[单项选择]

Passage One
Global warming may or may not be the great environmental crisis of the 21st century, but — regardless of whether it is or isn’t — we won’t do much about it. We will argue over it and may even, as a nation, make some fairly solemn-sounding commitments to avoid it. But the more dramatic and meaningful these commitments seem, the less likely they are to be observed.
Al Gore calls global warming an "inconvenient truth," as if merely recognizing it could put us on a path to a solution. But the real truth is that we don’t know enough to relieve global warming, and — without major technological breakthroughs — we can’t do much about it.
From 2003 to 2050, the world’s population is projected to grow from 6.4 billon to 9.1 billion, a 42% increase. If energy use per person and technology remain the same, total energy use and greenhouse gas emissions (mainly, CO2 )will be 420/0 higher in 2050
A. economic growth
B. wasteful use of energy
C. the widening gap between the rich and poor
D. the rapid advances of science and technology

[单项选择]

Passage One
Global warming may or may not be the great environmental crisis of the 21st century, but — regardless of whether it is or isn’t — we won’t do much about it. We will argue over it and may even, as a nation, make some fairly solemn-sounding commitments to avoid it. But the more dramatic and meaningful these commitments seem, the less likely they are to be observed.
Al Gore calls global warming an "inconvenient truth," as if merely recognizing it could put us on a path to a solution. But the real truth is that we don’t know enough to relieve global warming, and — without major technological breakthroughs — we can’t do much about it.
From 2003 to 2050, the world’s population is projected to grow from 6.4 billon to 9.1 billion, a 42% increase. If energy use per person and technology remain the same, total energy use and greenhouse gas emissions (mainly, CO2 )will be 420/0 higher in 2050
A. It may not prove an environmental crisis at all.
B. It is an issue requiring worldwide commitments.
C. Serious steps have been taken to avoid or stop it.
D. Very little will be done to bring it under control.

[单项选择]Global warming may or may not be the great environmental crisis of the 21st century, but— regardless of whether it is or isn’t — we won’t do much about it. We will argue over it and may even, as a nation, make some fairly solemn-sounding commitments to avoid it. But the more dramatic and meaningful these commitments seem, the less likely they are to be observed.
A1 Gore calls global warming an "inconvenient truth," as if merely recognizing it could put us on a path to a solution. But the real truth is that we don’t know enough to relieve global warming, and — without major technological breakthroughs — we can’t do much about it.
From 2003 to 2050, the world’s population is projected to grow from 6.4 billion to 9.1 billion, a 42% increase. If energy use per person and technology remain the same, total energy use and greenhouse gas emissions(mainly, CO₂) will be 42% higher in 2050. But that’s too low, because societies that grow richer use more energy. We need econom
A. It may not prove an environmental crisis at all.
B. It is an issue requiring worldwide commitments.
C. Serious steps have been taken to avoid or stop it.
D. Very little will be done to bring it under control.

[单项选择]

Global warming was once an uncommon term used by a few scientists who were growing concerned over the effects of decades of pollution on long-term weather patterns. Today, the idea of global warming is well known, if not well understood. It is not unusual to hear someone complaining about a hot day or a freak storm and remark, "It’s global warming. "
Global warming is a significant increase in the Earth’s climatic temperature over a relatively short period of time as a result of the activities of humans.
In specific terms, an increase of l or more degrees Celsius in a period of one hundred to two hundred years would be considered global warming. Over the course of a single century, an increase of even 0.4 degrees Celsius would be significant.
Most scientists recognize that global warming does seem to be happening, but a few don’t believe that it is anything to be
A. It is a common belief in the scientific sphere that global warming will bring about significant result on the planet earth.
B. It is research findings that will contribute mostly to the ease of global warming.
C. One of the solutions for reducing global warming is to adopt the landfill for garbage disposal.
D. The citizenry should cooperate and coordinate well so as to fight against global warmin

[填空题]Global warming may cause some natural disasters such as wild fire and drought to become more severe.

[单项选择]
Passage One