出个题让大家做做(ZT)

Musicians perform each of exactly five pieces ----Nexus, Onyx, Synchrony, Tailwind, and Virtual ----once, and one at a time; the pieces are performed successively (though not necessarily in that order). Each piece is performed with exactly two instruments: Nexus with fiddle and lute, Onyx with harp and mandolin, Synchrony with guitar and harp, Tailwind with fiddle and guitar, and Virtual with lute and mandolin. The following conditions must apply:

Each piece shares one instrument with the piece performed immediately before or after it (or both).

Either Nexus or Tailwind is performed second.


Question 1:

Which one of the following instruments CANNOT be shared by the third and fourth pieces performed?

A) fiddle

B) guitar

C) harp

D) lute

E) mandolin

Question 2:

If each piece (except the fifth) shares one instrument with the piece performed immediately after it, then which one of the following could be true?

A) Virtual is performed first

B) Synchrony is performed second.

C) Onyx is performed third.

D) Nexus is performed fourth.

E) Tailwind is performed fifth.

飞叶

选择题哦，我赌
1.A,2.C

Asurahyde

呵呵﹐這可難倒我這個不太靈光的腦袋咯。。。

答對的我會加分﹗

cyclop

1---A
2---A (B的选择不是多余的吗，问题已经排除掉B了）

四个可能性的排列
V，N，T，S，O
T，N，V，O，S
S，T，N，V，O
N，T，S，O，V

[ Last edited by cyclop on 15-1-2005 at 11:17 PM ]

飞叶

呀，我看错题目了。。。我说是赌，实乃回答问题也。不过既然看错题目，那就也算是输了。我就赌我一口气，我现在呼气了，各位接着。

cyclop兄的解如当头棒喝，当是A,A

sotsot

哈哈！！
两个答案是都是 A 。

fantasy渊

楼主，谢谢分享

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多普勒效应


[ 本帖最后由 多普勒效应 于 6-8-2006 11:58 PM 编辑 ]