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The science of climate change is easy. We burn millions of tons of fossil fuels(矿物燃料) a year, sending millions of carbon dioxide into the atmosphere. The gas acts like the windows of a greenhouse, retaining heat that would otherwise radiate(散发)away. Result: The world is warmer—half a degree or so in the past 100 years.
Think it doesn’t matter Your grandchildren will disagree. In the near term, this warning contributes to accidental weather. More storms here; more drought (干旱) there. Over time, the disastrous consequences may include melted ice caps and higher sea levels. No more icebergs, No more Miami.
With 4 96 of the world population, the United States produces 22 % of all greenhouse gas. Clearly, we bear some responsibility. Which is why, combined with the threat to future Americans, the White House this week outlined a new plan to reduce greenhouse gas emissions(排放).
The plan is painfully modest. It delays hard limits for 10 years, hoping that tax incentives(激励措施)and pollution credits will spur(刺激)industries to act on their own. And the final goal--reduction to 1990 levels by about 2010—is lower than much desire.
What is the short-term consequence of the greenhouse effect
Shortterm:（）
The science of climate change is easy. We burn millions of tons of fossil fuels(矿物燃料) a year, sending millions of carbon dioxide into the atmosphere. The gas acts like the windows of a greenhouse, retaining heat that would otherwise radiate(散发)away. Result: The world is warmer—half a degree or so in the past 100 years.
Think it doesn’t matter Your grandchildren will disagree. In the near term, this warning contributes to accidental weather. More storms here; more drought (干旱) there. Over time, the disastrous consequences may include melted ice caps and higher sea levels. No more icebergs, No more Miami.
With 4 96 of the world population, the United States produces 22 % of all greenhouse gas. Clearly, we bear some responsibility. Which is why, combined with the threat to future Americans, the White House this week outlined a new plan to reduce greenhouse gas emissions(排放).
The plan is painfully modest. It delays hard limits for 10 years, hoping that tax incentives(激励措施)and pollution credits will spur(刺激)industries to act on their own. And the final goal--reduction to 1990 levels by about 2010—is lower than much desire.
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【单选题】下列选项中，关于城市分散发展理论陈述错误的是( )。
A.
城市分散发展理论的基础在于经济活动的聚集
B.
城市分散发展理论包括了田园城市、卫星城和新城的思想、有机疏散理论等
C.
城市分散发展理论是建立在通过小城市来分散大城市的基础之上的
D.
城市发展理论认为，卫星城是一个经济上、社会上、文化上具有现代城市性质的独立城市单位
【单选题】All over Europe, and in North America, there’re lakes and forests which are dead or (71) and the (72) is thought to be acid rain. What is acid rain Mr. Justin Cook, a scientist, explains: "All fossil ...
A.
All over Europe, and in North America, there’re lakes and forests which are dead or (71) and the (72) is thought to be acid rain. What is acid rain Mr. Justin Cook, a scientist, explains: "All fossil fuels, (矿物燃料)，that (73) oil, coal and gas, contain sulphur. When these are burnt, for example (74) motor vehicles, they form sulphuric acid (硫酸)This (75) UP into the air, and soon it falls back to (76) , into lakes and (77) trees in forests." This can cause many local problems. 78 a result, lakes become acidic, fish disappear and trees are killed. The pollution is carried great distances by the wind, so sulphuric acid (79) in Britain can travel as far as Scandinavia (斯堪的纳维亚). Czech is one of the countries with the most acid rains and large areas of (80) consist only (81) dead trees.
B.
Is there (82) that can be done about acid rain Mr. cook says: "The rain (83) of acid rain is (84) power stations to install filters that (85) the acid getting out into the air. Here in Britain, the only (86) that has been taken is that the chimneys are built (87) so that the pollution is more distributed." If the petrol used in motor vehicles (88) lead--free, then it Would be possible to filter exhaust fuses (废气) which are a (89) cause of pollution. But these filter mechanisms (机械装置)can not work (90) the leads is removed.
相关题目：
【单选题】下列选项中，关于城市分散发展理论陈述错误的是( )。
A.
城市分散发展理论的基础在于经济活动的聚集
B.
城市分散发展理论包括了田园城市、卫星城和新城的思想、有机疏散理论等
C.
城市分散发展理论是建立在通过小城市来分散大城市的基础之上的
D.
城市发展理论认为，卫星城是一个经济上、社会上、文化上具有现代城市性质的独立城市单位
【单选题】All over Europe, and in North America, there’re lakes and forests which are dead or (71) and the (72) is thought to be acid rain. What is acid rain Mr. Justin Cook, a scientist, explains: "All fossil ...
A.
All over Europe, and in North America, there’re lakes and forests which are dead or (71) and the (72) is thought to be acid rain. What is acid rain Mr. Justin Cook, a scientist, explains: "All fossil fuels, (矿物燃料)，that (73) oil, coal and gas, contain sulphur. When these are burnt, for example (74) motor vehicles, they form sulphuric acid (硫酸)This (75) UP into the air, and soon it falls back to (76) , into lakes and (77) trees in forests." This can cause many local problems. 78 a result, lakes become acidic, fish disappear and trees are killed. The pollution is carried great distances by the wind, so sulphuric acid (79) in Britain can travel as far as Scandinavia (斯堪的纳维亚). Czech is one of the countries with the most acid rains and large areas of (80) consist only (81) dead trees.
B.
Is there (82) that can be done about acid rain Mr. cook says: "The rain (83) of acid rain is (84) power stations to install filters that (85) the acid getting out into the air. Here in Britain, the only (86) that has been taken is that the chimneys are built (87) so that the pollution is more distributed." If the petrol used in motor vehicles (88) lead--free, then it Would be possible to filter exhaust fuses (废气) which are a (89) cause of pollution. But these filter mechanisms (机械装置)can not work (90) the leads is removed.
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