Ⅱ 确定句中term的词类和词义，并将句子译成汉语
2. There are six terms on the right side of the equation.
这个方程式的右边有六项。（“term”作名词，译为“项”）
4. These terms are called mean terms.
把这些项称为中间项。（“term”作名词，译为“项”）
6. The above statement is termed Ohm's law.
把上面的陈述称为欧姆定律。（“term”作动词，译为“把……称为”）
Ⅲ 在句子的空白处填上适当的介词，并将句子译成汉语
2. They are quite familiar with magnetic induction.
他们对电磁感应相当熟悉。
4. The chapter reviews some basic concepts already familiar to students.
许多学生已经很熟悉这些章节复习一些基本概念。
many Ⅳ 画出各句中的动词不定式短语并说明其在句中的语法作用， 并将句子译成汉语
2. Metals have the ability to conduct electric current.
金属可以导电。 （不定式作定语修饰“the ability”）
4. To sterilize an object means to kill every living microorganism on it.
给物体消毒意味着杀死在它上面的所有活着的微生物。（前一个不定式作主语，后一个不定式作宾语）
6. This unit is used to store the program to be executed.
执行存储程序的单元。（前一个不定式作主语补足语，后一个不定式作宾语）
8. By means of the calculus we will find it possible to find the area between curves.
我们将会发现用微积分的方式容易算出曲线间的面积。（不定式作宾语）
10. It will not be necessary to calculate the component of the velocity perpendicular to the magnetic field.
计算垂直于磁场的速度分量是没有必要的。
12. The first country to use paper is China.
中国是第一个使用纸的国家。（不定式作定语）
14. Some kind of object will return a sufficiently strong signal to be detected.
被监测到的某些物体将会返回一个足够强的信号。（不定式作定语）
Ⅴ 翻译短语
1. A. 发射无线电波的设备
the equipment to send out radio waves
B. 利用无线电波探测目标
to detect objects by means of radio waves
C. 它们中间的一部分
a part of them
2. A. transmit intelligence by radio
用无线电发射信息
B. obtain a good reflection of radio waves from object
从目标那儿获得无线电波的良好反射
C. less than the dimensions of the object
小于目标的尺寸
Ⅵ 将句子译成英语（划线部分要求使用动词不定式）
2. 发射无线电波的设备称为发射机。
The equipment to send out radio waves is called transmitter.
4. 设x。等于零。
Let x。be equal to zero.
6. 要使用的方程式都在这一页上。
The equation to be used is on this page.
8. 为了理解电子学，我们必须学好数学和物理。
In order to understand electronic，we must learn mathematics and physics well.
写出用来表示下列词的前缀：
101：deca
102: hecto
103： kilo
106: mega
109: gagi
1012: tera
10-1: deci
10-2: centi
10-3: milli
10-6: micro
10-9: nano
10-12: pico
给下列单词下定义：
1. Motor：a device that uses electricity，petrol/gas，etc. to produce movement and makes a machine, a vehicle, a boat,etc.work
2. T.V：a device that it will show distance scene by radio and we will watch it clearly
3. Mobile phone：a telephone that does not have wires and works by radio，that you can carry with you and use where
4. Resistor：a device that has resistance to an electric current in a circuit
5. Computer：an electronic machine that can store，organize and find information，do calculations and control other machines
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