10．Boiler rooms are often dirty and steamy，but this one is el．ean and cool．Fox Point is a very new47-unit living building in South Bronx，one of the city's poorest areas．Two-thirds of the people living there are formerly （以前） homeless people，whose rent is paid by the government．The rest are low-income families．The boiler room has special equipment，which produces energy for electricity and heat．It reuses heat that would otherwise be lost to the air，reducing carbon emissions（碳排放）while also cutting costs．
    Fox Point is operated by Palladia，a group that specializes in providing housing and services to needy，people．Palladia received support from Enterprise Community Partners （ECP），which helps build affordable housing by providing support to housing developers．
   ECP has created national standards for healthy，environmentally （環(huán)境方面） clever and affordable homes which are called，the Green Communities Standards．These standards include water keeping，energy saving and the use of environmentally friendly building materials．Meeting the standards increases housing construction costs by 2%，which is rapidly paid back by lower running costs．Even the positioning of a window to get most daylight can help save energy．
   Michael．Bloomberg，New York's mayor，plans to create 165，000affordable housing units for500，000New Yorkers．Almost 80% of New York City's greenhouse-gas emissions come from buildings，and 40% of those are caused，by housing．So he recently announced that the city's Department of Housing and Preservation and Development （DHPD），whose duty is to develop and keep the city's supply of affordable housing，will require all its new projects to follow ECP's green standards．
Similar measures have been taken by other cities such as Cleveland and Denver，but New York's DHPD is the largest city developer of affordable housing in the country．

45．What is the purpose of describing the boiler room in the first paragraph？C
A．To explain the measures the city takes to care for poor people．
B．To suggest that affordable housing is possible in all areas．
C．To show how the environment-friendly building works．
D．To compare old and new boiler rooms．
46．What is an advantage of the buildings meeting the Green Communities Standards？A
A．Lower running costs．
B．Costing less in construction．
C．Less air to be lost in hot days．
D．Better prices for homeless people．
47．It can be learned from the text that，B
A．New York City is seriously polluted
B．people's daily life causes many carbon emissions in New York City
C．a(chǎn) great number of people in New York City don't have houses to live in
D．some other cities have developed more affordable housing than New York City
48．What is the main purpose of this text？D
A．To call on people to pay more attention to housing problems．
B．To prove that some standards are needed for affordable housing．
C．To ask society to help homeless people and low-income families．
D．To introduce healthy，environmentally clever-and affordable housing．

分析 本文屬于議論文閱讀，主要介紹了美國綠色環(huán)保的"經(jīng)濟(jì)適用房"．企業(yè)社區(qū)合作伙伴（ECP）住房開發(fā)商提供支持以幫助建造"經(jīng)濟(jì)房"，并制訂了一套"綠色社區(qū)標(biāo)準(zhǔn)"，包括節(jié)水、節(jié)能以及環(huán)保建筑材料的使用，而全美最大的"經(jīng)濟(jì)房"開發(fā)商------紐約的DHPD也將遵循這套標(biāo)準(zhǔn)．

解答 45．C   推理判斷題，根據(jù)第一段The boiler room has special equipment，which produces energy for electricity and heat．It reuses heat that would otherwise be lost to the air，reducing carbon emissions（碳排放）while also cutting costs．可知新的鍋爐房由于裝備了為發(fā)電和供暖提供能源的特殊設(shè)備而一改以往臟和潮濕的形象．作者提及鍋爐房旨在說明新型建筑的功能：重復(fù)使用熱能，以免熱能流失，從而減少排放、減低成本．故選A．
46．A   推理判斷題，由文章第三段Meeting the standards increases housing construction costs by 2%，which is rapidly paid back by lower running costs．可知要合乎ECP"綠色社區(qū)標(biāo)準(zhǔn)"，建筑成本將會增加2%，但是會從房屋運(yùn)營成本的降低中得到補(bǔ)償．因此A正確；誤解分析：通讀全文可知B項(xiàng)明顯與文章不符；C項(xiàng)指的是鍋爐房（boiler room）的情況；而從第一段可知，無家可歸者住房由政府支付房租，排除D項(xiàng)．故選A．
47．B   細(xì)節(jié)理解題，根據(jù)第四段Almost 80% of New York City's greenhouse-gas emissions come from buildings，and 40% of those are caused by housing．可知建筑排放的溫室氣體的40%來自于居家，故選B．
48．D   主旨大意題．全文介紹了一些環(huán)保經(jīng)濟(jì)房的功能、環(huán)保經(jīng)濟(jì)房必須達(dá)到的建筑標(biāo)準(zhǔn)及其實(shí)際執(zhí)行情況．所以文章討論的是技術(shù)問題，而非社會問題，故選D．

點(diǎn)評 做閱讀理解時要快速的瀏覽全文，把握文章主旨大意，帶著問題回到原文，尋找細(xì)節(jié)或概括相應(yīng)的答案，最后要理清作者寫作思路．

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