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(一) 一、选择题:(把正确的答案写在括号里) 1.如果十月份恰好有四个星期日,那么10月1日不可能是()。 (A) 星期二;(B) 星期三; (C) 星期四;(D) 星期五; (E) 星期六。 2.一个学生的前六次数学测验的平均分数是93分,他的前七次数学测验的平均分数是94分,那么他的第七次测验得的分数是()。 (A)96分 (B)97分;(C)98分; (D)99分;(E)100分。 3.把1000个1立方厘米的正方体合在一起,堆成一个边长是1分米的正方体,把这个大立方体的表面涂了红漆以后,再把大立方体分开为原来的1立方厘米的小立方体,这些小立方体中,至少有一面被涂上红漆的数目是()。 (A)600个;(B)520个;(C)488个; (D)480个;(E)400个。 4.一个两位数,交换它的十位数字和个位数字,所得的两位数是原数的7/4,则这样的两位数有()。 (A)1个;(B)2个;(C)4个; (D)无数多个;(E)不存在。二、从1—1987这些整数里,是3的倍数但不
(A) a multiple choice: (the correct answer is written in brackets) 1. If there are exactly four Sunday in October, then October 1 can not be (). (A) Tuesday; (B) Wednesday; (C) Thursday; (D) Friday; (E) Saturday. 2. The average score of the first six math tests for a student is 93 points and his average score for the first seven math tests is 94. His seventh test score is then (). (A) 96 points (B) 97 points; (C) 98 points; (D) 99 points; (E) 100 points. 3. Put together 1000 cubic centimeter cubes together into a cuboid with a side length of 1 meter. After painting the surface of this cuboid with a red paint, divide the cubes into 1 cubic centimeter Small cubes, the number of red cubes painted on at least one of these small cubes is (). (A) 600; (B) 520; (C) 488; (D) 480; (E) 400. 4. A double digit, exchange its ten digits and single digits, the resulting two digits is the original number of 7/4, then such a double digit (). (A) 1; (B) 2; (C) 4; (D) countless number; (E) does not exist. Second, from 1-1987 these integers are multiples of 3 but not