Feeling blue about world ? “Cheer up.” Says science writer Matt Ridley.”The world has never been a better place to live in, and it will keep on getting better both for humans and got nature.”

Ridley calls himself a tat ional optimist—tactical .because he’s carefully weighed the evidence optimistic .because that   offence shows human progress to be both unavoidable and good .And this is what he’s set out to prone from unique point of view in his most recent book. The Rant anal Opting  .He views mankind as grand enterprise that .on the whole .has done little but progress for 100.000 years. He backed his finding with hard gathered though years of research.

Here’s how he explains his views.

Shopping fuels invention

It is reported that there are more than ten billion different producers for sale in London alone. Even allowing for the many people who still live in poverty .our own generation has access to more nutritious food .more convenient transport .bigger houses, better ears .and of course, more pounds and dollars than any who lived before us .This will continue as long as we there things to make other things, This more we specialize and exchange, the better off we’ll be.

2) Brilliant advances

 One reason we are richer, healthier, taller, cleverer, longer-lived and freer than ener before is that the four most basie human needs -food, clothing, fuel and shelter- have grown a lot cheaper. Take one example. In 1800 a candle providing one hour’s light cost six hours’ work. In the 1880s the same light from an oil lamp took 15 minutes’ work to pay for. In 1950 it was eight seconds. Today it’s half second.

3) Let’s not kill ourselves for climate change

Mitigating(减轻) climate change could prove just as damaging to human welface as climate change itself. A child that dies from indoor smoke in a village, where the use of fassil-fuel(化石燃料) electrieity is forhidden by well meaming members of green polucal movements trying to save the world, is just as great a tragedy as a child that mes in a flood caused by climate change. If chmaic change proves to be xxxx, but cutting carbon canses realparn, we may well find that we have stopped a nose bleed by putting a tournquet(止血带) around our necks.

1.What is the theme of Ridley’s most recent book?

A. Weakness of human nature.

B. Concern about climate change.

C. Importance of practical thinking.

D. Optimism about human progress.

2.How does Ridley look at shopping?

   A. It encourages the creation of things.

   B. It results in shortage of goods.

   C. It demands more fossil fuels.

   D. It causes a poverry problem.

3.The candle and lamp example is used to show that     .

   A. oil lamps give off more light than candles

   B. shortening working time brings about a happier life.

   C. advanced technology helps to produce better candles.

   D. increased production rate leads to lower cost of goods.

4.What does the last sentence of the passage imply?

   A. Cutting carbon is necessary in spite of the huge cost.

   B. Overreaction to cliamate change may be dangerous.

   C. People’s health is closely related to climate change.

   D. Careless medical treatment may cause great pain.

 To extinguish （熄灭）different kinds of fires, several types of fire extinguishers have been invented. They must be ready for immediate use when fire breaks out. Most portable （手提式的）kinds operate for less than a minute, so they are useful only on small fires. The law requires ships, trains, buses and planes to carry extinguishers.

 Since fuel（燃料）, oxygen and heat must be present in order for fire to exist, one or more of these things must be removed or reduced to extinguish a fire. If the heat is reduced by cooling the material below a certain temperature, the fire goes out. The cooling method is the most common way to put out a fire. Water is the best cooling material because it is low in cost and easy to get.

 Another method of extinguishing fire is by cutting off the oxygen. This is usually done by covering the fire with sand, steam or some other things. A blanket may be used do cover a small fire.

 A third method is called separation, which includes removing the fuel, or material easy to burn, from a fire, so that it can find no fuel.

 The method that is used to put out a fire depends on the type of fire. Fires have been grouped in three classes（级别）. Fires in wood, paper, cloth and the like are called Class A fires. These materials usually help keep the fire on. Such fires can be stopped most readily by cooling with water.

If a fire breaks out on a bus, which of the following should be ready there for you to use?

 A. Sand                 B. An extinguisher      C. A blanket.           D. Water

To cover a small piece of burning wood with a basin in order to stop the fire is an example of _______.

 A. separating the fire                             B. cutting off the oxygen

 C. removing the fuel                               D. reducing the heat

In choosing how to put out a fire, we should first be clear about_______.

 A. when it breaks out                 B. how it comes about

 C. what kind it is                      D. where it takes place

What would the author probably discuss in the paragraph that follows?

 A. Another class of fires                       B. Another type of extinguishers

 C. How fires break out.                        D. How fires can be prevented.

For years, the automobile industry has been testing vehicles that use hydrogen as fuel. Now, people across the United States have had a chance to see and even drive cars that get power from hydrogen fuel cells (燃料电池).
But the hydrogen fuel cell is not a new idea. The fuel cell was first invented by Sir William Grove of Britain in 1839. Since then, many different designs, have been invented. There is one place where fuel cells are a proven technology: in space. The American space agency used fuel cells in its Apollo spaceships in the twentieth century.
The most useful fuel cell for transportation purposes is the Polymer Electrolyte Membrane, or P.E.M. fuel cell. It is simple and can operate at temperatures of sixty to eighty degrees Celsius. That is much lower than other fuel cell designs. A P.E.M. fuel cell has two sides divided by a thin membrane (膜). Hydrogen gas is forced through one side where it comes in contact with a reactive material containing the metal platinum(铂). The membrane separates the electrons(电子) from the protons(质子) in the hydrogen atoms. The protons pass through it to the other side of the fuel cell. But the electrons are captured to do work; like powering a motor. Oxygen from the air is forced into the other side of the fuel cell. There, the gas meets the protons that have passed through the membrane. They combine to form water and heat. A single fuel cell does not produce a lot of electricity. But when many fuel cells are combined, they can produce enough electricity to power a vehicle. The product of the chemical reaction that powers fuel cells is water. This makes fuel cells a very clean technology.
Hydrogen fuel cell cars have been slow to develop because of many technical problems that have to be solved. For example, it is unclear how long the membranes in P.E.M. fuel cells will last. Also, fuel cells need water for their chemical reactions. They must be designed to start easily at low temperatures and in dry climates. And smaller, less costly fuel cells must be designed before they can truly take the place of gasoline engines. Now more models of fuel cell vehicles are being tested than ever before. The threat of climate change and the high cost of oil have increased interest in these vehicles that do not cause pollution.

Why 2012 was the best year ever

It may not feel like it, but 2012 has been the greatest year in the history of the world. Never has there been less hunger, less disease or more prosperity (繁荣). The West remains in the economic depression, but most developing countries are charging ahead, and people are being lifted out of poverty at the fastest rate ever recorded. The number of deaths caused by war and natural disasters is also mercifully low. We are living in a golden age.

Take global poverty as an example. In 1990, the UN announced Millennium Development Goals, the first of which was to halve the number of people in extreme poverty by 2015. It turned out this year that the target was met in 2008.

The doom-mongers (末世论者) will tell you that we cannot maintain worldwide economic growth without ruining our environment. But while the rich world’s economies grew by 6 per cent over the last seven years, fossil fuel (矿物燃料) consumption in those countries fell by 4 per cent. This remarkable achievement has nothing to do with green taxes or wind-farms. It is down to consumer demand for more efficient cars.

Advances in medicine and technology mean that people across the world are living longer. The average life span in Africa reached 55 this year. Ten years ago, it was 50. The number of people dying from Aids has been in decline for the last eight years. Deaths from malaria have fallen by a fifth in half a decade.

War has historically been human’s biggest killer. But in most of the world today, a generation is growing up that knows little of it. The Peace Research Institute in Oslo says there have been fewer war deaths in the last decade than any time in the last century.

Fifty years ago, the world was breathing a sigh of relief after the Cuban missile crisis. Young couples would discuss whether it was responsible to have children when the future seemed so dark. But now, it’s worth remembering that, in spite of all our problems, the forces of peace, progress and prosperity are prevailing (占优势).

1.What has caused the decrease in the fossil fuel consumption?

A. People have to pay heavier taxes on fossil fuel.

B. There are more and more renewable resources now.

C. There is a sharp decline in the number of cars.

D. People are purchasing more energy-saving cars.

2. Which of the following statements is TRUE?

A. People don’t suffer from malaria any more.

B. There were many more war deaths in the last century.

C. The young generation shows little interest in war.

D. The number of Aids-affected people is declining.

3. Which one does NOT help prove that 2012 was the best year ever?

A. Fewer natural disasters occurred.                         B. Global poverty relieved.

C. Cuban missile crisis ended.                                      D. Technology and medicine advanced.

4. The author tries to inform people that _______.

A. 2012 witnessed more advances in developed countries

B. 2012 brought us less starvation and more prosperity

C. 2012 saw economic growth as well as environmental destruction

D. 2012 provided us with a peaceful world free from conflicts

Feeling blue about world ? “Cheer up.” Says science writer Matt Ridley.”The world has never been a better place to live in, and it will keep on getting better both for humans and got nature.”
Ridley calls himself a tat ional optimist—tactical .because he’s carefully weighed the evidence optimistic .because that   offence shows human progress to be both unavoidable and good .And this is what he’s set out to prone from unique point of view in his most recent book. The Rant anal Opting  .He views mankind as grand enterprise that .on the whole .has done little but progress for 100.000 years. He backed his finding with hard gathered though years of research.
Here’s how he explains his views.
Shopping fuels invention
It is reported that there are more than ten billion different producers for sale in London alone. Even allowing for the many people who still live in poverty .our own generation has access to more nutritious food .more convenient transport .bigger houses, better ears .and of course, more pounds and dollars than any who lived before us .This will continue as long as we there things to make other things, This more we specialize and exchange, the better off we’ll be.
2) Brilliant advances
One reason we are richer, healthier, taller, cleverer, longer-lived and freer than ener before is that the four most basie human needs -food, clothing, fuel and shelter- have grown a lot cheaper. Take one example. In 1800 a candle providing one hour’s light cost six hours’ work. In the 1880s the same light from an oil lamp took 15 minutes’ work to pay for. In 1950 it was eight seconds. Today it’s half second.
3) Let’s not kill ourselves for climate change
Mitigating(减轻) climate change could prove just as damaging to human welface as climate change itself. A child that dies from indoor smoke in a village, where the use of fassil-fuel(化石燃料) electrieity is forhidden by well meaming members of green polucal movements trying to save the world, is just as great a tragedy as a child that mes in a flood caused by climate change. If chmaic change proves to be xxxx, but cutting carbon canses realparn, we may well find that we have stopped a nose bleed by putting a tournquet(止血带) around our necks.
【小题1】What is the theme of Ridley’s most recent book?