题目内容
（请给出正确答案）
A.simple sentence
B.compound sentence
C.complex sentence
D.compound-complex sentence
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更多“Fossil fuels are non-renewable…”相关的问题
What is the specific feature of fossil fuels？
A．They are colorless.
B．They are odorless.
C．They are rich in carbon.
D．They are easy to freeze.
A．they need little government financial support
B．they will increase energy security
C．they help lessen dependence on fossil fuels
D．they are environmentally friendly
A．they need little government financial support
B．they will increase energy security
C．they help lessen dependence on fossil fuels
D．they are environmentally friendly
According to the author, energy security can only be achieved by ______ .
A．using less oil in power generation
B．replacing fossil fuels with more nuclear power
C．seeking energy self sufficiency
D．expanding the sources of power supply
根据以下资料，回答11~15题。
The passage mainly focuses on discussing __________. A) a new source to replace carbon fuel B) the problems on using fossil fuels C) a new way to deal with carbon release D) the impact of CO2 on the atmosphere
Tiny drops of weak sulfuric and nitric acids are formed when .
A. sulfur oxides and nitrogen oxides react with each other
B. fossil fuels are burned in the open air
C. sulfur oxides and nitrogen oxides react with the water vapor and oxygen in the atmosphere
D. sulfur dioxide and nitrogen dioxide combine with each other in lakes or ponds
Text2
While fossil fuels- coal,oil,gas- still generate roughly 85 percent of the world's energy
supply,it'sclearer than ever that the future belongs to renewablesources such as wind and solar.The
move to renewables is picking up momentumaround the world: They now account for more than half ofnew power sourcesgoing on line.
Some growth stems from a commitment bygovernments and farsighted Businssesto
fundcleanerenergy sources.But increasinglythestoryisabout theplummeting prices of
renewables,especially wind and solar.The cost of solarpanels has dropped by 80 percent and the
cost of wind turbines by close taone-third in the past eight years.
In many parts of the world renewable energy is already a principal energy source.In
Scotland,for example, wind turbines provide enough electricity to power 95 percent of homes.
While the rest of the world takes the lead, notably China and Europe, the United States is also
seeing a remarkable shift. In March,for the first time,wind and solar power accounted for more
than 10 percent of the power generated in the US,reported the US Energy Information
Administration.
President Trump has underlined fossil fuels - especially coal - as thepathto economic growth.
In a recent speech in Iowa, he dismissed wind power as an unreliable energy source, But that
message did not play well with many in Iowa,where wind turbines dot the fields and provide 36
percent of the state's electricity generation - and where tech giants likeMicrosoftare being
attracted by the availability of clean energy to power their data centers.
The question “what happens when the wind doesn't blow or the sun doesn'tshine？" has provid
ed a quick put-down for skeptics. But a boost in the storage
apacity of batteries is making their ability to keep power flowing around the clock more likely.
The advance is driven in par by vehicle manufacturers, who are placing big
bets on battery-powered electric vehicles. Although electric cars are still a rarity
on roads now. this massive investment could change the picture rapidly in coming years.
While there's a long way to go,the trend lines for renewables are spiking. The pace of
change in energy sources appears to be speeding up perhaps: just in time to have a
meaningful effect in slowing climate change.What Washington does-or
doesn't do- to promote alternative energy may mean less and less a time of
aglobal shift in thought.
26.The word "plummeting"(Line3,Para.2)is closest in meaning to ______
A.stabilizing
B.changing
C.falling
D.rising
27. According to Paragraph 3,the use of renewable energy in America ______
A. is progressing notably
B. is as extensive as in Europe
C. faces many challenges
D. has proved to be impractical
28. It can be learned that in Iowa,
______.
A. wind is a widely used energy source
B. wind energy has replaced fossil fuels
C. tech giants are investing in clean energy
D. there is a shortage of clean energy supply
29. Which of the following is true about clean energy according to Paragraphs 5&6？A. Its
application has boosted battery storage.B. It is commonly used in car manufacturing.C. Its
continuous supply is becoming a reality.D. Its sustainable exploitation will remain difficult. 30. It
can be inferred from the last paragraph that renewable energy _____.
A. will bring the US closer to other countries
B. will accelerate global environmental change
C. is not really encouraged by the US government
D. is not competitive enough with regard to its cost
30. It can be inferred from the last paragraph that renewable energy _____.
The Bush administration's enthusiastic support goes a lot further than this, however. It also wants to see new plants. Proponents of new nuclear power stations make three arguments in their favor. They will enhance energy security by lessening dependence on fossil fuels; far from being environmentally harmful, they will be beneficial because they will reduce the output of greenhouse gases; and, most crucially, the economics of nuclear power has improved from the days when it was wholly dependent on bail-out (紧急财政支持) and subsidy.
Yet these arguments do not stand up to investigation. The claim that governments should support nuclear power to reduce their vulnerability (致使弱点) to the OPEC oil cartel (联合企业) is doubly absurd. Little oil is used in power generation: What nuclear power displaces is mostly natural gas and coal, which are not only more plentiful than oil but also geographically better distributed. Security is enhanced not by seeking energy self-sufficiency but through diversification of supplies. Creating lots of fissile material that might be pinched by terrorists is an odd way to look for security anyway.
What about the argument that climate change might be the great savior of nuclear power？ Global warming is indeed a risk that should be taken more seriously than the Bush administration has so far done. Nuclear plants do not produce any carbon dioxide, which is the principal greenhouse gas. However, rushing in response to build dozens of new nuclear plants would be both needlessly expensive and environmentally unsound.
It would make far more sense to adopt a carbon tax, which would put clean energy sources such as solar and wind on an equal footing with nuclear, whose waste poses an undeniable (if remote) environmental threat of its own for aeons to come. Governments should also dismantle (拆除) all subsidies on fossil fuels — especially for coal, the dirtiest of all. They should adopt reforms that send proper price signals to those who use power, and so reduce emissions: Global warming certainly provides one argument in favor of nuclear power, but it is not sufficient on its own to justify a nuclear renaissance.
What's the public's opinion about nuclear industry？
A．People have little confidence in nuclear power for the potential disaster of nuclear accidents.
B．People think it important to exercise strict monitoring and effective management of the existing plants.
C．People believe the best way to avoid nuclear disaster is to shut down all the nuclear power stations.
D．People agree to prohibit the existing nuclear plants from running to the end of their useful lives.
听力原文： Recent films, books, magazines and newspapers have reported about serious threats to the environment. Changes in climate, increasing pollution, rising energy demands, and decreasing supplies of water are worldwide problems. Designers and builders around the world are reacting to these environmental concerns with new conception of green house.
Green houses are designed to be sustainable. Something that is sustainable provides people today with what they need. But it does not use up or damage the natural resources.
Green houses use much less fossil fuels—oil, gas and coal—for energy. The houses are placed on the land so the sun warms them during cold months and is blocked during hot months. The houses have plenty of windows that open to let in cooling air. They have special equipment that uses a lot less water.
Green houses are made of wood from fast-growing trees so old growth forests do not have to be cut. They include recycled materials so something old is re-used, not thrown away as waste. The houses are healthier for people to live in. Materials used in them are not processed with strong chemicals that can produce harmful gases.
Houses that are environmentally friendly are not new. For years, architects in many areas of the world have designed and built them for environmental activists. But now, rapidly rising energy costs are increasing the demand worldwide for green houses that use less energy and other resources.
(33)
A．It is a new design to keep people warm in winter.
B．It is closely sea!0d so that cool air cannot go through.
C．It is a new design without exhausting or harming natural resources.
D．It is created for gardening or fanning.
