LAST试题整理.docx

1、LAST试题整理LAST试题整理LAST试题整理(1)SECTION 1Time-35 minutes23 QuestionsQuestions 1-6A man buys three outfits-X, Y, and Z-each of which consists of two articles of clothing.Each of the articles of clothing is either brown grayornavy.At least one of the outfits is made up of two articles different in color fr

2、om one another. No more than two of the outfits contain the same combination of colors.Outfit X contains at least one navy article of clothing.Outfit X contains at least one brown article of clothing and does not contain a gray article.1. Which one of the following can be the colors of the mans outf

3、its?(A) X: gray and navy; Y: brown and gray; Z: gray and gray(B) X: brown and gray; Y: brown and navy; Z: gray and gray(C) X: navy and navy; Y: brown and brown; Z: brown and navy(D) X: brown and navy; Y: brown and navy; Z: brown and navy(E) X: navy and navy; Y: brown and brown; Z: navy and navy2. If

4、 outfits X and Y each consist of one brown article and one navy article of clothing, what combinations for outfit Z?(A) 2(B) 3(C) 4(D) 5(E) 63. If outfit Z does not contain two brown items of clothing, what is the maximum number of items of clothing in the three outfits that can be navy?(A) 1(B) 2(C

5、) 3(D) 4(E) 5 4. If outfit Y consists of two brown articles of clothing and outfit Z consists of two navy items, what is the total number of possible color combinations for outfit X?(A) 1(B) 2(C) 3(D) 4(E) 55. Which one of the following color combinations for outfit Z would be acceptable under any o

6、f the acceptable color combinations for outfits X and Y?(A) gray and gray(B) brown and gray(C) brown and brown(D) brown and navy(E) navy and navy6. If no two outfits contain the same color combination but each contains at least one navy item, which one of the following is a complete 17. If both Juli

7、o and Kevin enter the relay, then which one of the followingmust be false?(A) May and Norma enter the marathon.(B) May and Olivia enter the marathon.(C) Norma and Tamio enter the sprint.(D) May and Norma enter the sprint.(E) May enters the sprint and Tamio enters marathon.Questions 18-23Seven lights

8、-J,K, L, M, N, O, and P-have only two possible settings: onoroff. They are arranged on a particular electric circuit as follows.If K is on, L is off; if K is off, L is on.J and N cannot both be on.If M is off, either JorN is on; if either JorN is on, M is off.If P is on, L is on.If O is off, N is of

9、f; if O is on, N is on.Assume that the circuit is working as designed.18. Any of the following can be true EXCEPT:(A) J and O are both off.(B) K and N are both off.(C) (C) K and P are both on.(D) L and M are both on.(E) N and O are both on.19. If L and O are on, which one of the following must be tr

10、ue?(A) J is and K is off.(B) J is off and N is on.(C) K is off and M is on(C) K is off and P is on.(D) M is off and P is on.20. Which one of the following can be true?(A) Only J, K, and M are off.(B) Only J, L, and M are off.(C) Only K, M, and O are off.(D) Only L, N, and O are off.(E) Only M, N, an

11、d O are off.21. If P is on, what is the maximum number of lights that can be off?(A) 2(B) 3(C) 4(D) 5(E) 622. What is the minimum number of lights that must be on?(A) 0(B) 1(C) 2(D) 3(E) 423. If J is on, which one of the following could be a complete and accurate list of the remaining lights that ar

12、e also on?(A) K, L, and M(B) L, N, and P(C) L, O, and P (D) M, N, and O(E) L and P LSAT全真题2SECTION 1Time-35 minutes24 QuestionsQuestion 1-6Eight new students-R, S, T, V, W, X, Y, Z-are being divided among exactly three classes-class 1, class 2, and class3. Classes 1 and 2 will gain three new student

13、s each: class 3 will gain two new students. The following restrictions apply:R must be added to class 1.S must be added to class 3.Neither S nor W can be added to the same class as Y.V cannot be added to the same class as Z.If T is added to class 1, Z must also be added to class 1.1.Which one of the

14、 following is an acceptable assignment of students to the three classes?(A) R, T, Y V, W, X S, Z(B) R, T, Z S, V, Y W, X(C) R, W, X V, Y, X S, T(D) R, X, Z T, V, Y S, W(E) R, X, Z V, W, Y S, T2.Which one of the following is a complete and accurate list of classes any one of which could be the class

15、to which V is added?(A) class 1(B) class 3(C) class 1, class 3(D) class 2, class 3(F) class 1, class 2, class 3.3.If X is added to class 1, which one of the following is a student who must be added to class 2?(A) T(B) V(C) W(D) Y(E) Z4.If X is added to class 3, each of the following is a pair of stu

16、dents who can be added to class 1 EXCEPT(A) Y and Z(B) W and Z(C) V and Y(D) V and W(E) T and z5.If T is added to class 3, which one of the following is a student who must be added to class 2?(A) V(B) W(C) X(D) Y(E) Z6.Which one of the following must be true?(A) If T and X are added to class 2. V is

17、 added to class 3.(B) If V and W are added to class 1. V is added to class 3.(C) If V and W are added to class 1. V is added to class 3.(D) If V and X are added to class 1. V is added to class 3.(E) If Y and Z are added to class 2. V is added to class 2Question 7-12Four lions-F, G, H, J-and two tige

18、rs-K and M-will be assigned to exactly six stalls, one animal per stall. The stalls are arranged as follows:First Row: 1 2 3Second Row: 4 5 6 The only stalls that face each other are stalls 1 and 4, stalls 2 and 5, and stalls 3 and 6. The following conditions apply:The tigers stalls cannot face each

19、 other.A lion must be assigned to stall 1.H must be assigned to stall 6.J must be assigned to a stall numbered one higher than Ks stall.K cannot be assigned to the stall that faces Hs stall.7. Which one of the following must be true?(A) F is assigned to an even-numbered stall(B) F is assigned to sta

20、ll 1(c) J is assigned to stall 2orelse stall 3(D)J is assigned to stall 3orelse stall 4(E) K is assigned to stall 2orelse stall 48. Which one of the following could be true?(A) Fs stall is numbered one higher than Js stall(B) Hs stall faces Ms stall(C) J is assigned to stall 4(D) Ks stall faces JS s

21、tall(E) Ks stall is in a different row than Js stall9. Which one of the following must be true?(A) A tiger is assigned to stall 2(B) A tiger is assigned to stall 5(C) Ks stall is in a different row from Ms stall(D) Each tiger is assigned to an even-numbered stall(E) Each lion is assigned to a stall

22、that faces a tiger is stall10. If Ks stall is in the same row as Hs stall which one of the following must be true?(A) Fs stall is in the same row as Js stall(B) F is assigned to a lower-numbered stall than G(C) G is assigned to a lower-numbered stall than M(D) Gs stall faces Hs stall(E) Ms stall is

23、in the same row as Gs stall11. If J is assigned to stall 3, which one of the following could be true?(A) F is assigned to stall 2(B) F is assigned to stall 4(C) G is assigned to stall 1(D) G is assigned to stall 4(E) M is assigned to stall 512. Which one of the following must be true(A) A tiger is a

24、ssigned to stall 2(B) A tiger is assigned to stall 4(C) A tiger is assigned to stall 5(D) A lion is assigned to stall 3(E) A lion is assigned to stall 4Question 13-18On an undeveloped street, a developer will simultaneously build four houses on one side, numbered consecutively 1, 3, 5, and 7, and fo

25、ur houses on the opposite side, numbered consecutively 2,4, 6, and 8. Houses 2, 4, 6, and 8 will face houses 1, 3, 5, and 7, respectively. Each house will be exactly one of three styles-ranch, split-levelorTudor-according to the following conditions: Adjacent houses are of different styles.No split-

26、level house faces another split-level house. Every ranch house has at least one Tudor house adjacent to it. House 3 is a ranch house. House 6 is a split-level house. 13. Any of the following could be a Tudor house EXCEPT house(A) 1(B) 2(C) 4(D) 7(E) 814. If there is one ranch house directly opposite

27、 another ranch house, which one of the following could be true?(A) House 8 is a ranch house(B) House 7 is a split-level house.(C) House 4 is a Tudor house.(D) House 2 is a split-level house.(E) House 1 is a ranch house.15. If house 4 is a Tudor house, then it could be true that house(A) 1 is a Tudor

28、 house (B) 2 is a Tudor house (C) 5 is a Tudor house (D)7 is a Tudor house (E) 8 is a Tudor house 16. On the street, there could be exactly.(A) one ranch house(B) one Tudor house(C) two Tudor houses(D) four ranch houses (E) five ranch houses17. If no house faces a house of the same style, then it mu

29、st be true that house(A) 1 is a split-level house(B) 1 is a Tudor house(C) 2 is a ranch house (D) 2 is a split-level house(E) 4 is a Tudor house18. If the condition requiring house 6 to be a split-level house is suspended but all other original conditions remain the same, the any of the following could be an accurate list of the styles of houses 2, 4, 6, and 8, respectively, EXCEPT:(A) ranch, split-level, ranch, Tudor(B) split-level, ranch, Tudor, split-level(C) split-level, Tudor, ranch, split-level(D) Tudor, ranch. Tudor, split-level