3.Which of the following can be the week's telephone duty schedule?
Monday Tuesday Wednesday Thursday Friday
(A) George George Hilda George Hilda
Hilda Irene Irene Hilda Irene
(B) George Hilda George Hilda George
Hilda Irene Hilda Irene Irene
(C) George Hilda George George George
Irene Irene Hilda Hilda Hilda
(D) Hilda Hilda George George Hilda
Irene Irene Hilda Hilda Irene
(E) Hilda Hilda George George George
Irene Irene Hilda Irene Irene
4.If Hilda has telephone duty for exactly two days of the week, which of the following must be true?
(A)George and Irene have telephone duty together on Wednesday.
(B)George and Hilda have telephone duty together on Friday.
(C)Hilda and Irene have telephone duty together on Wednesday.
(D)Hilda and Irene have telephone duty together on Friday.
(E)Irene has telephone duty for exactly three days of the week.
5.If Hilda and Irene have telephone duty together on Monday and on Wednesday, which of the following must be true?
(A)George and Hilda have telephone duty together on Friday.
(B)George and Irene have telephone duty together on Friday.
(C)George has telephone duty on exactly three of the days of the week.
(D)Hilda has telephone duty on exactly three of the days of the week.
(E)Irene has telephone duty on exactly three of the days of the week.
6.If George and Hilda have telephone duty together on Monday and George and Irene have telephone duty together on Friday, any of the following can be true
EXCEPT：
(A)George and Hilda have telephone duty together on Wednesday.
(B)George and Irene have telephone duty together on Wednesday.
(C)George has telephone duty for four days of the week.
(D)Irene has telephone duty for four days of the week.
(E)Hilda and Irene have telephone duty together for two days of the week.
7.If there is one pair of employees who have telephone duty together for three of the five days, which of the following must be true?
(A)George has telephone duty on Wednesday.
(B)George and Hilda have telephone duty together for three days of the week.
(C)Hilda and Irene have telephone duty together for three days of the week.
(D)One of the three employees has telephone duty for exactly two days of the week.
(E)Exactly one of the workers has telephone duty for exactly three days of the week.
8.Any of the following can be true EXCEPT：
(A)One pair of employees has telephone duty together for exactly one day of the week
(B)One pair of employees has telephone duty together for exactly four days of the week
(C)The pair of employees that has telephone duty together on Monday also has telephone duty together on Wednesday
(D)The pair of employees that has telephone duty together on Tuesday also has telephone duty together on Wednesday英语作文
【在百度搜索更多与“美国GRE出国考试模拟试题9(2)”相关英语作文】