求解此逻辑题(English):请给出解题思路(中文)

问题描述:

求解此逻辑题(English):请给出解题思路(中文)
Each of five students,Christina,Bernie,Isreal,Jamie,and Angela,will be assigned to give a report on one the following plays:Merchant of Venice,Othello,King Lear,Hamlet,and Richard lll.Each student must report on exactly one play and no two students report on the same play.The reports are presented over a five-week period,one each week,with week one being the earliest week.The following conditiongs apply:
Jamie gives her report sometime after the report on King Lear is given and sometime before Christina gives her report.
The report on Othllo is given somentime after Angela gives her report.
Angela does not give the first report.
Neither Othello nor Merchant of Venice is the subject of the last report.
1.Which of the following could be a complete and accurate list from first to last of the order in which the students give reports?
A Bernie Jamie Israel Angela Christina
B Bernie Israel Angela Christina Jamie
C Israel Angela Jamie Christina Bernie
D Christina Jamie Israel Bernie Angela
E Israel Jamie Christina Angela Bernie
2 Which is a complete and accurate list of the students who could give the first report?
A Israel Jamie Angela Christina
B Bernie Angela Jamie Israel
C Bernie Angela Israel
D Israel Bernie
E Bernie Israel Jamie
6 If Israel reports on Hamlet and Bernie reports on Richard III,which of the following could be true?
A Jamie reports on King Lear
B Jamie reports on Merchant of Venice
C Angela reports on Merchant of Venice
D Bernie reports second
E Christina reports third
7 If the condition requiring Othello to be reported on sometime after Angela reports is changed to require Angela to give a report on Othello ande all other conditions remain the same,what is the maximum number of plays any one of which could be the subject of the first report?
A 1
B 2
C 3
D 4
E 5
1个回答 分类:英语 2014-10-04

问题解答:

我来补答
用c表示Christina ...
使用'm'表示Merchant of Venice ...
四个条件就可以写成下列不等式:
* c>j>'k' 推论:j>2,j=3,'k'≠c,'k'≠j
* 5>'o'>a>1 推论:a=2,'o'=3,a≠'o'
* 5>'m' 推论:'m'
 
 
展开全文阅读
剩余:2000