Stations at which it is possible for N and O to be the only commuters getting
off the morning train include which of the following?
Ⅰ、?Station 3
Ⅱ、?station 4
Ⅲ、?Station 5
Ⅰonly
Ⅲonly
Ⅰand Ⅱ only
Ⅱ and Ⅲ
Ⅰ, Ⅱ, and Ⅲ
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答案:(D)
On a morning when no one gets off at station 1, and each of the five
commuters gets off at a different station, which of the following GANNOT
he true?
N gets off one station before Q.
P gets off one station before O.
M gets off at station 2.
N gets off at station 5.
Q gets off at station 6.
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答案:(D)
A new commuter, R, joins the group and gets off every morning at station 5.
On a morning when two commuters gets off at the same station and all other
commuters get off alone, which of the following could be the station at which
the two commuters get off?
Station 1
Station 2
Station 3
Station 4
Station 6
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答案:(C)
Two families are planning to go on a canoe trip together. The families
consist 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)
