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A sales representative plans to visit each of six companies—M, N, P, Q, R ( q# A( ?- G7 ]+ X+ q( l
and S—exactly once during the course of one day. She is setting up her ) N) Z: U& `( D- E' E
schedule for the day according to the following conditions: 6 p5 D# [5 i2 @7 f
She must visit M before N and before R..
9 ^1 L1 h' t% `" P- {* x0 x, K She must visit N before Q. : S/ d' r I3 V' h- w# g
The third company she visits must be P. : V) N/ s2 t8 p& `( Q
Which of the following could be the order in which the sales representative : j" z/ U6 o9 N- y0 ^1 i* C
visits the six companies? ) H+ I' r& M! ~$ u, r; h
M, R, N, Q, P, S
4 }/ A* w; @; I, `3 w Z M, S, P, N, R, Q
- C {) l6 E8 e0 W; B P, R, M, N, Q, S
- i% o$ y, ^, A# ]( k* x1 N2 [) [8 H P, S, M, R, Q, N ; V, \- @: \" X6 o
Q, N, P, R, S, M ( S' b+ L; r. j9 ]
' K, i4 U! s$ ? F8 Q
————————————————————————
3 V8 ]5 F! {9 s0 C* k0 R/ n答案：(B)
0 U+ }- C* }8 W# ]: t' |
, h' Y5 e% Q3 N. s5 V# JWhich of the following must be true of the sales representative’s schedule
9 G+ {/ {# w% x7 e5 l+ lfor the day?
! J$ Z, l W) Y5 ?* i" [1 r She visits M before Q. % O0 I+ s" S* _( {4 S
She visits N before R.
# z8 c% A# U2 i# ~0 Q She visits P before M. % G0 d4 y# m/ G7 k$ A
She visits P before S. $ Y( Y/ f1 }( N; E
She visits Q before R.
3 ?( f* j p+ M$ w6 z3 G
2 q- {9 C- I0 v* I" D0 {4 R———————————————————————— ) |1 \- J- M7 v. J# P6 j8 q
答案：(A) ' _) o. z! Y. G7 D
+ [ ^) p" E- }
If the sales representative visits S first, which company must she visit 1 H, k$ L( L' f( k3 ~# @9 U
second? 2 a7 i$ U3 A! c9 ^
M
( L) E( g; h7 Z' Z, C; S+ [( P N
- Z# K2 h6 m% u P * E/ E6 R* X' e5 T0 e
Q + D) i/ l2 q- c6 ~4 f
R ! a! L1 @0 t D+ l4 u
- J! q* C; O! m
———————————————————————— - k' d' ~% R. x% l) V3 G
答案：(A) - k2 v; _6 n" q3 ?! Z
V f1 n1 |4 g# ?0 kWhich of the following could be true of the sales representative’s schedule?
! ?$ u1 _0 j2 A7 e/ ?6 W1 i0 B She visits M third.
w) i3 h& y8 ~% ]! Z: Z* X8 q She visits N sixth.
f. e* W7 o3 N* k: v She visits P first. ; n6 C( a N! o% s; }# U6 g
She visits Q second. # Z7 ^6 E: R& V+ Y7 X) u7 l$ T
She visits R sixth. ; i. c7 j9 |) y5 y7 ^/ A
! R9 u; B) i+ j8 [, v, [( ?) d———————————————————————— - x* B( Y# Y( A2 Z$ L8 t5 i/ D
答案：(E)
: Q) M" [4 I) p* i* G4 ?4 U+ x
% ~/ W. G& K! \. xIf the sales representative visits Q immediately before R and immediately - O# c; q7 ~6 x' I- a1 X& W
after S, she must visit Q & Q9 C* ]* ^8 H7 q5 |5 g
first
/ p. x' q" k+ H' r+ M. x7 a8 b; D+ _ second * p1 \4 {( R! k/ u
fourth
2 r" U. Z$ Y1 k; v4 E' [1 ^ fifth
9 m9 M8 t. O6 `: C sixth
3 t$ c" C3 a2 d7 i
: i# L! ~& N! X& T4 B———————————————————————— ' h# C+ l: j$ I- C( j* K, V
答案：(D) |
发表于 2012-8-15 12:45:20
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