21世纪大学英语应用型视听说教程2答案

21世纪大学英语应用型视听说教程2答案21世纪大学英语应用型视听说教程2Quiz答案Unit11-10ABDBDCABBC11-20BACAABCDCD21-25BACBD26diets27designed28risks29products30reported31storage32prevent33infection34Theguideofferssuggestionsonhowtopreparefoodsafely.35Businessesintheareawillhavewasteremovalservicesandfreshwater.36nottoprepareandsellfoodwhentheyaresickUnit21-10ADBDCBBDAB11-20DDCCABDCAB21-25BDABD26forms27extinct28considering29evolve30creatures31circumstances32adapt33survive34OnegoodpossibilityisthatameteorcrashedintoEarth35Thedustmighthavemadetheairdifficulttobreathe36avolcanoormanyvolcanoeseruptedandcausedchangesintheweatherUnit31-10BDBBBDCADD11-20CBBCDADDDA21-25BDABC26particular27advance28rewarding29individuals30tend31relies32negatives33commitment34Ifyoudon’ltikeplayinginwet,windy,coldconditions,thentheymaynotbeperfectforyou35Indeed,youcanevenplayindoorvariationsoffootballandcricket36it’cslearthatyouneedtoselectsomethingthat’srightforyouUnit41-10BADCBDACCD11-20BCCDABADDB21-25ABACD26vocation27volunteer28break29charity30valuable31community32projects33remote34tryingtocollecttheseedstopreventnewplantsfromgrowing35studentssaytheygetasenseofsatisfactionfromofferingahangduringtheirbreak36SheisdoingsomethingmeaningfulandworthhertimeUnit51-10CCABDCCCDAD11-20ADDCCADCCA21-25DBADB26foundation27civilization28raised29fundamental30responsibility31model32material33stability34However,thistraditionalvalueisgraduallydiminishingduetothechangesinthepresentlifestyleandculture35thepeople’smodernlifestyleissignificantlyfasterandmorecomplicated36childrenarebeinggiveninadequateattentioncausingmodernsocialproblemsthatareharmfulforthesocietyasawholeUnit61-10BBCABDDCBD11-20CCBDC