GMAT考试易错题（2019/8/14）

第1题：The following data sufficiency problems consist of a question and two statements, labeled (1) and (2), in which certain data are given. You have to decide whether the data given in the statements are sufficient for answering the question. Using the data given in the statements plus your knowledge of mathematics and everyday facts (such as the number of days in July or the meaning of counterclockwise), you must indicate whether A、Statement (1)ALONE、is sufficient, but statement (2) alone is not sufficient. B、Statement (2)ALONE、is sufficient, but statement (1) alone is not sufficient. C、BOTH statements TOGETHER are sufficient, but NEITHER statementALONE、is sufficient. D、EACH statementALONE、is sufficient. Ｅ. Statements (1) and (2) TOGETHER are NOT sufficient. If x is an integer, is [*] an integer (1) 18＜x＜54 (2) x is a multiple of 18

【单选题】： A     B     C     D

第2题： A、certain lab experiments with white and brown mice only. In one experiment, 2/3 of the mice are white. If there are 13 brown mice in the experiment, how many mice in total are in the experiment A、39 B、33 C、26 D、21 E、10

【单选题】： A     B     C     D

第3题：甲、乙二人各投篮一次，已知甲投中的概率为0.8，乙投中的概率为0.6，则甲乙二人恰有一人投中的概率是()． A．0.36 B、0.44 C、0.48 D、0.68 E、0.72

【单选题】： A     B     C     D     E

第4题：The following two questions refer to the following passage: A、prestigious private high school has made available to local families a tuition prepayment plan to ease the burden of paying the school’s hefty tuition when a student matriculates. The plan allows parents of children under three years old to reserve a spot for their child at the school by making a payment of one-fourth of the current annual tuition for the high school. The parents then make an identical payment every year for the next 15 years, and the student’s full four-year tuition is considered paid in full, regardless of how much the regular tuition payments have risen in the intervening years. Under which of the following circumstances would it be advisable for parents to take part in the prepayment plan A、If the school assures parents that participation in the prepayment plan will be taken into consideration when the school admissions council makes decisions about which first-year students to admit to the school B、If the parents are certain that their child will attend this high school, and if the rate of tuition increase would surpass the rate of return that the parents could earn if they invested the same 16 payments in interest-bearing investments of their own choosing C、If the children of other parents who have taken part in the prepayment plan have been successful at the high school and gone on to enroll at Ivy League universities D、If the parents feel that this high school will provide the best educational, athletic, and social experience that their child could receive E、If the school can guarantee that its level of prestige at the time of the student’s matriculation will be as great as or greater than its current level

【单选题】： A     B     C     D

第5题： A、coed soccer team has W women and M men on the team. If 4 women and 2 men are added to the team roster, and if one person on the team is selected at random to serve as team captain, then the probability that the team captain will be a woman can be represented as

【单选题】： A     B     C     D