题目

为了了解高三学生的数学成绩，抽取了某班60名学生，将所得数据整理后，画出其频率分布直方图，如图所示．已知从左到右各长方形高的比为2∶3∶5∶6∶3∶1，则该班学生数学成绩在[80,100)之间的学生人数是( ) A．32       B．27 C．24       D．33 答案：DPrinceton University     LocationThe University is in Princeton, New Jersey. It is an hour's train ride south of New York City and an hour's train ride north of Philadelphia.     StudentsThere are 4,600 undergraduates （本科生）. There are also 1,900 graduate students, but Princeton is unusual among universities in having a student body made up largely of undergraduates. FacultyPrinceton has about 700 full-time faculty members （教员）. There are another 300 or so part -time faculty and visiting faculty. All faculty members at Princeton are expected to teach and research.      DegreesPrinceton offers two undergraduate degrees: the bachelor （学士） of arts （A.B.） degree and the bachelor of science in engineering （B.S.E.） degree.      Academic YearAn academic year runs from September to late May and lasts two terms （fall and spring）. A normal course load is four or five courses per term, although many students take extra courses.      ResidencesPrinceton provides housing for all undergraduate students. Freshmen and second-year students are required to spend their first two years in one of five colleges. Each college has its own dining hall, common rooms and computer centers.      Fees and Expenses （Academic Year 2004-2005）Tuition （学费）: $29,910Room and board: $ 8,387Other expenses （books, telephone, etc.）: $ 3,083Total: $ 41,38067. How many kinds of faculty members are there in Princeton University?  A. One.                 B. Two.                C. Three.                 D. Four.68. In Princeton University, an undergraduate will pay at least ________ for the Academic Year      2004-2005 besides tuition.  A. $ 41,380         B. $ 52,850              C. $11,470           D. $ 8, 38769. In what way is Princeton University different from other American universities according to the text?  A. It has five colleges.  B. Its students are mainly undergraduates.  C. It provides housing for all undergraduate students.  D. All the faculty members at Princeton are expected to teach and research.70. Which of the following is NOT true?A. Princeton offers two undergraduate degrees.B. An academic year lasts about nine months in Princeton University.C. Undergraduates should spend their first two years in one of five colleges.D. It's about an hour's train ride from Princeton University to the north of New York City.