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1、InventorofLED1A.Holonyak’s··hestartedit.2C.Holonyakbelieved··soonerorlater.3B.Holonyakwas··1950s.4A.Holonyakbelieved··inthefuture.5C.Holonyak··arenotinterestedin.6C.Edith··co-inventorofLEDs.7B.The···over100years.ElNino1B.Themethod··inadvance.2A.TheColumbia··temperat
2、ures.3C.The··ElNinooccurrences.4C.Weare’s··othermeteorologists.5B.···in1991and1997··.6A.Ittakes··itspeak.7C.Aspecial··studyElNino.Smoking1B.It··ishazardous.2A.Smokingreduces··expectancy.3A.Smokingmayinducelungcancer.4C.Thereis··breastcancer.5B.Male··thanfemalesmoker
3、s.6A.Nicotineispoisonous.7B.Filtersandlow··safe.EngineeringEthics1C.Engineeringethicsis··UnitedStates.2B.Thenumber··A&MUniversity.3B.TheNational··aboutethicalissues.4A.Itseemsthat···ethics.5C.Severalengineering··ethics.6A.Many··onprofessionalethics.7A.Itislikelythat
4、··ethics.RescuePlatform1B.Arescue··butnotsideways.2A.Thefour··totheEagle.3C.With··100milesanhour.4B.Inthethird··totheEagle.5C.Themare··cancarry.6B.Inthewake··testhisidea.7C.Mr.Metrevelii··Eaglet.Microchip···Created1B.Thecountry··$14··industry.2C.Thatcountrygives··pu
5、rposes.3B.Althoughthelicensing···topay.4A.Manywesterncountries··purposes.5C.almostall··Americaninvestors.6A.Mainstreamchip··rapidly.7B.Morethan10··self-reliance.Moderate···England1B.During·28·withoutpower.2C.TheChannel·10·occurred.3A.Itwas··butnotseriously.4C.France
6、andseveral··doctors.5B.Thecountry’s··in1580.6A.Musson··soonerorlater.7A.Itcanbe··earthquakes.EasyLearning1A.Babiescan··intheirsleep.2C.Aninfant··isayearold.3C.Finnish··todistinguish.4A.Thethreevowels··sounds.5A.Thestudyshows··heisasleep.6B.Ifanadult··underhispillow.
7、7B.Cheour’sfindingisworthless.Dangers···Altitude1B.According··under-nourished.2C.Giussani’steam··University.3A.Giussanididnot··borninto.4A.Theweight··mother’swomb.5B.High-altitude···bodies.6C.High-altitude···average.7B.Giussanihasarrived··up.Irish··aUniqueDialect1CT
8、hedifference··scientists.2B.RonanHickey··dolphins.3A.Of32categories,eight··dolphins.4A.Whistlescould··dolphins.5C.Spermwhales··thandolphin
