1、Cmoderate Dgreat 3He was rather vague about the reasons why he never finished school Abright Bunclear Cgeneral Dbad 4I want to provide my boys with a decent education Aspecial Bprivate Dgood 5Sleep stairs can present a particular hazard to older people Apicture Bdanger Cevidence Dcase 6Our arrangeme
2、nts were thrown into complete turmoil Adoubt Brelief Cfailure Dconfusion 7Patricia stared at the other girls with resentment Alove Bsurprise Canger Ddoubt 8Your dog needs at least 20 minutes of vigorous exercise every day Aenergetic Bfree Cphysical Dregular 9I enjoyed the play-it had a clever plot a
3、nd very funny dialogues Aboring Boriginal Chumorous Dlong 10Lower taxes would spur investment and help economic growth Aattract Bspend Cencourage Drequire 11He demolished my argument in minutes Asupported Bdisproved Cdisputed Daccepted 12The two banks have announced plans to merge next year Aclose B
4、sell Cbreak Dcombine 13Her father was a quiet man with graceful manners Apolite Busual Cbad Dsimilar 14The project required ten years of diligent research Ahardworking Bsocial Cbasic Dscientific 15He was kept in appalling conditions in prison Anecessary Bterrible Ccritical Dnormal 第2部分:阅读判断(第1622题,每
5、题1分,共7分) 下面的短文后列出了7个句子,请根据短文的内容对每个句子做出判断:如果该句提供的是正确信息,请选择A;如果该句提供的是错误信息,请选择B;如果该句的信息文中没有提及,请选择C。California Gives Green Light to Space Solar Power Energy beamed down from space is one step closer to reality,now that California has given the green light to an agreement that would see the Pacific Gas a
6、nd Electric Company buy 200 megawatt (兆瓦)of power beamed down from solar-power satellites beginning in 2016But some major chal lenges will have to be overcomed if the technology is to be used widely A start-up company called Solaren is designing the satellites,which it says will use radio waves to b
7、eam energy down to a receiving station on Earth The attraction of collecting solar power in space is the almost uninterrupted sunshine available in eosynchronous(与地球同步的)orbitEarth-based solar cells,by contrast,can only collect sun Light during daytime and when skies are clear But space-based solar p
8、ower must grapple(努力克服)with the high cost per kilogram of launching things into space,says Richard Schwartz of Purdue University in West Lafayette,Indiana, If youre talking about it being economically viable or power of the Earth,its a tough gohe says. Cal Boerman,Solarens director of energy service
9、s,says the company designed its satellites with a view to keeping launch costs downWe knew we had to come up with a different,revolu-tionary design,he saysA patent the company has won describes ways to reduce the systemSweight,including using inflatable minors to focus sunlight on solar cells,so a s
10、maller number cancollect the same amount of energy But using minors introduces other chaHenges,including keeping the solar cells from overhea-ting,says SchwartzYou have to take care of heat dissipation(散发)because youre now concen-trating a lot of energy in one place,he saysAccording to the companys
11、patent,Solarens solarcells will be connected to radiators to help keep them cool Though Boerman says the company believes it can make space-based solar power work,it is notexpecting to crowd out other forms of renewable energyLaws in California and other states requireincreasing use of renewable ene
12、rgy in coming years,he points outTo meet those needs,were go-ing to need all types of renewable energy sources,he says 16Solar-power satellites will use radio waves to beam energy down from space ARight BWrong CNot mentioned 17Solaren is going to design 200 solar-power satellites 18Space-based solar
13、 cells could collect solar power only when skies are clear ARight19One advantage of space-based solar power system is that it is economical 20Inflatable minors are used to reduce the space-based solar power system 21Space-based solar power will rule out other forms of renewable energy sources 22Many
14、 countries will grant permission for the use of spaced-based solar power soon 第3部分:概括大意与完成句子(第2330题,每题1分,共8分) 下面的短文后有2项测试任务:(1)第2326题要求从所给的6个选项中为第2-5段每段选择1个最佳标题;(2)第2730题要求从所给的6个选项中为每个句子确定1个最佳选项。Natural Gas 1 Natural gas is produced from reservoirs deep beneath the earths surfaceIt is a fossil fuel
15、(矿物质燃料),meaning that it is derived from organic material buried in the earth millions of yearsagoThe main component of natural gas is methane(甲烷) 2 The popularity and use of clean natural gas has increased dramatically over the past 50 years as pipeline infrastructure(基础设施)has been installed to deli
16、ver it conveniently and economically to millions of residential,commercial and industrial customers worldwideToday,natural gas serviceis available in all 50 states in the US,and is the leading energy choice for fueling Americanhomes and idustries。More than 65 million American homes use natural gasIn
17、 fact,natural gas isthe most economical source for home energy needs,costing one-third as much as electricityIn addi-tion to heating homes,much of the gas used in the United States is used as a raw material to manu-facture a wide variety of products,from paint,to fibers for clothing,to plastics for
18、heahhcare,con-puting and furnishingsNatural gas is also used in a significant number of new electricity-generating power plants 3 Natural gas is one of the safest and cleanest fuels availableIt emits less pollution than oth-er fossil fuel sourcesWhen natural gas is burned,it produces mostly carbon d
19、ioxide(二氧化碳) and water vapor-the same substances emitted when humans exhaleCompared with some other fos-sil fuels,natural gas emits the least amount of carbon dioxide into the air when combusted(燃烧), making natural gas the cleanest burning fossil fuel of a11 4 The United States consumes about one-th
20、ird of the worldS natural gas output,making it the largest gas-consuming region in the worldThe USDepartment of EnergyS Energy Information Ad-ministration forecasts that natural gas demand will grow by more than 50 percent by 2025 5 There are huge reserves of natural gas beneath the earths surfaceTh
21、e largest reserves of natural gas can be found in Russia,West and North Africa and the Middle EastLNG(液化天然气)has been produced domestically and imported in the United States for more than four decades Today,the leading importes of LNG are Japan,Korea,France and Spain 23Paragraph 2_ 24Paragraph 3_ 25P
22、aragraph 4_. 26Paragraph 5_ APopularity and use of natural gas BNatural gas reserves and supply CNatural gas prices DClean fuel of choice EDisadvantages of natural gas FNatural gas consumption 27Natural gas is stored deep_ 28Natural gas is recognized as the most economical energy source_ 29When manu
23、facturing many products,people commonly use natural gas_ 30It is estimated that by 2025 that natural gas demand in the United States will increase_ Aover the past 50 years Bbeneath the earth surface Cby more than 50 percent Dfor more than four decades Eas a raw material Ffor home energy needs 第4部分:阅
24、读理解(第3l45题,每题3分,共45分) 下面有3篇短文,每篇短文后有5道题。请根据短文内容,为每题确定1个最佳选项。第一篇 How the First Stars in the Universe Came into Existence How the first stars formed from this dust and gas has been a burning question for years,but a state-of-the-art computer simulation now offers the most detailed picture yet of how t
25、hese first stars in the universe came into existence,researchers say The composition of the early universe was quite different from that of today,and the physics that governed the early universe were also somewhat simplerDrNaoki Yoshida and colleagues in Japan and the USincorporated these conditions
26、 of the early universe,sometimes referred to as the cosmic dark ages,to simulate the formation of an astronomical object that would eventually shine its light into this darkness The result is a detailed description of the formation of a protostar-the early stage of a massive primordial star of our u
27、niverse,and the researcherscomputer simulation,which has been called a cosmic Rosetta Stonesets the bar for further investigation into the star formation processThe question of how the first stars evolved is so important because their formations and eventual explo-sions provided the seeds for subseq
28、uent stars to come into being According to their simulation,gravity acted on minute density variations in matter,gases,and the mysteriousdark matterof the universe after the Big Bang in order to form this early stage of a star-a protostar with a mass of just one percent of our sunThe simulation reveals how pre-stellar gases would have actually evolved under the simpler physics of the early universe to form this protostar DrYoshidas simulation
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