LSAT 考试|LSAT的逻辑组题（三）b

Questions 18-24
During a four-week period, cach of seven previously1 unadvertised products-
G, H, J, K, L,
M, and O-will be advertised. A different pair of these products
will be advertised each week. Exactly one of the products will be a member of
two of these four pairs. The following constraints2 must be observed:
J is not advertised during a given week unless H is advertised during the
immediately precceding week.
The product that is advertised during two of the weeks is advertised during
week 4 but is not advertised during week 3
G is not advertised during a given week unless either J or else O is also
advertised that week.
K is advertised during one of the first two weeks
O is one of the products advertised during week 3
18. Which one of the following could be the schedule of advertisernents?
week 1: G, J; week 2: K, L; week 3: O, M; week 4: H, L
week 1: H, K; week 2: J, G; week 3: O, L; week 4: M, K
week 1: H, K; week 2: J, M; week 3: O, L; week 4: G, M
week 1: H, L; week 2: J, M; week 3: O, G; week 4: K, L
week 1: K, M; week 2: H, J; week 3: O, G; week 4: L, M
19. Which one of the following is a pair of products that CANNOT be advertised
during the same week as each other?
H and k
H and M
J and O
K and L
L and M
20. Which one of the following must be advertised during week 2?
G
J
K
L
M
21. Which one of the following CANNOT be the product that is advertised during
two of the weeks?
G
H
K
L
M
22. If L is the product that is advertised during two of the weeks, which one
of the following is a product that must be advertised during one of the weeks
in which L is advertised
G
H
J
K
M
23. Which one of the following is a product that could be advertised in any of
the four weeks?
H
J
K
L
O
24. Which one of the following is a pair of products that could be advertised
during the same week as each other
G and H
H and J
H and O
K and O
K and O
M and O