大学体验英语综合教程课后习题答案(已整理排版).docVIP

Unit?1 Lead-in? 1?human??being?s???2?power?ed???3?green?house????4?far?away5??make?a?diffe?rence??6?breat?he?in?7?decre?asing??perfo?rmanc?e? 8?four?inche?s?high???9?campa?ign?????10?encou?rage Ex?3? 1?B??2?B??3?C??4?A??5?D? Ex?4?? issue?s,?pollu?tion,?defor?estat?ion,?relat?ed,?consu?mptio?n,? resou?rces,?threa?t,?respo?nsibi?lity Ex?5? 1?addic?ted—smoki?ng??2?envir?onmen?t—conce?rn??3?exper?t—wisdo?m 4?posse?ssion?—greed???5?resou?rces—inexh?austi?ble? Ex.6?? 1?strat?egies????2?speci?fic???3?consu?mers???4?relea?sed??5?trapp?ed???6?conse?quenc?e?????7?was?isola?ted??? 8?prior?ity???9?conve?nienc?e???10?eleme?nts Ex7? 1?trans?form???2?all?the?way???3?sit?back??? 4?resul?ting?from? 5?share?…with Ex.8? 1?How?did?the?war,?which??broug?ht?terri?ble?disas?ters?to? manki?nd,?impac?t?on?such?a?poet?? 2?Mothe?rs?are?somet?imes?blind??to?the?fault?s?of?their?? belov?ed?child?ren,?which??will?cause??the?child?ren?to?make?the? same?mista?ke?again?.? 3?As?a?new?immig?rant?in?this?compl?etely??stran?ge?count?ry,? she?alway?s?felt?isola?ted.? 4?Actin?g?befor?e?think?ing?often??resul?ts?in?failu?re,?so?we? shoul?d?think??befor?e?we?leap.? 5?The?time?for?talki?ng?is?past;?we?must?take?posit?ive? actio?n?to?prote?ct?our?envir?onmen?t. Ex.9? 1?Take?two?pills??each?time?and?three??times??a?day?and?you?will?be?well?in?a?few?days.? 2?He?is?not?impat?ient;?he?is?just?too?tired?.? 3?Once?water??short?age?reach?es?the?point??of?no?retur?n,?there??will?be?nothi?ng?left?to?be?done?but?aband?on?the?city.? 4?We’d?like?to?share??our?exper?ience??in?city?plann?ing?with?every??repre?senta?tive?here?and?show?them?what?is?speci?al?of?our?innov?ation?s.? 5?We?can’t?just?sit?back?and?do?nothi?ng?about??incre?asing?ly?serio?us?traff?ic?probl?ems. Ex?12? 1?D??2?A??3?C??4?A??5?B? Ex.?13?? 1?subtl?e?????2?were?overt?aken?????3?speci?es????? 4?decad?es 5?bound?aries??????6?audio??????7?direc?tly????? 8?focus?????9?tone?????10?cuppe?d Ex.?14? 1?at?that?rate?????2?For?the?sake?of?????3?come?to4?by?hand?