1 / 7常用数学术语的英语表达：常用数学术语的英语表达：1 立方 one cubic1 平方米 one square metre几何 geometry点 point线 line面 plane直线 a straight曲线 curved line近似值 an approximate value垂直线 a vertical水平线 a horizontal line三角形的底 the base of a triangle三角形的两个腰 the two sides of a triangle直角 a rigt angle锐角 an acute angl钝角 an obtuse angle长方形 a rectangle正方形 a square多边形 a polygon圆心 the centre of a circle圆的直径 the diameter of a circle圆的半径 the radius of a circle半圆 a semicircle 弧 an arc圆柱体 a cylinder球体 a spheroid常用加减乘除的英语表达：常用加减乘除的英语表达：四加五等于九 If you add 4 to 5, you get 9.或：If you add 4 and 5, you get 9.五与四的和是九 4 and 5 are / make 9. 或：The sum of 5 and 4 is 9.或：Four plus five equals nine.五减二等于三 If you take 2 from 5, you get 3.或：5 minus 2 equals 3.五与二之差为三 The difference between 5 and 2 is 3.二乘三等于六 2 times 3 is / equals 6.或：3 multiplied by 2 equals 6.二与三的积为六 The proudct of 2 and 3 is 6.六除以二等于三 If you divide 6 by 2, the answer is 3. 或：If you divide 2 into 6, the answer is 3. 或：6 divided by 2 equals 3.比较两个数字大小的英语表达：比较两个数字大小的英语表达：6 大于 5 6 is greater than 5.或：6 is more than 5.6 小于 7 6 is less than 7.2 / 7平方、立方及四次方的英语表达：平方、立方及四次方的英语表达：3 的平方等于 9 The square of 3 is 9.3 的立方等于 27 The cube of 3 is 27.3 的四次方等于 81 The fourth power of 3 is / equals 81.平方根立方根的英语表达：平方根立方根的英语表达：9 的平方根为 3 The square root of 9 is 3.27 的立方根为 3 The cube root of 27 is 3.正比反比的英语表达：正比反比的英语表达：A 与 B 成正比 A is in direct proportion to B.A 与 B 成反比 A is in inverse proportion to B.两直线平行或垂直的英语表达：两直线平行或垂直的英语表达：直线 AB 平行于直线 CD Line AB is parallel to Line CD直线 AB 垂直于直线 CD Line AB is perpendicular to Line CD加 plus 减 minus 乘 multiply 除 divide 分母 denominator 分子 numerator 平方 square 平方根 square root 二分之一 one half 二分之三 two thirds 三分之四 three fourth 内角 interior angle 锐角 acute angle 钝角 obtuse angle 周角 a complete revolution 直角 right angle 圆周 circumference 圆心 center 半径 radius 直径 diameter 弧 arc 弧度 degree of an arc 比 ratio 三点一 three point one 面积 area 体积 volume 长度 length 分数 fraction 小数 decimals 表格 table 图表 graph 素数 prime number 负数 negative 自然数 natural number 代数 algebra 方程/等式 equation 等腰三角形 isosceles triangle 等边三角形 equilateral triangle3 / 71、In 2004, 16 June falls on a Wednesday. On what day of the week will 16 June fall in 2010?2、 In a magic square the sum of the numbers in each row, in each diagonal and in each column are equal. In this magic square the value of x is:3、If half of a number is 30, then three-quarters of that number is_.4、The sum of the digits of the following product9995555、Three positive integers have a sum of 28. The greatest possible product that these integers can have is_.6、Jack was trying to tessellate regular pentagons. He managed the following figure. The size of angle .a. is_.7、If the area of the shaded region of the regular hexagon in the diagrambelow is 36 cm2, the area of the whole hexagon in cm2 is_.8、In what follows, and are different numbers.When 503 is divided by the remainder is 20.When 503 is divided by the remainder is 20.When 493 is divided by x the remainder is_.9、A lady, her brother, her son and her daughter (all related by birth) played volleyball. The worst players twin (who is one of the four players) and the best player are of opposite *.The worst player and the best player are of the same age.Who cannot be the worst player(s)?A) brother only B) daughter onlyC) son and daughter only D) lady and daughter onlyE) lady only10、If you continue the given number pattern, in what row and in what positio n in that row will the number 320 be?1 - row 12 3 - row 24 5 6 - row 37 8 9 10 - row 44 / 7The answers are given in the order of row; position.（二）1、Did you know? In the decimal number system (base 10) ten different digits, 0 to 9 are used to write all the numbers. In the binary number system (base 2) two different digits are used, i.e. 0 and 1.Which one of the following numbers is not a valid number in the octal number system (base 8)?A) 128 B) 127 C) 126 D) 125 E) 1242、The number of diagonals that can be drawn in a regular polygon with twenty sides (icosagon) is_.3、If a and b are integers, 103=1,1527=3, and then 3796 is equal to_.4、Two numbers are in the ratio 2 : 3. When 4 is added to each number the ratio changes to 5 : 7.The sum of the two original numbers is_.5、The greatest number of Mondays which can occur in 45 consecutivedays is_6、Saul plays a video game in which he scores 4 for a hit and lost 6 for a miss. After 20 rounds his score is 30. The number of times he has missed is_.7、Three girls A, B and C run in a 100 m race. When A finishes, B is 10 mbehind A and when B finishes C is 20 m behind B. How far in metres was C from A when A finished?(Lets assume all the athletes run at a constant speed)8、The areas of the faces of a rectangulabox are 84 cm2 , 70 cm2and 30 cm2.The volume of the box in cm3 is_