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Question11——15
, @1 }# q0 I: c0 e4 i4 ?# Z% N) vAgovernmentisassigningeachofsixembassyofficeworkers——Farr，Golden，Hayakawa，Inserra，Jones，andKovacs—toembassies.Therearefourembassies.EmbassiesLandMarelocatedincountrieswithdryclimates，wher easembassiesPandTarelocatedincountrieswithhumidclimates.Theofficeworkersmustbeassignedac cordingtothefollowingrules：2 \8 N- i1 ~4 K! d" J
Eachembassymusthaveatleastoneoftheworkersassignedtoit.Atleastoneembassyinahumidclimatem usthaveatleasttwoworkersassigned toit.GoldencannotbeassignedtothesameembassyasKovacs.Inserramustbeassignedtanembassyina dryclimates.Jonesmustbeassignedtoanembassyinahumidclimate.11.Whichofthefollowingisanaccep tableassignmentoftheworkerstotheembassies？
3 X$ h; {0 n/ W e; M, {3 ]- aLMPT（A）Farr，GoldenInserra，KovacsHayakawaJones
% q4 H E( N7 T+ S( i6 U（B）Golden，KovacsInserraJonesFarr，Hayakawa( N' }2 Q& h% b& t
（C）GoldenFarr，InserraKovacsJones，Hayakawa y. o; J G5 b& `
（D）JonesGolden，InserraHayakawaFarr，Kovacs
0 c" G$ N9 y' r" n; q3 _（E）KovacsFarr，HayakawaInserraGolden，Jones9 v- y; N; L, R1 O6 Z
12.WhichofthefollowingmustbeassignedeithertoembassyLortoembassyM？3 z9 ^ f' l! J6 W6 W% `
（A）Farr1 G H0 o* I' [+ T2 i" C- J% u
（B）Golden! t G) o9 C t" l' I
（C）Hayakawa
2 o$ j- s5 F3 e( }7 \（D）Inserra
% P% V/ a$ L! p* z（E）Kovacs( E e8 {3 h7 S$ M7 B: z
13.WhichofthefollowingCANNOTbetrue？
! u2 h; {) j5 J% N) y* B（A）OneworkerisassignedtoL.# X* D( h+ n, O4 g6 t
（B）TwoworkersisassignedtoP.4 W0 X2 M- \: ~1 e. T" }6 D
（C）TwoworkersareassignedtoL.# H6 B, d$ e0 X4 o+ W, o! B" I
（D）ThreeworkersareassignedtoM.
/ b8 X9 D) Y% M2 `/ ?0 n（E）ThreeworkersareassignedtoT. 6 V* i# T4 w+ z/ U0 E5 K
14.IfGoldenandKovacsareassignedtoLandM，respectively，whichofthefollowingmustbetrue？; N. q/ B. `' I+ m! `
（A）FarrisassignedtoeitherPorT.9 s: w. y0 Y0 \, x, R, j& V1 B6 L
（B）InserraisassignedtoeitherPorT.6 N- R2 Y0 q2 c
（C）PandTeachhavetwoworkersassignedtothem.
) T: n6 m Q$ G5 a/ ^$ p（D）HayakawaisassignedtoL.0 [. D% |4 n' |& T% v+ U
（E）HayakawaisassignedtoT.
_! ^9 f9 T0 T6 S1 S- ]6 ~( {15.IfGolden，Hayakawa，andKovacsareamongtheworkersassignedtoembassiesinhumidclimayes，whichofthefollowingmustbetrue？, w9 |0 E/ t) x& M$ g$ l9 o2 i
（A）Farrisassignedtoanembassytowhichnoneoftheotherfiveofficeworkersisassigned." @+ r8 J2 C5 ]; V: q9 P% G* c# K
（B）Goldenisassignedtoanembassytowhichnoneoftheotherfiveofficeworkersisassigned.: O$ L. y* H5 K- ?* |6 p0 F
（C）JonesisassignedtothesameembassyasGolden.
0 W" Y+ m1 N3 `6 p（D）HayakawaisassignedtothesameembassyasGolden.% m; n. t! p$ y2 F" D9 ]
（E）HayakawaisassignedtothesameembassyasKovacs. v( O3 ]3 w' I5 I; l
Question16——193 V) Q1 h* g" f
Avolunteerusesatrucktopickupdonationsofunsoldfoodandclothingfromstoresandtodeliverthemtoloc ationswheretheycanbedistributed.Hedrivesonlyalongacertainnetworkofroads.
, Q- \* m6 q1 X0 uInthenetworktherearetwo-wayroadsconnectingeachofthefollowingpairsofpoints：1with2，1with3，1with5，2with6，3with7，5with6，and 6with7.Therearealsoone-wayroadsgoingfrom2to4，from3to2，andfrom4to3.Therearenootherroadsinthenetwork，andtheroadsint henetworkdonotintersect.
# p1 y, Q/ e$ ~! G, m5 @8 _8 hTomakeatripinvolvingpickupsanddeliverirs，thevolunteeralwaystakesaroutethatforthewholetrippasse sthroughthefewestofthepoints1through7 countingapointtwiceifthevolunteerpassesthroughittwice.7 J( f! }7 i2 a/ |: j; D" z
Thevolunteer‘shomeisatpoint3.Donationscanbepickedupatasupermarketatpoint1，aclothingstoreatpoint5，andabak eryatpoint4.Deliveriescanbemadeasneededtoatutoringcenteratpoint2，adistributioncenteratpoint6，a ndashelteratpoint7.9 H* u. T5 j6 |0 Q" p( g7 j& |0 e! t
16.Ifthevolunteerstartsatthesupermarketandnextistogototheshelter，thefirstintermediatepointhisrpute passesthroughmustbe' }$ J( Y/ S$ l9 I2 A: q, a
（A）2
9 x }8 l8 s$ T( ?- T5 n2 H（B）3
8 i2 E. V8 Q- K! b) t（C）59 z, {7 T. k+ Z# T4 m4 e
（D）6
% ?4 C9 _* N5 ?* g6 ?% F4 k（E）7 |
发表于 2012-8-15 12:40:43
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