Unit 13 The water planet复习提纲
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Unit 13
㈠重点词汇
1. cube 1)立方形, 立方体, 方块;
2)立方;三次幂
Please bring me an ice cube (一块冰块)out of the fridge.
The cube of 2 is 8. 2的3次幂是8.
The cube root of 27 is 3. 27的立方根是3.
cubic立方的；立方形的
2. benefit 1) vt. “对…有利”, 后面接名词&代词, 但不接反身代词
Exercise benefit our health.
Your advice benefited me a great deal..
The fresh air will benefit you.
2) vi. “获益, 得益于”,后面可接from/ by
We benefit by/ from daily exercises.
The plants benefited from the rain.
3) n.益处, 好处(可数& 不可数)
I told them all the benefits of fresh air and exercise.
He got a lot of benefit from the holiday.
假期让他受益匪浅！
Your advice was of great benefit to me.
你的忠告对我很有好处
4) for the benefit of 为了…的利益
be of benefit to sb. 对…有好处
3. property
1) 财产; 不动产; 所有权(不可数); (某处特定的)地产(可数)
This small house is my only property （唯一的财产）
With the city developing rapidly, property in the center is becoming more expensive.
He has a large property in the county.
他在这个县有一大宗地产。
2)性能, 特性(可数)
One property of steel is its hardness.
坚固是钢的特性之一
He is studying the medicinal properties of wild plants. 他正在研究野生植物的药物特性。
Many plants have medicinal properties.
4. range
1)vt.“排列, 归类”, 其宾语为排列对象,后接介词on/ in/ along表示方向或趋势
The teacher ranged the pupils along the curb.
教师叫学生沿着路边排队。
I ranged the books on the shelf by/ according to size. 我把书依照大小顺序排在书架上。
The cards are ranged in alphabetical order
2) vi. 在…范围内变动 & (山脉等)绵亘, 伸展, 排列, 延及
The temperature ranges between 30 and 40 degrees centigrade.
The road ranges westward from the lake.
这条路由湖边向西延伸
3)(不可数)“范围”, 指认知, 知识, 经验或能力方面的范围
be out of one’s range
某人所不能及的, 非自己知识范围之内的
beyond the range of human understanding
超越人类理解的范围
within range of vision
在看得到的范围之内
The houses are sold out within this price range.
在这个价位范围之内的房子已售完。
5.pure 1)纯粹的；干净的；无有害物质的;纯洁的；清白的；无邪的
Is this cup made of pure gold?
The water in mountain rivers is usually pure.
2)“完全的；彻底的”，常用来加强语气
What you are saying is pure nonsense.
It is a pure accident.
6. mass n. & vi.
1) “质量”,不可数；“团、块、堆、片、群”，可数，常指聚成一体的没有具体形状的物质；“人民、群众”，常用作复数形式.
a mass of masses of 许多 ，大量的
A great mass of snow has fallen off the roof.
There are masses of dark clouds in the sky.
I wonder if they are truly concerned with the interests of the masses.
7. float
1) vi.“漂浮”，强调的是“保持悬在流体的表层内或表面上的状态而不沉下去”；“漂移，游荡”尤指随意地从一处移动到另一处，多作不及物动词用，后面可以加介词on.
Wood floats on water.
The empty boat was floating on the sea.
A balloon is floating in the sky.
2) vt.使悬浮或放入水中；使……下水
There was enough water to float the ship.
3) ◇on the float漂浮着
8. absorb
1）vt. 吸收(水、热、光、知识、学问等)
Cotton gloves absorb sweat.
So many good ideas! It is too much for me to absorb all at once.
He was utterly absorbed in the book.
2)be absorbed in 全神贯注于…，热衷于
absorb one’s attention =attract one’s attention
9. sensitive 1)adj. 敏感的(to)；灵敏的； 容易生气的(about)
She is sensitive to the smell of smoking.
The child is sensitive to eggs.
那个孩子对鸡蛋过敏。
He is sensitive about his failure.
人家一提到他的失败，他就生气。
㈡主课文讲解:
1。 life 生物(活的有机物的总称)无复数形式不加冠词，谓语用单数
There is no life on the moon.
Marine life swims in water.
2。 range from … to… 从…分布到，在某一特定的范围内变化或变动
There are 200 boys ranging from 7 to 14 in age.
This plant ranges from Canada to Mexico.
Prices ranged from 5 dollars to 10 dollars.
3。 all the way
自始至终，一直，一路上，从远道而来
All the way back, they talked about the persons and things that they could remember at school.
It is very kind of you to come all the way to see me.
4。 whatever(=anything that)作为连接代词引导名词性从句，“无论什么，任何东西，一切事物” ，语气比what强烈。
Whatever is left over is yours.
You must do whatever is best for you.
Whatever book you want to read will be sent to your office.
She is against whatever I am fond of.
5。 available adj. 可用的，可获得的，有效的，适宜的
sth.(受体)+ be + available + to + sb.
(主体) 某物对某人来说是可得的
The information is available to anybody.
The ticket is available to you for 3 days.
（ 三天内有效）
sb.(主体) + be + available + for + sth.
(受体) 某人对…来说是合适的
He is not available for the job.
Are you available for a meeting tomorrow?
6. take advantage of 利用，很好地利用；投机取巧
Peter took advantage of his visit to Paris to improve his French.
I should like to take advantage of this opportunity to express my thanks for your help.
7。动词不定式短语也可作结果状语，但只能表示消极的结果，通常用only来加强不愉快结果的语义：
They lifted a rock only to drop it on their own feet.

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