1. ~R
~Rһֱ_ϴy}ô~(yng)ԓô҂ ɿ?BһW(xu)ķҽh~֞AһARe^̣Ҫт߅ ߅߅x߅ӛ~@AҪ֪@~ʲô˼Ҫ֪@~ôl(f)ӛס@طʽӛ~ӡ̡ڶA얹̵^Ҫтφ~ֻ MP3ȥ(yng)~xƴ(䌍(sh)@^̺҂Сr ) ̫Ć~؏(f) ֱX(yng)xֹֻ@Ӳſц~ӛD(zhun) X~AǏ(qing)AҪт؏(f)ڶAҪMP3xF(xin)֮ǰ(yng)~xߌ~ķ(yng)ٶȡ
2.
ķ^һͨnjijһ M(jn) Ƿ(f) һƪ ֱÓֹ
ᘌ тʹ(yng) ܛ W(wng)վ(j)Լˮƽxͬ ϡ A(ch)ǺܺõͬW(xu)xʹVOAٺ{(ln)ƤDeltaM(jn) (dng)__(d)80%ϵĕrԇLԇ 93ƪVOA@ϵ_75%ϵĕrԇLԇ SSS(Scientific American’s Sixty-Second Science)CNN
ᘌһNrhтʹTPOTPOӽ挍(sh)ԇ ϣֻܶǰ(dng)zyĹ}֮wⲻ֪ TPOһNܺõͦ ;
һ TPOҪģMԇ(sh)^βм(x)}ӛPӛԼ_}Ŀ(bio)ӛ
֮e`Ļ IJTPO һLԇԼҳ𰸡
(f) ֮_ıĆ~ʽŪ֮м(x)оһe}c(din)һԼʲôҕ@طe??yn)~] ǾҪıͷ(yng)ٶ֡ (x)T}ǾҪ(j)}QfеͬW(xu)eڵһƪConversationǾͿԇLԇǰintroductionIJֶ ֮}oԼһ_ÿһ~ ˵Dz֪ӵ˼Ǿfڷ ϳF(xin)һĆ}ξҪԼʲôطǿc(din)?fconversation_^ܿܕV҂W(xu)ĿLecture(dng)гF(xin)ֽY(ji)(gu)ͿܳF(xin)(xing)x
ıϣ һ ıS һ
@ ŲnjTPOM(fi)
3.
и ԇģW(xu)Լn҂ڷc(din)ĕrl(f)F(xin)еĕrһҪĿc(din)ܕ؏(f)F(xin)Բͬı_(d)ʽF(xin)и _(d)˼Ⱦ(zhn) ijׂ~Ҫ
һ˾“ֻҊľҊɭ” ǡǡǽQ@}÷Ƿ ?wi)?yng)ԓô ?^ķ ָB(ti)ȶָ Ϣľ(x) ĕrB(ti)ɢܿܕɿԇĆ} Ҫт ϵȺҲfmȻ]kfϣs(f)(ni)
ͬrώhx֪W(xu)Ĺ_nTEDv M(jn)о(x)һ龚(x)rvĻȥм(x) ڶ鸽Ļ^һ@Ӿ܌ ͳ Y(ji)ϣЧ@һЩxӢ鷺 YԴĿoҵĽhDZMĻʡȥֻxӢĻ@ЩͬW(xu)IһõӢZh(hun)Ķ ˮƽ
и ӛPӛ^Ҫҕ4c(din)
1 SS(ni)ݾͿ÷c(din)кܶ˶(jng)v^ӛһі|l(f)F(xin)߀}Ŀ?yn)÷c(din)ϢӛoõĖ|r@ǰϢc(din)Ć}P(gun)IĆ}߀ӛPӛЧЧʡߵķǰѽ(jng)f^fnote takingӛԽԽ_ԽԽ
2Ҫһ _ʼvԒsoȥӛ ĕrҪע(ni)ݺ}ж(dng)(ni)ݲ_Л]õĕrӛ²P(gun)I~ҴXҪЂµӡvʲô(sh)ڲrgȺa(b)
3PӛֻֻҪԼöͿˡPӛĕrͰԼ˼·ӛ̖͌~_һc(din)P(gun)ϵ]УֻҪԼö
4֔(jn)ز鿴ʹӛ䛵ĹPӛeֻֻƬZĵط ֮һǿx(xing)cԭͬ۾xǂfT ԻԴ?yn)x(xing)ԭĵͬxČҪ˲x