理工類A級：完形填空Debate over

　　Amusable of Rockefeller University in New York，US says the key renewable(可再生的) energy sources，including sun，wind and bibfuls， would all require vast amounts of land．f developed up to large scale production—unlike nuclear power．That land would be far better________(51)alone，he says．Renewable look_______ (52) when they are quite small．But if we start producing renewable energy on a large________(53)， the fallout(結果)is going to be horrible．

　　Amusable draws his conclusions by analyzing the amount of energy that renewable natural gas and nuclei(原子核)can________(54)in terms of power per square meter of land used．Moreover，he claims that_________(55)renewable energy use increases this measure of efficiency wail decrease as the best land for wind，bibfuls，and solar power gets used up．

　　Solar power is much more__________ (56) than bibful in used but it would still ________(57)1 50 square kilometers terms of the area of land of photovoltaic(光電的) cells to match the energy production of the 1 000 MW nuclear plant．in another example， he says__________ (58)the 2005 US electricity demand via wind need 780，000 square kilometers，an area the__________(59)of Texas power alone would However，several experts are highly critical of Amusable’ s________(60)．John Turner of the US government’s National Renewable Energy Laboratory says that even if the US got all of its_______ (61) from solar energy， it would still need less than half the amount of land that has been _________(62) highways．Further，it need not ________(63)up additional land． The US could get a quarter of its energy just from covering rooftops of existing buildings，he says According to Turner，the same“dual use”also_________(64) to wind power. footprint for wind is only 5％of the land that it ___________(65) . Farmers can still farm the land that the turbines are on．Turner says looking solely at land use is an 0versimDlificatiOn of the issue．

　　51. A left B owned C held D bought

　　52. A fresh B costly C attractive D dirty

　　53. A number B scale C part D extent

　　54. A reduce B increase C consume D produce.

　　55. A since B as C because D until

　　56. A effective B important C special D efficient

　　57. A require B show C collect D discover

　　58. A making B Keeping C meeting D creating

　　59. A form B size C region D scope

　　60. A conclusions B decisions C solutions D modifications

　　61. A force B volume C control D power

　　62. A to B in C for D on

　　63. A give B take C set D turn

　　64. A applies B adapts C relates D appeals

　　65. A touches B faces C covers D holds