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{{B}}A
Sunshade for the Planet{{/B}} Even with the best will in the world, reducing our carbon emissions is not going to prevent global warming. It has become clear that even if we take the most strong measures to control emissions, the uncertainties in our climate models still leave open the possibility of extreme warming and rises in sea level. At the same time, resistance by governments and special interest groups makes it quite possible that the actions suggested by climate scientists might not be implemented soon enough. Fortunately, if the worst comes to the worst, scientists still have a few tricks up their sleeves. For the most part they have strongly resisted discussing these options for fear of inviting a sense of complacency that might thwart efforts to tackle the root of the prob A. strong measures have been taken by the government to prevent global warming. B. to reduce carbon emissions is an impossible mission. C. despite the difficulty, scientists have some options to prevent global warming. D. actions suggested by scientists will never be realized. 更多"{{B}}第二篇{{/B}}"的相关试题: [单项选择]第二篇
Road Trip Vacations
It’s summer. In the United States, it’s the season of swimming pools, barbeques (户外烤肉), camping and road trips.
Road trip vacations where the car journey is part of the fun are especially popular with college students, who like to explore the country on wheels. These budget trips are ideal for students who often have plenty of free time but little money.
"Ever since I went to college, I’ve been traveling around a lot, exploring the country," said Austin Hawkins, a 19-year-old college student from New York. This summer, Hawkins and his friends have spent weekends traveling in New England.
The best part about car trips, said Hawkins, is that you can be spontaneous. "On a road trip, if you get interested in things you see along the way you can stop and explore."
Matt Roberts, a 20-year-old student from Ohio who drove to Montreal, Canada, agrees. "With road trips you don’t have to plan in advance, you
A. College students who like to travel on wheels. B. Teachers who have plenty of free time but little money. C. Volunteers who want to help rebuild New Orleans. D. Americans who have no cars. [单项选择]{{B}}第二篇{{/B}}
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