
4. Thousands of households could benefit under the plan.
5. Patients have benefited greatly from this treatment.
6. We benefited greatly by this heart-to-heart talk.
【自我归纳】 benefit既可作名词，也可作动词。
★ 作名词，意为“利益，好处”，既可作可数名词，也可作不可数名词（ 句1、句2）。
★ 既可作及物词，也可作不及物动词。作及物动词，意为“使……受益”（ 句3）； 作不及物动词，意为“得益”（句4—句6），后常跟介词________（句5、句6）。
【拓展】
be of benefit to ... 对……有好处
for the benefit of ... 为了……的好处
beneficial adj. 有益的，有好处的
【即学即练】根据汉语意思补全下面句子（每空一词）。
1. 众所周知，运动有益于我们的健康。
As we all know, exercise ________ ________ ________.
2. 我的假期对我没有多大好处。
My holiday wasn’t ________ ________ ________ to me.
3. 我们得益于每天做操。
We ________ ________ daily exercises.
4. 她待在国外因生病而未得到多大好处。
Because of illness, she didn’t ________ ________ ________ ________ her stay abroad.
参考答案
benefit
【自我归纳】from / by
【即学即练】
1. benefits our health 2. of much benefit 3. benefit from / by 4. get much benefit from
get away with
【语境展示】 阅读下面句子，并试着归纳get away with的意思及用法。
1. The thief got away with the money in the bank.
2. If you cheat in the exam you’ll never get away with it.
3. The child ought to be punished. You shouldn’t let him get away with telling lies!
4. Mark is always late for work, and yet nothing is said to him; I don’t know how he gets away with it.
【自我归纳】get away with意为“偷走，偷携某物潜逃”（句1）；“________”（句2～句4）。get away with后可跟名词、代词或动词-ing形式。
【即学即练】翻译下面句子。
1. Those who lie and cheat will never get away with it.
_______________________________________________
2. Don’t think you can get away with telling lies.
_______________________________________________
参考答案
get away with
【自我归纳】 被放过，（做坏事）不受惩罚
【即学即练】
1. 那些撒谎和欺骗别人的人绝对逃不过惩罚。
2. 不要以为你撒了谎就可以这样算了。