历年GRE考试真题精选系列四十
Two families are planning to go on a canoe trip together. The familiesconsist of the following people:
Robert and Mary Henderson and their three sons, Tommy, Dan, and William;
Jerome and Ellen Penick and their two daughters, Kate and Susan.
There will be three canoes, with three people in each canoe.
At least one of the four parents must be in each canoe.
At least one person from each family must be in each canoe.
If the two mothers ride together in the same canoe, and the three brothers
each ride in a different canoe, which of the following must be true?
Each canoe has both only male and females in.
One of the canoes has only females in it.
One of the canoes has only males in it.
The sisters ride in the same canoe.
The fathers ride in the same canoe.
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答案：(A)
If Ellen and Susan are together in one of the canoes, which of the following
could be a list of the people together in another canoe?
Dan, Jerome, Kate
Dan, Jerome, William
Dan, Kate, Tommy
Jerome, Kate, Mary
Mary, Robert, Tommy
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答案：(B)
If Jerome and Mary are together in one of the canoes, each of the following
could be a list of the people together in another canoe EXCEPT
Dan, Ellen, Susan
Ellen, Robert, Tommy
Ellen, Susan, William
Ellen, Tommy, Wiliam
Kate, Robert, Susan
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答案：(B)
If each of the Henderson children rides in a different canoe, which of the
following must be true?
ⅠThe Penick children do not rode together.
ⅡThe Penick parents do not ride together.
Ⅲ The Henderson parents do not ride together.
Ⅰonly
Ⅱonly
ⅠandⅡonly
Ⅰand Ⅲ only
Ⅰ,Ⅱ, and Ⅲ
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答案：(D)
I On one of the days of the trip, while the canoeists go over rapids, Jerome
chooses to go hiking with two of the children rather than canoeing, and there
are six people in the canoes, two in each canoe. If the other conditions still
hold for the canoeists, which of the following could be a list of the children
in the canoes?
Dan, Kate, Susan
Dan, Kate, William
Dan, Tommy, William
Dan, William. Susan
Susan, Tommy, William
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答案：(A)
M, N, O, P, Q, and R are perfectly straight one-way streets.
Each street in this group is parallel to two of the other streets in the group,
历年GRE考试真题精选系列四十
with no intervening parallel streets other than streets in the group.Each street in the group intersects three of the other streets in the group.
Traffic moves in opposite directions on alternate streets.
P and R intersect.
O and Q are parallel.
Traffic moves in the same direction on R and N.
Traffic moves south on M.
Traffic moves east on two of the streets.
Which of the following streets intersect?
M and R
N and M
O and P
Q and N
Q and P
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答案：(D)
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