[单项选择] Power Struggle Arnold Schwarzenegger has a mission: he wants to terminate global warming. In June, the California governor called for the state to cut down drastically its greenhouse-gas emissions to 80% of 1990 levels in the next 45 years. "The debate is over," he said in a forthright speech in San Francisco. "We know the science. We see the threat. And we know the time for action is now." This was fighting talk, but if any advanced economy can pull off such drastic cuts in emissions, this high-technology Pacific Rim state and its 36 million residents probably can. Schwarzenegger has help. He gets support from a team of state energy-conservation experts who have been in the business for years. And first among them is Arthur Rosenfeld. More than three decades ago, Rosenfeld helped to trigger the state’’s successful fight to cut energy consumption; today he is one of the five members of California’’s Energy Commission. Rosenfeld spent
A. Y
B. N
C. NG

Suicide has been a cause of concern in most societies for a long time. The classical Greeks, for example, required people who wanted to kill themselves to get permission from the senate. While this law is not without humor by today’ s standards, it clearly shows an awareness of the problem in times gone by. In today’ s society, suicide is much more prevalent than we want to admit. Why do people try to take their own lives
The motives for suicide can be categorized into areas such as failure, wrath, the need for attention, stress, and so on. However, the qualities of a person who wants to take his own life change from person to person, making it difficult to depict (描写) the typical victim. To make the problem even more involved, people will often camouflage (掩盖) their true feelings, thus causing their friends to disregard problems that should be viewed as serious.
In the US, a network of centers has been created to attempt to prevent suicides. P
A. The classical Greeks did not know the existence of suicide.
B. Suicide has always been prevalent in all parts of the world.
C. In today' s society, there are quite a number of people who commit suicide.
D. Nowadays suicide is not as common as it was in the past.