The human body consists of organs, each ____a...

The human body consists of organs, each ____a definite job to do.

A. have　　　　　　 B. to have　　　　　 C. has　　　　　　　　 D. having

高三英语单项填空困难题查看答案及解析

The human body consists of organs, each ____a definite job to do.

A. have　　　　 B. to have　　　　 C. has　　　　　　 D. having

高三英语单项填空中等难度题查看答案及解析

The human body consists of organs, each ____a definite job to do.

高三英语单项填空极难题查看答案及解析

The human body is designed to move. But modern lifestyles and office jobs rarely give us the chance to move around. As we know. we're while we're eating; we sit in the car and we sit while we watch TV. And many of us sit for many hours at work.

New research shows that sitting less than three hours a day might extend your life by two years. Peter Katzmarzyk，a scientist at the University of Louisiana in the southern United States，says that sitting is ubiquitous in our lives，meaning it is something we do all the time，everywhere.

However，Mr. Katzmarzyk says that does not mean you can sit for the rest of your waking hours. He also says you may exercise often，“We can't throw away physical activity. It's extremely important. We have 60 years of research showing us that. ”

Mr. Katzmarzyk and his coi leagues are part of a new generation of researchers studying how sitting all day affects length of life. “Studies that have assessed the relationship between sitting and mortality(死亡率)or television viewing and mortality are very rare. There's only been a few of them，actually five or six now，in the last four or five years. ”They found that cutting television time to less than two hours a day could add one-point four years to life.

Luckily，change is already coming to some offices，especially in the design of desks. A “standing desk”lets people stand while they work. Another new design is called the “treadmill desk. ” A treadmill is an exercise machine that lets you walk in one place. Even some U. S. schools are beginning to experiment with desks that are part bicycle to keep children moving. That's one of the strategies that many companies are using now.

Mr. Katzmarzyk also says studying this problem has inspired his team to make a few changes in their own lives.

1.Which view agrees with the opinion of Mr. Katzmarzyk?

A． Sitting too long may help increase one's life.

B． Exercise is important and don't sit too long.

C． Watching TV is bad，but can broaden one's horizons.

D． Stopping watching TV is a necessary but hard task.

2.What does Mr. Katzmarzyk think of his study in Paragraph 4?

A． It's a ly new area of study.

B． It's a hot subject studied by experts.

C． It's a study that begins too late.

D． It's not ignored by many experts.

3.Why are the desks of all kinds designed for those who sit more?

A． To give them more comfort.

B． To improve their work efficiency.

C． To offer them the chance to exercise.

D． To seek pleasure while working.

高三英语阅读理解中等难度题查看答案及解析

The skin is the largest organ of your body ______of three layers; _______are essential to _____your body against diseases, poisons and the sun’s harmful rays or radiations.

高三英语单项填空中等难度题查看答案及解析

In the decade（十年）of the 1970s, the United Nations organized several important meetings on the human environment to study a very serious problem．We humans are destroying the world around us．We must learn to protect them, or life will be very bad for our children and grandchildren．

There are several major aspects to this problem．

Population

Most problems of the environment come from population growth．In 1700 there were 635 million people in the world; in 1900 there were 1．6 billion; in 1950, 2．5 billion; and in 1980, 4．4 billion．In the year 2010 there will be 7．3 billion．More people need more water, more food, more wood, and more petroleum．

Distribution

Scientists say there is enough water in the world for everyone, but some countries have a lot of water and some have only a little．Some areas get all rain during one season．The rest of the year is dry．

Petroleum

We are using up the world’s petroleum．We use it in our cars and to heat our buildings in winter．Farmers use petrochemicals to make the soil rich．They use them to kill insects on those plants．These chemicals go into rivers and lakes and kill the fish there．Thousands of people also die from these chemicals every year．Chemicals also go into the air and pollute it．Winds carry this polluted air to other countries and other countries．

Poverty

Poor farmers use the same land over and over．The land needs a rest so it will be better next year．However, the farmer must have food every year．Poor people cut down trees for firewood．In some areas when the trees are gone, the land becomes desert．However, people need wood to cook their food now．Poor people cannot save the environment for the future．

We now have the information and the ability to solve these huge problems．However, this is not a problem for one country or one area of the world．It is a problem for all humans．The people and the nation of the world must work together to protect the world’s resources．No one controls the future, but we all help make it．

1.According to the passage, our world is being destroyed mainly because ______．

A．pollution is getting worse and worse

B．population are increasing greatly

C．we humans are using up all of our natural resources

D．distribution is not reasonable．

2.Good distribution means ________．

A．having things in the right place at the right time．

B．cutting down forests and selling them to other countries．

C．building water systems to carry water to farms．

D．conserving our natural resources

3.The best title of the passage should be ________

A．The World Being Destroyed

B．A Serious Problem We Should Pay Attention to

C．Aspects That Destroyed Our World

D．Conserving the World’s Natural Resources

高三英语阅读理解中等难度题查看答案及解析

We all know what a brain is.　 A doctor will tell you that the brain is the organ of the body in the head. It controls our body's functions, movements, emotions and thoughts. But a brain can mean so much more.

A brain can also simply be a smart person,　 If a person is called brainy, she is smartand intelligent. If a family has many children but one of them is super smart, you could say, "She's the brains in the family. " And if you are the brains behind something you .are responsible for developing or organizing something.　 For example, Bill Gates is the brains behind Microsoft Brain trust is a group of experts who give advice.　 Word experts say the phrase "brain trust" became popular when Franklin D. Roosevelt first ran for president in 1932, Several professors gave him advice on social and political issues facing the U. S.

These professors were called his "brain trust. "These ways we use the word "brain" all make sense. But other ways we use the word are not so easy to understand.　 For example, to understand the next brain expression, you first need to know the word“drain." As a verb to drain means to,remove something by letting it flow away. So a brain drain may sound like a disease where the brain flows out the ears.　 But, brain drain is when a country's most educated people leave their countries to live in another.　 The brains are,sort of,draining out of the country.

However,if people are responsible for a great idea,you could say they brainstormed it. Here,brainstorm is not an act of weather.　 It is a process of thinking creatively about a complex topic. For example,　 business leaders may use brainstorming to create new products, and government leaders may brainstorm to solve problems. If people are brainwashed, it does not mean their brains are nice and clean. To brainwash means to make someone accept new beliefs by using repeated pressure in a forceful or tricky way. Keep in mind that brainwash is never used in a positive way.

1.According to the text, if you're the CEO of Bai Du you can be called

A. the brains behind Bai Du

B. Bai Du's brain trust

C. the brain drain of Bai Du

D. the organ of Bai Du

2.Why did Roosevelt successfully win the election?

A. Because he was smart at giving advice.

B. Because word experts were popular.

C. Because he got his brain trust.

D. Because he was the brains behind America.

3.Which of the following expression is always used in a negative way?

A. Brain trust　　 　　 　 B. Brain　 drain

C. Brainstorm　　　　　　　 D. Brainwash

高三英语阅读理解中等难度题查看答案及解析

C

We all know what a brain is．A doctor will tell you that the brain is the organ of the body in the head．It controls our body's functions，movements，emotions and thoughts．But a brain can mean so much more．

A brain can also simply be a smart person，If a person is called brainy，she is smart and intelligent．If a family has many children but one of them is super smart，you could say，“She's the brains in the family．”And if you are the brains behind something you．are responsible for developing or organizing something．For example，Bill Gates is the brains behind Microsoft Brain trust is a group of experts who give advice．Word experts say the phrase“brain trust”became popular when Franklin D．Roosevelt first ran for president in 1932，Several professors gave him advice on social and political issues facing the U．S．

These professors were called his“brain trust．”

These ways we use the word“brain”all make sense．But other ways we use the word are not so easy to understand．For example，to understand the next brain expression，you first need to know the word“drain”．As a verb to drain means to，remove something by letting it flow away．So a brain drain may sound like a disease where the brain flows out the ears．But，brain drain is when a country's most educated people leave their countries to live in another．The brains are，sort of，draining out of the country．

However，if people are responsible for a great idea，you could say they brainstormed it．Here，brainstorm is not an act of weather．It is a process of thinking creatively about a complex topic．For example，business leaders may use brainstorming to create new products，and government leaders may brainstorm to solve problems．

If people are brainwashed，it does not mean their brains are nice and clean．To brainwash means to make someone accept new beliefs by using repeated pressure in a forceful or tricky way．Keep in mind that brainwash is never used in a positive way．

1.According to the text，if you're the CEO of　 Bai Du you can be called

A．the brains behind Bai Du

B．Bai Du's brain trust

C．the brain drain of Bai Du

D．the organ of Bai Du

2.Why did Roosevelt successfully win the election?

A．Because he was smart at giving advice．

B．Because word experts were popular．

C．Because he got his brain trust．

D．Because he was the brains behind America．

3.Which of the following expression is always used in a negative way?

A．Brain trust

B．Brain drain

C．Brainstorm

D．Brainwash

高三英语阅读理解中等难度题查看答案及解析

We all know what a brain is. A doctor will tell you that the brain is the organ of the body in the head. It controls our body’s functions, movements, emotions and thoughts. But a brain can mean so much more.

A brain can also simply be a smart person. If a person is called brainy, she is smart and intelligent. If a family has many children but one of them is super smart, you could say “She’s the brains in the family.” And if you are the brains behind something, you are responsible for developing or organizing it. For example, Bill Gates is the brains behind Microsoft.

Brain trust is a group of experts who give advice. Word experts say the phrase “brain trust” became popular when Franklin D. Roosevelt first ran for president in 1932. Several professors gave him advice on social and political issues facing the U.S. These professors were called his “brain trust.”

These ways we use the word “brain” all make sense. But other ways we use the word are not so easy to understand. For example, to understand the next brain expression, you first need to know the word “drain”. As a verb, to drain means to remove something by letting it flow away. So a brain drain may sound like a disease where the brain flows out the ears. But, a brain drain is when a country’s most educated people leave their countries to live in another. The brains are, sort of, draining out of the country.

However, if people are responsible for a great idea, you could say they brainstormed it. Here, brainstorm is not an act of weather. It is a process of thinking creatively about a complex topic. For example, business leaders may use brainstorming to create new products, and government leaders may brainstorm to solve problems.

If people are brainwashed, it does not mean their brains are nice and clean. To brainwash means to make someone accept new beliefs by using repeated pressure in a forceful or tricky way. Keep in mind that brainwash is never used in a positive way.

1.Why did Roosevelt successfully win the election according to the passage?

A．Because word experts were popular.

B．Because he got his brain trust.

C．Because he was smart at giving advice.

D．Because he was the brains behind Americans.

2.According to the text, if you’re the CEO of Bai Du you can be called ________.

A．the organ of Bai Du

B．the brain drain of Bai Du

C．the brains behind Bai Du

D．Bai Du’s brain trust

3.Which of the following expressions is always used in a negative way?

A．Brainstorm.        B．Brain trust.        C．Brainwash.        D．Brain drain.

4.What’s the main idea of this article？

A．The origin of the word “brain”.

B．The word “brain” and its stories.

C．What is the brain.

D．The difference between “brain trust” and “brainwash”.

高三英语阅读理解简单题查看答案及解析

B

We all know what a brain is．A doctor will tell you that the brain is the organ of the body in the head．It controls our body's functions, movements, emotions and thoughts．But a brain can mean so much more．

A brain can also simply be a smart person,　 If a person is called brainy, she is smart and intelligent．If a family has many children but one of them is super smart, you could say, "She's the brains in the family．" And if you are the brains behind something you are responsible for developing or organizing something．For example, Bill Gates is the

brains behind Microsoft

Brain trust is a group of experts who give advice．Word experts say the phrase

"brain trust" became popular when Franklin D．Roosevelt first ran for president in

1932,　 Several professors gave him advice on social and political issues facing the U．S．

These professors were called his "brain trust．"

These ways we use the word "brain" all make sense．But other ways we use the

word are not so easy to understand．For example, to understand the next brain

expression, you first need to know the word “drain．" As a verb to drain means to,

remove something by letting it flow away．So a brain drain may sound like a disease

where the brain flows out the ears．But, brain drain is when a country's most educated　 people leave their countries to live in another．The brains are, sort of, draining out of the country．

However, if people are responsible for a great idea, you could say they brainstormed it．Here, brainstorm is not an act of weather．It is a process of thinking creatively about a complex topic．For example, business leaders may use brainstorming to create new

products, and government leaders may brainstorm to solve problems．

If people are brainwashed, it does not mean their brains are nice and clean．To brainwash means to make someone accept new beliefs by using repeated pressure in a forceful or tricky way．Keep in mind that brainwash is never used in a positive way．

1.According to the text, if you're the CEO of Bai Du you can be called

A．the brains behind Bai Du

B．Bai Du's brain trust

C．the brain drain of Bai Du

D．the organ of Bai Du

2.Why did Roosevelt successfully win the election?

A．Because he was smart at giving advice．

B．Because word experts were popular．

C．Because he got his brain trust．

D．Because he was the brains behind America．

3.Which of the following expression is always used in a negative way?

A．Brain trust

B．Brain　 drain

C．Brainstorm

D．Brainwash

高三英语阅读理解中等难度题查看答案及解析