新GRE考试的改革，让许多考生们都感觉头疼，但是复习起来如果觉得难的话，不妨练习一下这些经典例题，一定会有所帮助的哦！
7 Z8 o9 J) b8 l/ C4 C- V9 c" ]1. The sum of n different positive integers is less than 100. What is the greatest possible value of n?
, z8 I$ Q' T( V7 E A.10 8 S8 m) a# D" q9 {9 d
B.11
& w; [& L' |$ H/ z2 v6 [ C.12 中华考试网(www．Examw。com)# R8 }6 S( p0 j+ T! s6 E! h3 d
D.13
7 A* ]. \6 _, l9 A E.14 0 V2 W- d. ]/ @' I* w
答案：D ! S& S8 j2 A+ W/ w, y1 n
2.If p is a prime number greater than 11, and p is the sum of the two prime numbers x and y, then x could be which of the following? - v3 m0 ^& O% K. }8 i
A.2
5 l; |: o- X+ b' o! y8 t1 ] B.5
5 x4 v8 }! `6 w: Y2 o6 t' A C.7 f0 f1 e9 d3 M. t
D.9 . Y/ \) y6 I7 |+ w2 i7 e; @$ c; M' _
E.13
8 p0 A( P' s' Z$ W 答案:A
! b5 x5 k/ \* h& D: P3.Of the positive integers that are multiples of 30 and are less than or equal to 360, what fraction are multiples of 12?
3 ^; I5 j @# O9 f ^% [: c3 M A.1/6
- R% {: C0 Z6 s" @4 }1 W. ~ B.1/5
2 A5 D" `# m% l& ^- N C.1/3
5 Z2 y! J( ?$ H$ ~7 @ C D.2/5 ( w6 \8 D" S6 I* N( ?( c
E.1/2 ; L8 l) g! h9 a3 h7 G- y( ~" o
答案:E ( k* L9 n* X$ h2 i+ p r
4.If x, y and z are consecutive integers and x
L9 A1 H8 Y- u" {( {+ K; E4 q: v (1). xyz is even. 4 g8 F& R& R) C6 N
(2). x+y+z is even. 5 H- ]# O( c G: k: x D
(3).(x+y)(y+z) is odd. 0 ] ^- b# F# O M$ e% H' S
A. None 8 |. g+ O3 {# z" ^" F+ x
B.(1) only
) J# W7 g6 M( p9 q8 x C.(2) only
' b( M7 H0 @+ b. r/ y: p D.(1)and(3)only 考试用书6 L% {* ]- g; K% ?4 p
E. (1),(2)and(3)
8 w( Y( n7 e$ V. x4 }6 u4 n+ d 答案：D . w5 k6 ^" s2 C
5.The product of two consecutive positive integers cannot be ) P, K' T5 e$ Q! Z. A
A. a prime number 2 _/ u7 D$ K3 u; X
B. divisible by 11 & M/ M5 k1 s: I
C. a multiple of 13 % V$ d$ U, @8 ]$ i+ V1 `: Y
D. an even number less than 10 , R6 \/ l4 e' j7 ~8 p
E. a number having 4 as its units digit. 2 f1 ^5 B% {2 H% B- I
答案：E |
发表于 2012-8-15 12:55:17
