3.A 细节理解题。根据第三段“Once they obtained DNA sequences(序列)from two fossils(化石),mammoths and mastodons, the team compared them with DNA from modern elephants. They found to their amazement that modern forest and savanna elephants are as distinct from each other as Asian elephants and mammoths”可判断研究者的结论是建立在对非洲大象的DNA的研究结果的基础上的,故选A。 专题八 │ 新题预测
4.A 逻辑推理题。根据最后一段中的“Now that we know the forest and savanna elephants are two very distinctive animals, the forest elephant should become a bigger priority (优先)for conservation purposes.”可推断他的讲话是围绕对非洲大象的保护的,故选A。 5.C 主旨大意题。根据主题段第一段可知,本文主要介绍关于非洲大象的最新研究成果:非洲草原大象和非洲森林大象实为两种完全不同的品种。由此判断选C。 专题八 │ 新题预测
(一) Motorists who used to listen to the radio or their favorite tunes on CDs may have a new way to entertain themselves, after engineers in Japan developed a musical road surface. A team from the Hokkaido Industrial Research Institute has built a number of “melody roads”, which use cars as tuning forks to play music as they travel. The concept works by using grooves(凹槽).They are cut at very specific intervals in the road surface. The melody road uses the spaces between to create different notes. 新题预测 专题八 │ 新题预测 Depending on how far apart the grooves are, a car moving over them will produce a series of high or low notes, and designers are able to create a distinct tune. Paten documents for the design describe it as notches “formed in a road surface so as to play a melody without producing simple sound or rhythm and reproduce melodylike tones”. There are three musical strips in central and northern Japan—one of which plays the tune of a Japanese pop song. Reports say the system was invented by Shizuo Shinoda. He scraped some markings into a road with a bulldozer before driving over them and found that they helped to produce all kinds of tones. 专题八 │ 新题预测
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