升中衔接学科英语：小学数学（Math）与综合科学（IS）核心高频学术词汇与语块 练习
6 练习 · 4 跟读
跟读练习4
sum
和；总和
difference
差；差额
product
积；乘积
quotient
商；商数
练习题6
第 1 题 In mathematics, what is the result of adding two or more numbers called?
在数学中，把两个或多个数相加的结果叫什么？
『Sum』指加法运算的结果，例如 3 + 4 = 7，7 就是 sum。
'Sum' is the result of addition, e.g., 3 + 4 = 7, so 7 is the sum.
第 2 题 Which term means 'the result of subtraction'?
哪个术语表示『减法的结果』？
『Difference』是减法的结果，例如 9 - 5 = 4，4 就是 difference。
'Difference' is the result of subtraction, e.g., 9 - 5 = 4, so 4 is the difference.
第 3 题 In a science experiment, the variable that you change on purpose is called the ______.
在科学实验中，你故意改变的变量称为______。
『Independent variable』是实验中由实验者主动改变的变量；『dependent variable』是随之变化的结果；『control variable』是保持不变的变量。
The 'independent variable' is the one you change on purpose; the 'dependent variable' is the outcome that changes; a 'control variable' is kept constant.
第 4 题 Which phrase best describes 'a fair test' in science?
哪个短语最能描述科学中的『公平测试』？
公平测试只改变自变量，其他变量保持不变，这样才能确定因果关系。
A fair test changes only the independent variable while keeping all other variables constant, so you can identify cause and effect.
第 5 题 In a science report, which section would you write 'The plant grew taller in sunlight'?
在科学报告中，你会把『植物在阳光下长得更高』写在哪一部分？
『Result』部分用来描述实验中观察到或测量到的数据和现象。
The 'Result' section describes the data and observations from the experiment.
第 6 题 Which of the following is the best definition of 'volume' in science?
以下哪项是科学中『体积』的最佳定义？
『Volume』指物体所占的空间大小；『mass』才是物体所含物质的多少。
'Volume' is the amount of space an object occupies; 'mass' is the amount of matter in an object.