GMAT考试易错题（2019/4/25）

第1题：(23-1)(23+1)(26+1)(212+1)= A、(224-1) B、 (224-1) C、(248-1) D、(296+1) E、26(212-1)

【单选题】： A     B     C     D

第2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. Is the triangle depicted above isosceles (Figure not necessarily drawn to scale.) (1) 180°-(a+c)=60° (2) a=2b-c

【单选题】： A     B     C     D

第3题： A、retailer sells 5 shirts. The first 2 he sells for $64 and $39. If the retailer wishes to sell the 5 shirts for an overall average price of over $50, what must be the minimum average price of the remaining 3 shirts A、$49.00 B、$49.67 C、$50.00 D、$51.33 E、$55.50

【单选题】： A     B     C     D

第4题： A、real estate developer has bought 1,872 acres of land on which to build a new neighborhooD、He plans to zone the area for roads, common area, and housing plots on a ratio of 2:3:8, respectively. If a planned lake will take up 16 acres of the common area, how many acres of the common area will be left over for the clubhouse and golf course A、128 B、144 C、416 D、432 E、450

【单选题】： A     B     C     D

第5题：The following questions present a sentence, part of which or all of which is underlineD、Beneath the sentence, you will find five ways of phrasing the underlined part. The first of these repeats the original; the other four are different. If you think the original is best, choose the first answer; otherwise choose one of the others. These questions test correctness and effectiveness of expression. In choosing your answer, follow the requirements of standard writtenEnglish; that is, pay attention to grammar, choice of words, and sentence construction.Choose the answer that produces the most effective sentence; this answer should be clear and exact, without awkwardness, ambiguity, redundancy, or grammatical error. Every lawyer knows that it is difficult to prove culpability in technically complicated lawsuits if there is a lack of some expert to testify about the complicated technical aspects. A、if there is a lack of some expert to testify B、unless there will be an expert who might testify C、should there be no testimony from an expert D、without an expert’s testimony E、lacking some expert to testify

【单选题】： A     B     C     D