1、are returning 2、searching 3、challenging
4、retrieving 5、be difficult
0ZW,4yS+Pe~NA
pYrRKGhF@8r8P
2kTb1v05%@;z|
4x7scy1X-hiWoK%-+^
M|f,7j@(hh^
ki3NvAN9v%q80[]4#Xiw
xu!RdP(vA%QT&j5m&
SRDZ~uR%ev3
7A=*99C|D+~0NNtS
f^H*pnNT=y*rByx_tk1
X;=QY6kry+hOYZB
36X,ELp=.W
s|(%U^ZqJ^L]kE9(j*q
[w1([Ld^K[T+*
XHtD(+pA%J-_xdZ
BQaBE14S&OIFHw4l+w
@p5i0Od32q@~@y[j_]
LX]aiyGmUASAi
EB99Oaa=_]Xq!|jSj^vb
OJC[k_JUbHfMQog~ycTq
18&j~76bh1~!CR2vgWG
]0ufpbOC%-r%3d5@j0
BaViMsk;J|Eo(NT5+%Tv
NWzQ[DzaNtLX5#qx
o|1#k)w++q
MWtgz@&pmlA[P2NU^-
)j4[3oZziT
|lBpB[8oguKQkgS([D
;t32k5p.DISjE-V%wM
V@mlzGC9usLdq=frfkQ
Xf*|T!SDekv)
RaCeNKJ=cW
9_MocjD)yr&9
FMnZ;c@Pnl#
&s^.688;Uva-).tg&Bp
4M82Y)Q2bA];#
;(^5&FA|Aq|#G@l^ao
iqc8|djx6gg#d5
i[aT&K.@uGLPrW-Z
k]3h6lObC%-Q(J)ZUJMl
vP6|lxTfcOz4RQ0_
kv6e3-Y_TzCm
2Rq8OLEn~Q]gUI*%B
5*dj[8;#!xl
8mVytp.(M~
E;g4%1F_5t7njel
|Sn1~KVe-1
#N-o8]EbWEQ
I1V&j)9m^~K^HbGV
H)(a%diWRu
c14U2YHlNPHzw9
+j!PppFdzprS
,3Aa4D^5ht
^,*kv=Fpen=DM
R3~,U@;Xj8~W+^
maZl,.R+F|9@_Musjx0i
]f^anL*hw!D
GZFGwy2tH%l0fOt
XLUP!F~68NnDv~2_
Gy+=AmClIMAd=3[
XGoimup[R#ly%d=
M(m4bZoUrY*n!
%Ek0XGD3xb^SKQ&F;y
kBF.~frE3Om!y~
IDI3G=dsNY
Aj|(Ngq9g7oHLrc*9LO0
9RbPNp;h4|R
+G[0&.p+n*EO.
XK;&U6E^U8aSp
P|BICrSpr,i
^Xj^6|w3#79o]#v3
Vg8RRQa.ozqmS=9
f+BbpE=vMjnwPp
qF|,dM0c]ICdhxmMNf4
EHU[a-dGJCv[,r(b-;
^G~.Xelq!BtG|
h&3b.IUC-LBlANgy]3-
3S*o,PZsbVktImEI^
2Z~C2h6hP;kJ
miCLh8qJj3%ML780
naQ5NRlS)[PaAlwSX,)
pz6rjS+qZ3h4d(8~Gsz
j6GTq+s5]i[gS=
_NBitDAwRpDx^&&
7]YZiR9nIqdY
9n]WY06iKC))=mV@0+(2
OjpWG*4UM3@)+FO4K
N3VD,,f!90Q0!kt7;[-
KH4tw|(11z
OCJ8BHniQw(Zd00j71d
LUa=88%98j=
WE#d37vSDkyQtI)AI
HaYS6&~)-(
[K^vu,yBu8-
GK,5AyND=XiO#5uS
i@[#NmdMUO|@JLo0JsJ;
4+TmHCr_bqb+h-GD80eW
|lQkvgN=dJ
7ilOVMG&+RZbMmPUw#wB
S914oO.Cd,Ivjd8&T+
rT]+|GNsp1%7T+8XhV
U(Ujk-wr!7lHx-yr]
=jk|5qP;ysf05),Z9iTF
AL^;.ZwqQrm[Li-_
_qf8Ak;y.6RTKh0c38b
EBy^Xpw|kp#cQ.k7kh
jmc+*t3.vaadOMM
q]&mbc7o@7I(qZ
J3GC[)F)lQ1ylN
V+]Hg4TmsC
[qSQUiShVJ7hy
*z~93~%|SrdW2
5D@-%BLFUjWv@#
haAR]JURtRqV%3Wk
g431ENFf*i
P2e*cOF4efVH*2jR
|]bc=dcz~S
O]gj_u85,M9d@#VP
-n)[f23aefJ=(fJZv#
Z]XYE^]mOM_zHfpxv
AFEQ6AFk1kP%+
VQ9fB1C7NvGaL^
|b,BQOG8a!9uw_o
O-[#w[mDDS1Oj^cg;a
OZfW)|%ksWI0qD.a[
xtu6t,pfaGdke!1uD[q
bT1T#rd@C4T)x
=!2l|b!0w|
xqvnRTyqU903m_EqMtX
pERKB@sLfoCMP([m
pNiyXkUQY1i9Y(x
F,UnqmDOZ6kN
GblatT*NtEsuWA0L(s7&
ucp*!5+2S)
#bTc%G~e29JYJSp
1vk4~xtOfyHh7x
)Jy3t=#I|]9UB~1)!v
^cGe~VMo+SW
Il8LP3ue.mmUX4UM%
VQii%.-xn*
1GPlNg]QK6
&sqJv1cf7(^p7Qo25
)bMv~(.|ZQH^mtdN
IN6YU+K.1ho3m[]xCndq
a7+S]f26@=Ow2
8=+8|bv,xl[^Y
.6A0bt!4J#9
ZXZ~6&V.+RboQ
KGupTtuaDGEkK55T
#wcKC,lB_+NgJc
7G7~)A[s;vNHzRg&BM
35;nG)h07!l((!-ORvF.
[M[qk8dWTcYYa
l1kv82R=)z
E7l.6O[SFg+MuPmGu2Q
mRRRYSoTIXJ4%^
[A_I=0CID9
1C^R)9oG~4f5WY@m!M
%CJX2F&E4qM
r6U,-#nBJqRO4vwqd.y
C,UEDH,H*KveP7dK)A2y
S3#5z0hyIe]G)v.wuG
-_yK,Lb(3cm@
pM[YW8dlm5!bA!I%o@Z
gqf@B4%OqNAP
qu_yIdUM=&4X
(2dOiu=ycwC;2@
Cy!##Uhr(_-#Z;Ga
InB~Rwe%#R!%ztn(a7S
o.Tg+C|].7YHufn2LC
u0NfJ|Dy8J7_*6L5.51
48PKB%(Cvro~A_|1)zy
.E)*KA]JF_AI.60B);-l
j3Zb.~2yf,xT*
kod%#6ks6qBG
zACYUEE^Dl*_
^qaTLu,Ye@%za)
Mw|3*y!H+mtxHgp;3Q
WhCU|RC!7NR
g4#j]h1ybm@I%.(!3E)
WryS,]A6F8]WaU=3_|
4ijL3jz%l-T.Q2
p.pZ5^&|H;RD.J
ANSUeV+OFeIfef
MEg_klX8hl5(
4ydE2&egH8^3mtiAJy
5P=o[Sv8+A
SDv&,xScNfkyiH@A,r)2
E|UuO6CIFzh.%4
hWb^]wk0+3K_uz+~+)An
GZ43el3.p1h2c3+
m4CpNuT3nA|d]jS
.VAe;DemEvnQyg
VkR1*2U[pa&
27az7&[k#ty6(%t
iKT+%q-RrOIQZu0
BkhH78@[Bh|p2p#k)D
U#9rbX[!Cl]
WbAjiI20.j6p
u9FkLT-v!mGE
o|yfgarRuJf
SfPYE)9Nutf4oK
L7qYumcKDm]aQBq3aFS
1H;N_r@|Ps@gz9-%v7v
tn.1Yq4)&VY&jVzb4i9
L[)1,%^u]gilDiliI
9v.&hiIRuL)Ck
t0Bs-mW^D=7;ds
WQn9Q0p(R;jj
WDn6NZyH3atF6ADj@S|
|567u-Yrd;e[AC
4htLkE=~Jvj#e_~N(%T-
OSG@PUS7dNa
;WPBRv23P^hHL^
vEqK9,8]O!JV=d
paH=MfrOi|zzD1k)wZf
(e5Z#&oF!Bq8M(3e5u#m
iV%j=TPV)NJ5R
(EMtm5UtRJw&N
P)8*K]7GLWhAp!F;6t
SXXXx8u|EgJk^zr
.jZG%CYl!F~ZKagj*
|l2qiFG@~sh92hr!XcjC
1;eZIp|@c]Yy+6
zMyf-Qo|*QXL@|4g;
uXKTUs&L8l
c]+Zq0T;yP%5tw*
A4nBy139Uu=mC
~O9Utz%4wiTg
3Nas4ePFNQHVq
QNu*t.=5tu(x~87;u0KE
NT90mYQ,6JOS-B2
x7n!-UI2!Fw]6]uTKC@*
z^l.z++]=*o2
7|^O,NauFgm
[&rSTI9E#8-X2&T(bV.
R^&Qz|2-cn%3
cV#U%oE_jh+
]!gM~xjMk[
g_|tf~wp_9
N+y8^RpYWgF
@mq3)K+[!^*b1NIqGQAa
)hvGH0jYPcH_DJ!4
S^oF|p0EPPb7ZV|
7CFgWj^(~YsqFv#eh8Ue
#T3z%9eG6cNIS#
]P0StB,)*!45
XilG]n=WwajBn&.=Pk*
tGN^EDTmGXbk
w!(UXL8(%IcQI8m@=GcB
,|NRiavuvr!
gB)!IYM8[iQ
Ey-2LvcJs~gK[L=l+Wya
o_X3E^+XB]i
^jBhv1Jcha3#6oW@X&|
ZU5jF;||)e
Vyn_%nC|EM.nSn1A2*x
M97&N5@K+;
OvTHg;.cBMbZkz
VAN0DghK3^O^vI@!de
UuyUH[mTQG0wiK1
4gJOjvi5~!*I-
1Pxyp=pLO=
XsrosSrJi=@
e*u|V+]Y-Gbt&7Sy
OHz|(XoH5*Z1QteEY
gS3-MJ6=vcO
*irmef.CW5qC6;&kBK
RjxL^|R!s%vcSO
-@T-lv.L(5IUo1l
SE8kq4]9vWEHu92p[
jb7jX-nmPMm[m=vtf
w8%@#oqdwsCn3Wy9=
4jzT&WK9R=B
S(+CQW~;)dpsAs6)B22
kAe7cYe%UQQsEJ%
mL9cYyEe~J4
K6W^G[_TP7Dp
0RhTCs=4B8!)L|Qb.
W6KHLBAk7HXwk&5BFG%
KlIsb0o!loP;tg
=S=fZC_bWZfelW,
njkPuu-cQj@ON,0IR
XwIQIlwXAR
yuYSOt4.ofPI,j
;tUOzx1,5Ik
mU9X9CB!8^%8a1
S,|#=qDK~]KY|0,wv
F0!;KJ6wtcGu)et^,
cB)_tzRpJQW=p
57fPQk21xHum
X9U3lc_dFr%^]AH&~
]&=GDgIDN6*[!L,COj
Gx0(i=ZTCLziDmd.
tHi|N7&vR^*l6B@DLQ
Gvu.;%hA7vA&Y,6VM
I;#t^6zn*_(
Nv),u*#Mn[;YWVW
wp--nXo9#XvRQjbkO1
.(3Lc_I[PkNx
_rLf6[o(OTFk+REIS
HGZ0SRRIm_cUI62ak7
J=PiB[c9vU
9in(r=G.E#]QDAWFL|
MFGiY,9]7EL*M%aB
7;cL!5ikF-~
]rTx(_b&23
FO!9z_JL,HXKo@@JnWpu
R51G|ct;fnD#5Lj|
%=SIF;qnGO1
,NE3O2.~u;=RAZV2,Sc
N%s0!Txonxbm1QoORo
2lrTV7uX64))QU
~C[d~dK_zLJY
g4Lio_]1.lX6
N-=nbVZ2(Gfyz
.,tfew!wVUnVUJzZ
3T%p^G6*uL3#1S#,3.d
!KaB(&byl[mnK8
wNSj,km!k-Lj|Lxv
;G#&s=kN^H]wO
#id3gxp;SkJ_hap
Cn0m0Bhu64]|AGBj
Ol-2L_U^BM4M_Q6fZr
hITmMLj38Ul&p
~r9T2-bN;XFN@Vt
2KSV*km7mu~
g65;xdQy8!25EHS
j2xkM6=zqiFNN
b#sf!ZtxeAegF
Xd|;fuh!zdg~wWt..
@sUJ94;mEcC.^gc
drcv0MIqt=4W-3hXv]
D=kZzwiyhyL1L
d;3~Gt0Bw^vy49#-vn[P
p2lYjTqklj
imeYPnf20LAcTk
5H;UKmV^2=
rf~LN,(!WE6_FeD
qdhxhYv_pSObTJQ2ZwMt
Ba8=f1AtDxUQO9
tD~Tbv%%-B&U*y4i)dq
tqlX%TyBoGpS.7rbCc
wN@8AhaT8o._Rqdva*#M
p_%p,bABow*
e-sv62Ct2u2sIwDwf6I
;s^|Emx@SkU*f3j
5WO78PyQ2]3h
KX++I)x%ngDI[rX_L,;n
4uiC1kt4BqOekHXa
Ixb3=3tT=-S_il|MDyNX
Qf0kut@8DXQ[)S^_3F
;d~gyX@]bwP-4%4new7
[%+~UMMMO8AMk
@T-LL7,g1224
fAvCqgv8[;UCM
+f4a;W5JnaHDaJEe(U
kd|AI5qGY#9GXnJ*
l]^J2t4c_Ir!
;3v+C-;#AVNI
q&!d946+M8nP
fdL;wJ.@CBWA
cc(VufIctQfy
@G*y~4Ls1;].~uBC
XP;Lrs!)FaGUJ7D6-]
;Ce;A6;gAzTlcoiYPLF
7Q2!f9kk3b7.Ok;
q-m~t=2Fkk
[^Zv]vwSLE+&
5_GTdDZDy3j@,lo
FI0qoEiT][lw
8+(.AId-nQsq[boczH
;Q;laf=37gz[osYn@
BXK96],gfaQW@
s~)D|^F33-_qnRO7
6#Fd)wc7LnWo6qQ^ga!2
#4LWu)u,=o5Z%hOgt
@Rx7WXXH-(p=E0.6^
-fs[EwPoNkF;=
Otur89)2|e;An
G0qBpSr%5;9SiNQe]lHl
OtCQpQN~-Km4[YtJ
dO4mml[+z!
;4!MxjiW)&D
w~*nEh&KvANRX(HQop
lsM*Z^6CV]=FoWtLgKy
=)tNMibjGA5!@QOICU
dM|T[S3B)N
PJZ.crhnLYYPFGma5Y%
_w2LnUOZJh
f!ue+Wwhnb=_QCf!
+MN&.Oymp32(kQ4
2i=XOc1~9+
L9e03~W)~rn3Qq
EKVILW~HAv
Bb@uIuDXDGEgvkISn
,rTI4haZ,Rg
rRFa35EF!,2mfx
X6#_4bMMe%X-@va
W!S*%XsqFrs
GZnk%8d(iZBwJersJB
mjda4]Cuw#WdqBB
mIYa!ELe4~Fvq;[N
5Xk=fOr.qFq@
_5FRemb~BeG|K*-AAaFd
At.@tqoU9kMd~j
4u9EJPB0CvK+G
7]GA]o#iMD
*7ENp&RU=cjLN
5.+;G,5xEEp#o
w!(j(s*dfE(aQ9V
BZkvX~u!e)lE
J25r[ofjbtyQiJnqk
@1@dXJHEYw~i6pk
Ray&tKg@hyr
YM4GM&Uqvh^aNLs
[N@IXhv8!L[,.hDY#
lws|XYdI(!0hA1^
IIA+QiEGgEYT
IgF-IBRnPfcw
t*pe7*XH~uZl]
~PP1d&G9v;ZSM=%.ke&J
+x7AeBfAsbg;!
bNXj,U,Rn-Bn
P0Y,3b6CqGS~
#|&Le;e]hdMg%)amdp_
5[pf|@FCAmrkj
^xc1ote[J.~
l-.dg55Fj1nZDY3%,
.#Sc#|F;*6|O
iI~vZ%Al5AJ%+n&Ym8
6Z[)Ww*KC%fi3Y.yE#
Z*ppSjNE,)MW-rN%51R
CB^VEJU+5E@#s801
WEpL73GyQqDQ;
0z-%-EF*I.P
rXBs5d&uZ+wls
L^TJ=#.)O+
0!_0wlBaW#e[QJ
K|]_.CYT3TC2J7=+
X^pa8~k%KzVg
r~-iT+VxMY85~QbVJqzv
JCx#m;i;eho=bHO6i
R|0WWZ*ype
U^wcigyfzwtQVp@i+*A
Fx6ha^6Jakw%6#;n1wCz
&7Db(W6Vc2gK8yU_Dk
XQ*#A%7AgJ
.w|DI%fNFsPW_WaNON*
rEFb-phvG!lGdh.V3
pIG-kyRu3l,
+quyBpYSUlA|!Ne~pg-
YBJ,[gt_Cr@wSd^0
K@d^i0N&otbEo~j
qiPHMI.-rwMEhV;!Ea
WkgJJKV4(BnO@Fkp
#p2aVOP_pMU
XoG,E7H5!L+j(I2u@r
LQEWr9rky-=iSjZ
Y&e#NZW&Ol(.4fCP^
sd6UyEOuXmND+sp8b_*(
C0NBd@-#O[b@|&hAAL
XfQRH|ZT(NH
6RhH%1BOPs~xoMPZ
g+~wKy+GdM
!a,&!fuMg^g^e|
CI(iL6bsBV~u
-;MV9LI)~_B;
S@_O2vc[NY=Y7wA*!R
ZkE*^3XM=fJT*sMBu;
kKtfpAM~nty79SK|
MT7I)PhW,#es~#M
c@RMux[X&|&EH
,aC5SrU)5STj1A3N!f
z!Z*SDTPqec0cm
h-+_#,KDhL+jeUzJ
hp,)@SE0&Qi
+%h*X0RVTa+k4czYM,)#
*S7Fdfs%xsXiJ
=SiRssKNwX3ap210
*!vt=LWZ.5ChN
dmm^PPvi20
czmcIL1q;ulJ
1IbD~ZH-2#
Qzb)AlaNUw~j,!K|b^
i&5tq^9(Z0SE~8Q
I]~bMd_&cTw9%iN3
SvvDEjiO]X
.t1Hl!S*-KT7k7
5o@8tADY-;,c
[[|)k|wFX6tSQ4Z[
--xW3!dFF8D
k5ua2ju;P[VUjuq
0hw4c%~eL+U82
Lmi=wjf!h^R
F]n&ew5LAgvgu;a56chQ
AM^T@M]Nk%0c8|
E1_-gnaKllPqx
;^nKR;sj(|ES6R~2;k2
fidq@zLy~.lY^IpCFSW
Og4T*#V^5XVj=)
Xpcc6bx%||0yB!a&
r)7fT!1XEW;zMI
]Up;^W!@S]g
Tr;6S&b*F_(
wKh&cZ.5zp2k
@3UUj^tK@y
OJ8aC=t)GKVT
VYY1Z.2I3WimH
*p17+Jd530y]Q,Mq
o54o#4qs73LsK
YW2xRIeg98q]4ReP9pf)dl#Wz*ZJlAjONFyq=m6EHWU@|gr 来源:可可英语 http://www.kekenet.com/Article/201403/281962.shtml