ࡱ> y{x'` RbjbjVwVwF44eqRRRRRRRf8f7.::PPP$eh͆dā-Rhh@āRRPPFFFRPRPFFF~l8RRtP. p}e"&oX07pl1^1tt1RJ}TFāāX7fff*fff*fffRRRRRR Cooking Under Pressure When you boil potatoes on the stove top, it can take half an hour to cook them til tender. But, when you boil them in a pressure cooker, instead presto, theyre ready in about five minutes. Whats the difference? What makes pressure cookers cook so quickly? Lets start with the potatoes boiling on the stove top. The temperature of the boiling water wont go above 212 degrees Fahrenheit, no matter how high you turn up the burner or how long you leave the pot on the stove. Thats because, at normal air pressure, water boils at 212 degrees and escapes as steam. In a pressure cooker, on the other hand, the steam cant make such an easy getaway. The sealed lid keeps the steam inside, raising the pressure inside the cooker to about twice normal air pressure. Now heres the secret of speedy pressure cooking. As pressure rises, so does the boiling point of water. At the higher pressure inside the cooker, the boiling point of water goes up to about 252 degrees. So, food cooks at a much higher temperature in a pressure cooker, and that`s why it cooks more quickly. Pressure cookers control cooking temperature by maintaining a certain pressure. A vent on the lid releases steam when the right pressure, and therefore the right cooking temperature is reached. And to prevent disasters like boiled potatoes exploding onto the ceiling, modern pressure cookers also have a safety valve to release steam, just in case the vent gets stuck. 00ؚSpj 00Yg\WF>e(WpP[ Npnq JS\eMbnqq0Yg\WF>eeQؚS Sww5R1\qN0$N gUO:S+RbT?:NUOؚSpjYdkŏ? 00bNNpP[ NnqvWF_Yw e`O\dqlvpY'Y bb/fpjeY 4lvlp NOǏNSl212^0ُ/f1uN(WhQ'YlS N 4l0RNSl212^1\Ol~v^b_b4ll%cSc0 00 [NؚS 4llv^ NOYdk[f%cSQS0[\v\4ll\X[(W̑ QS:_GShQ'YlSv$N P0   VZ\hjҽһҲzofa[Q[QjhCiKHU hCiKH hCio(hCi5PJo(hCi5CJPJo(hCi5CJOJPJo(hCiCJOJPJo(hCijhCiUmHnHsHtHh?qjh?qUh4h[3aJU)hochhochB*KHOJQJ^JaJph-hochhochB*CJKHOJQJ^JaJph+hochhoch5B*KHOJQJ\^Jph M  G Ngd4$dwdd1$[$\$a$gdoch$dwdd1$[$\$a$gdoch~00s(WbN_ؚS_pjvy0@wQS:_ NGS 4lvlp_NnGSؚ0QS~c(Wؚ4ls^ 4lvlp NGSNSl252^]S0Vdk (WؚS-Npjߘirv)n^fؚ pjef>f)w0 00ؚSǏ~cgNSRegpj)n^0[\v NvclT[ʑ>e4ll Ndk0RTvSR pj)n^_NKN0Rt`e4ll N2clT[5X^X0      ,TRX,_>e_f[`Ns^Swww.TingClass.net f[ ~,TR N,TRX00MQ9,TR N}0www.tingclass.net -  PAGE 1 -  tvz|~gd4 $ 9r a$jlnrvx|~Ǿh4h[3aJh?qhCijhCiUmHnHsHtH hCio( hCiKHjhCiKHUhCiKHmHnHu0182P. A!"#$%S Fe(ᆆ5lE/JFIFC    $.' ",#(7),01444'9=82<.342C  2!!22222222222222222222222222222222222222222222222222" }!1AQa"q2#BR$3br %&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz w!1AQaq"2B #3Rbr $4%&'()*56789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz ?]m_;Sw:AWm  Q1E~TbQpoa?*]'I1Ea?*7&( ~T\,. RbQpOʍ'I1Ea?*7&( ~T\,Oʍ'F( ~T\,. RbQpOʓ Q1@X7OʌQa?*7&( ?OʓbX]'FpOʍ'I1Ea?*7&(0_ʍ/I1J`~Toa?*1F) Ra?*LQa?*7&( Oʍ'I1Ea?*7&(0Oʍ'I1@X]'F,. RbP Q1F( ~T?Oʏ31F(  Q1@X7. Q1F(X]'F`~Toa?*1F)~Toa?*LQW ~T~TOʌQa`~Toa?*1F)?Oʏ31F(X]'F Roa?*1F) Ra?*LQa?*7&(0_ʍ/I1@X7OʌQ 93?rQ@X|)wLHGQq-len5Olnx#NOP~DmTQFn+Ѷfꆒhcid8P(_ȷъlDo5Comg*eIA)lG1OK(?mhh.6s\p7I7b\QnzQ"q6"vь ."H"#j]bづpS=1[:}/je+#ZTi ¬ool9" K59j5K, avk k莢v üVL5"\٢:ܽozv1VԬtg+Xe9ӬZM~SWө*j5Fڗ0h ms\]1R9m,Q6+bThEbIъOnh TX.h(M2F&8b,Qoh ThEbF.X.6p"vѶ(Km=bFxO=E IRcCvmT\֍'Vdn۟җs$erW"vm]KbTi LW3x,j%-khZmD@qҺ'*Z cCbcFk]; SyDk0.{f$+ԋj@9XszcAwd/_fG kXu8t{ӴrH׊xZG밸mWofWv޽jg*RK3F:s^eZr7 nZbThYdX}E.xoI"E3mX~m`*]p%7C50+[W4`w?BE}kA&Gj,aKN;נBA\$kAh7h1Y΃aè6YZX]Ƅ|ָs|!(J޻kKTcCjEu #|!N3:j1km8DǠB(cZm7;C{isW` 9pNEbkEQjR u<+pF< 6Ը R$[޹z؀Fǵ1+noW_C~JA(ZѤ ~鰅d!mqֺ֛pC ]u B9BTD&%KhzOO%O²)ZYU:Uܲ'v}fe ԥ,)kIn߸Zd1Ԥ *QW71VQݘ5^On^Eti JcTӛ9tpFOL7 *<9 NqY6Ȼ\VR+.M>kFC[I.Oƌi2o4t ccǨ fE4vH5nzpTR{}(Rcg8>Z[hVţc&HYis#HќCvѶ eNEsN5gfF8k==2Օ4cJKmw˴,O͎+9˱߆J9.kMٌpuf^L è RS +R4M66ub\}==u*Ȱ?6)]/Hs}zHaڄfpIHI}%bh򿈿.B#Fړm.(XmjPm-mvѷҀ"Fڗo4m,E.Z6"FڗnzV}ޡTJ* "|ܷ9mT,{X33隣_PTa\{tw,Ԓ]Jߝc=<]K ]jMJxXES޷2!~2kGh8\V] A>k헶F-62dTk[|'Ј-ILԯp 拭kM\ÊUTt;0 %f9p c3&vZX&F}j-o0-ұ^h0Yu\>%JK6hZyǜ֊O+VEG-/$sX(W'*u:ZvhR.A.UϖB-#<$wkjqO@*4i/X\^z)1KޖC/n̚dc\ME7>s=kv67|`K 2+׆*,hJ6VR>,2i6dOq\楯 gpZ3Z~;7dU,Ij"lR`HN{ip $JAwS]։EiĊ7c\ʐ1wpOznjC? ^2M#[>$m>e ~x}Zx,qںn[)4KqA^Khrpε!E/ym}|״4!ROz׾cj˭g^jcd+晦f=jiX[T p4ru@[PF=+Xg+Ѿ]KFژRm6m徢mQq8pt"i4mc*| EQ-z@j;W:nB<~lMwe;J[&M4bN$I+f1qOϴV'qfyYM= ZDøtEpx:z%\Dt4'Iê, Dtk'W$b\tu Vsg4d]bJ vѶongB].cXЩ((ojMTl|C`۲E]H1 |& s9Ft$En}ԶLF8j-(Fn3s9QU+NQIc HW Mj]{%%լ:IzmYڷuIIBWSjV94}/M!@Mw­gkD{*v)E⍵&]Qx_?S%~JsQ2=j]mv2/cU[sW Jd+}> zpF\ e^T"*`kSmC5`Sʔns(b%ŸMkU`θD&M=cpq \k*HԐt$MTiiS۸lbX|z8)sXF̍9nrr|'J-H9,QJ԰FpV3Tuב\k9<ҭk:\tc(}+4ΥJc ӭ S:_8,tΜѓkÿ5FGZiR10H>L!J_d8=kWU{"#\Ɇpm9l<EWYl>Ϳ=kBA_e]f)eaUt5mbwrX C{⋋O_F;9B1ޝ%%C-O6ppkKDqKK`S|:3nN(G)k 4m<)k!Vn9ou$۹`TUƕ81Sˡ׎F驏2~LӼQ. X'&k3/LoԛyJvZ璢DrĥGRkmf[[j9֦[zֽ6QG߾R 7v0PsS V4snO|nGq)ELT][GN-HT<Uk u[ߗBDBWwbZ4){ zFڗn(Z\lE M:$^j=V`v4c-zV,>U5ak wJ9b$~\V}xz۹[H&AVΣ"}j#$U֤|W^C?xutNGt?Ak9NX۞PP.Ǟmɮ{`Q0* 8.+(\&mWcLŖVZ=o{G1{yfi$Q!)ӥXXz҂5]}Н[-t./Ρ]ΒEMد56ԻhHv"RE.ڐ/(,?ڱ*EGmI1@G&(G&(b=m1F(F*Mmv#1F( mI1@/81Fs@XaqT5;zҺ$7 v8u#3oz8D12"G­.Nsj6"F*LfeY]NIN+mAԛsF(9''yjdh]H栏öyQ[i1AбU- Dz5T0Ի} A)>gtss9%QBv@RJw3nt.P 2E~2}[sE^^[:U &ڴ6D'(;d>d`EQʭIi3.G_19ϦE=ÑZ8qA_X{R݂]B#aK8qҍǕhRmmv#6Ѷ#F>jmxzGQՈO5Gƣ)$w->>f*V'c-[䌶3Xk>q SȭmSjt:wqZ 8cƠNRsv*\YEvp)!ӭKUQ4/M.[G(I6ӹ#jMbG&(F*LQW0"P*6ӻb=m1F)dQmV YW+֩^+OmSKYL wĵHtpI{W*"X@" :_6]TO!T phonetic2*B*`JphfffCJOJQJo(^JaJ5\.O1. caption15\`^@B` nf(Qz)!dXD[$dYD\$a$$1$CJOJQJ^JaJKH8 @R8 ua$$G$ 9r CJJ@bJ u w'a$$G$&dP 9r CJ^\@^ z-zSOvza$$1$&dPCJOJQJ^JaJ<KH^]@^ z-zSO^za$$1$$dNCJOJQJ^JaJ<KHVOV /\8 Char Char*5CJ,KH,PJ\_HaJ,mH nHsH tH^O^ /\8 TopSage.com& 8NWD8XDdYD^` CJaJfOf /\8TopSage.com Char Char$CJKHPJ_HaJmH nHsH tHHOH /\8paraN.WDXDYD`CJaJNON /\8 para Char$CJKHPJ_HaJmH nHsH tHDOD /\8ParaheadWDXD2`5ROR /\8'Y[Q* NNVDWD8XDYD^` CJaJJOJ !/\8reply N.VDXDYD^CJaJPOP /\8 reply Char$CJKHPJ_HaJmH nHsH tH6O"6 -/\8answer"d,CJaJXO12X /\8bt3##$$$dh2@& XD2a$B* CJ\aJphhOABh %/\8bt4'$$$$d,d@& XDdYDa$ B* CJOJPJQJ\aJph3XOQX $/\8bt4 Char05B* CJKHPJ_HaJmH nHph3sH tHHObH /\8Y/N"&   VDWDP^ `56FOrF /\8bt$'$WDXD2YD2`a$5)@ /\8uxbOb /\8 Directions&)-WDXD2YD2^-`6CJ]^JNON /\8bt2*$dhXD2a$5B*CJ\^Jph33VOV /\8readme,+\dN.WD8XDYD^`\aJFOF /\8 SampleAnswer,$`a$5ROR "! answer Char$CJKHPJ_HaJmH nHsH tH8O8 n6c cnn_dynone1 <e@ G HTML 2(3 ,3Q 5[5X6/\89 n:;+m;`??jA9A^A`A(BrCDlEuEKFU'GkYHgI@K LbL/NZNOORR*.RTYR;>S-UBVzV=WjX4YCYZ/Z[9]6h]^9^~^K$`&`rA`han6cec6d>d6&efgbmg{gochE8mP8pMlp?q+q7qbqr/r6t$tH-tYftit'EulunugRvvvcwXx!yE|WXYO0>&Uag-)!bO!%,Pg[C!W>EQt:{cGSkt8s2jj@q^u!]c{ gm 4b|xd cr0G.dB4hhei!q:<cHs;)A `8Eg7942OCi;2u>M68y?>-8D-BU>7EkGNVX1cd%SY9K\4F0(&R&f 'GR1gr4?aV*O/ADK"1.~J@/ (0@00Unknown Gz Times New Roman5Symbol3& z Arial7&  Verdana;[SOSimSun;5 wiSO_GB2312;ўSOSimHeiO& k9?Lucida Sans Unicode;Wingdings QhwfS"'CK K !Z&!),.:;?]}    & 6"0000 0 0 00000 =@\]^([{  0 0 00000;[bb2q ?'*22 Normal.dotUnit 1 guoyaxinUser)                           ! " # $ % & ' ( Oh+'0  8 D P \hpxUnit 1  guoyaxin Normal.dotUser147Microsoft Office Word@R\ @ 5O@rvɝ-@,KB"&K՜.+,D՜.+,D   $,4<WWW.YlmF.CoM b' ` ?GKSOProductBuildVer2052-6.6.0.2461  !"#%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefgijklmnoqrstuvwzRoot Entry FPd"e"&|1Table$WordDocumentFSummaryInformation(hDocumentSummaryInformation8pCompObjm  FMicrosoft Office Word ĵ MSWordDocWord.Document.89q