Where to hold the 2012 Olympic Games was a subject the Olympic Committee argued for a long time, and finally they voted for London. A．of which B．with which C．about which D．into which 题目和参考答案——青夏教育精英家教网—

题目内容

Where to hold the 2012 Olympic Games was a subject ______ the Olympic Committee argued for a long time, and finally they voted for London.

A．of which

B．with which

C．about which

D．into which

【答案】

【解析】略

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We've used the wind as an energy source for a long time. The Babylonians and Chinese were using wind power to pump water for irrigating crops 4,000 years ago, and sailing boats were around long before that. Wind power was used in the Middle Ages, in Europe, to grind(磨碎) corn, which is where the term "windmill" comes from.

We can use the energy in the wind by building a tall tower, with a large propellor on the top. The wind blows the propellor round, which turns a generator to produce electricity. We tend to build many of these towers together, to make a "wind farm" and produce more electricity. The more towers, the more wind, and the larger the propellors, the more electricity we can make. It's only worth building wind farms in places that have strong, steady winds, although boats and caravans（大篷车）increasingly have small wind generators to help keep their batteries charged.

The best places for wind farms are in coastal areas, at the tops of rounded hills, open plains and gaps in mountains—places where the wind is strong and reliable. Some are offshore. To be worthwhile, you need an average wind speed of around 25 km/h. Most wind farms in the UK are in Cornwall or Wales. Isolated places such as farms may have their own wind generators. In California, several “wind farms” supply electricity to homes around Los Angeles.

The propellors are large, to obtain energy from the largest possible volume of air. The blades can be angled to cope with varying wind speeds. Some designs use vertical turbines(垂直涡轮机), which don't need to be turned to face the wind. The towers are tall, to get the propellors as high as possible, up to where the wind is stronger. This means that the land beneath can still be used for farming.

The first paragraph aims to introduce to us _______.

A. the function of wind power B. the source of wind power

C. the nations using wind power D. the history of using wind power

How does a wind power work?

A. The generator turns the propellor blades and produce electricity.

B. The tall tower helps turn the energy in the air into electricity.

C. Warm air rises and makes the propellor move round.

D. The propellor blown round by wind turns the generator to produce electricity.

The best places for building the wind farm are places where _______.

A. boats and caravans can often be seen B. isolated farms don’t have enough electricity

C. there are less human activities D. the wind is strong and reliable

We can infer from the passage that _______.

A. wind farms will not take up too much farming land

B. wind farms need no fuel because wind is free

C. the blades can be angled to turn to face the wind wherever it comes from

D. the higher and larger the towers are, the stronger the wind is

What can be a suitable title for the passage?

A. Where to build a wind farm. B. ABC of the using of wind energy.

C. How to make best use of wind. D. Wind energy is the best energy.

We’ve used the wind as an energy source for a long time．
The Babylonians and Chinese were using wind power to
pump water for irrigating crops 4,000 years ago, and sailing
boats were around long before that．Wind power was used in the
Middle Ages, in Europe, to grind（磨碎） corn, which is where
the term “windmill” comes from．
We can use the energy in the wind by building a tall tower, with a large propellor（螺旋桨） on the top．The wind blows the propellor round, which turns a generator to produce electricity．We tend to build many of these towers together, to make a “wind farm” and produce more electricity．The more towers, the more wind, and the larger the propellors, the more electricity we can make．It's only worth building wind farms in places that have strong, steady winds, although boats and caravans（大篷车）increasingly have small wind generators to help keep their batteries charged．
The best places for wind farms are in coastal areas, at the tops of rounded hills, open plains and gaps in mountains — places where the wind is strong and reliable．Some are offshore．To be worthwhile, you need an average wind speed of around 25 km/h．Most wind farms in the UK are in Cornwall or Wales．Isolated places such as farms may have their own wind generators．In California, several “wind farms” supply electricity to homes around Los Angeles．
The propellors are large, to obtain energy from the largest possible volume of air．The blades can be angled to cope with varying wind speeds．Some designs use vertical turbines （垂直涡轮机）, which don’t need to be turned to face the wind．The towers are tall, to get the propellors as high as possible, up to where the wind is stronger．This means that the land beneath can still be used for farming．
1．The first paragraph aims to introduce to us _______．
A．the function of wind power           B．the source of wind power
C．the nations using wind power        D．the history of using wind power
2．The best places for building the wind farm are places where _______．
A．boats and caravans can often be seen     B．isolated farms don’t have enough electricity
C．there are less human activities         D．the wind is strong and reliable
3．We can infer from the passage that _______．
A．wind farms will not take up too much farming land
B．wind farms need no fuel because wind is free
C．the blades can be angled to turn to face the wind wherever it comes from
D．the higher and larger the towers are, the stronger the wind is
4．What can be a suitable title for the passage?
A．Where to build a wind farm．     B．ABC of the using of wind energy．
C．How to make best use of wind．    D．Wind energy is the best energy．

We can use the energy in the wind by building a tall tower, with a large propellor on the top. The wind blows the propellor round, which turns a generator to produce electricity. We tend to build many of these towers together, to make a "wind farm" and produce more electricity. The more towers, the more wind, and the larger the propellors, the more electricity we can make. It's only worth building wind farms in places that have strong, steady winds, although boats and caravans（大篷车）increasingly have small wind generators to help keep their batteries charged.

1. The first paragraph aims to introduce to us _______.

A. the function of wind power B. the source of wind power

C. the nations using wind power D. the history of using wind power

2.How does a wind power work?

A. The generator turns the propellor blades and produce electricity.

B. The tall tower helps turn the energy in the air into electricity.

C. Warm air rises and makes the propellor move round.

D. The propellor blown round by wind turns the generator to produce electricity.

3. The best places for building the wind farm are places where _______.

A. boats and caravans can often be seen B. isolated farms don’t have enough electricity

C. there are less human activities D. the wind is strong and reliable

4. We can infer from the passage that _______.

A. wind farms will not take up too much farming land

B. wind farms need no fuel because wind is free

C. the blades can be angled to turn to face the wind wherever it comes from

D. the higher and larger the towers are, the stronger the wind is

5. What can be a suitable title for the passage?

A. Where to build a wind farm. B. ABC of the using of wind energy.

C. How to make best use of wind. D. Wind energy is the best energy.

We’ve used the wind as an energy source for a long time. The Babylonians and Chinese were using wind power to pump water for irrigating crops 4,000 years ago, and sailing boats were around long before that. Wind power was used in the Middle Ages, in Europe, to grind(磨碎) corn, which is where the term “windmill” comes from.

We can use the energy in the wind by building a tall tower, with a large propellor（螺旋桨） on the top. The wind blows the propellor round, which turns a generator to produce electricity. We tend to build many of these towers together, to make a “wind farm” and produce more electricity. The more towers, the more wind, and the larger the propellors, the more electricity we can make. It’s only worth building wind farms in places that have strong, steady winds, although boats and caravans（大篷车）increasingly have small wind generators to help keep their batteries charged.

The best places for wind farms are in coastal areas, at the tops of rounded hills, open plains and gaps in mountains — places where the wind is strong and reliable. Some are offshore. To be worthwhile, you need an average wind speed of around 25 km/h. Most wind farms in the UK are in Cornwall or Wales. Isolated places such as farms may have their own wind generators. In California, several “wind farms” supply electricity to homes around Los Angeles.

The propellors are large, to obtain energy from the largest possible volume of air. The blades can be angled to cope with varying wind speeds. Some designs use vertical turbines (垂直涡轮机), which don’t need to be turned to face the wind. The towers are tall, to get the propellors as high as possible, up to where the wind is stronger. This means that the land beneath can still be used for farming.

1.The first paragraph aims to introduce to us _______.

A. the function of wind power B. the source of wind power

C. the nations using wind power D. the history of using wind power

2.The best places for building the wind farm are places where _______.

A. boats and caravans can often be seen B. isolated farms don’t have enough electricity

C. there are less human activities D. the wind is strong and reliable

3.We can infer from the passage that _______.

A. wind farms will not take up too much farming land

B. wind farms need no fuel because wind is free

C. the blades can be angled to turn to face the wind wherever it comes from

D. the higher and larger the towers are, the stronger the wind is

4.What can be a suitable title for the passage?

A. Where to build a wind farm. B. ABC of the using of wind energy.

C. How to make best use of wind. D. Wind energy is the best energy.

5.The underlined sentence in the last paragraph means______________________.

A. The blades can increase wind speeds

B. The blades can decrease the wind speeds

C. The speed of blades can be changed.

D. The blades can be adjusted to face different wind speeds

根据所给汉语提示或首字母填写词的适当形式，完成下列句子

（共15小题；每空1分，满分15分）

1. The boss needed many employees, so he decided to h some.

2. The farmer had only twenty (牛) left after the serious snowstorm on the farm.

3. The editor said that the book would be improved by (插入) another chapter.

4. From 1842 to 1940 Angel Island was a famous immigration station where many

Chinese people a for right to live in USA.

5. I’m sorry to b you, but can you show me the way to the railway station?

6. Cloning is a way of making an e copy of another animal or plant.

7.When we describe something very light, we say "as light as a (羽毛)".

8. His opinion d entirely from mine, so I had to change mine.

9. In case of fire, please d 119.

10. The doctor felt the child’s f and found the fever was gone.

11. He kept ( 轻敲) his fingers on the table.

12. P experience is better than theoretical knowledge

13. He works in a small firm and lives on his wages（工资）. How can he makeaf ?

14. Could you lend me 20 yuan? I left my w at home.

15. The police worked out a plan to catch (小偷) in the whole city.

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