分析 18歲的米蘭.卡基住在尼泊爾的一個村子里,他用頭發(fā)替代硅,它是在太陽能電池板中很普通但很昂貴的部分.卡基是從一本史蒂芬.霍金的書上獲得這個想法的,那本書解釋了如何用頭發(fā)產(chǎn)生能量.卡基說通過用頭發(fā)作替代品,可以用23英鎊生產(chǎn)太陽能電池板.卡基展示的設(shè)備能產(chǎn)生18瓦的能量.
解答 49.B 50.A 51.C 52.A
49.B.推理題,結(jié)合Milan Karki,who is 18 years old and lives in a village,used human hair to replace (代替)silicon,which is a common but expensive part of solar panels.18歲的米蘭.卡基住在村子里,他用頭發(fā)替代硅,它是在太陽能電池板中很普通但很昂貴的部分,可知因為頭發(fā)便宜,故選B
50.A.詞意理解題.結(jié)合A Nepalese teenager had made a£23solar panel (太陽能電池板) using human hair可知是制造了太陽能電池板,The device (設(shè)備) that Karki has showed can produce 18w of energy--plenty to charge a mobile phone可知能為手機充電,故選A.
51.C.推理題,根據(jù)A Nepalese teenager had made a£23 solar panel (太陽能電池板 ) using human hair.一個尼泊爾的少年已經(jīng)用頭發(fā)制造了一個23英鎊的太陽能電池板,可知是聰明的,結(jié)合He said,"First I wanted to provide energy for my home,then my village.Now I am thinking for the whole world."可知他是樂于助人的,故選C.
52.A.主旨題.根據(jù)A Nepalese teenager had made a£23 solar panel (太陽能電池板 ) using human hair.一個尼泊爾的少年已經(jīng)用頭發(fā)制造了一個23英鎊的太陽能電池板,可知選A
點評 本題首先要通讀全文,了解大意,緊緊抓住上下文語境所提供的信息,然后明確詞意和詞的搭配,并注意上下連貫,合乎邏輯,最后通讀全文,細(xì)心檢查.
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