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【简答题】
______是指一个类的定义可以基于另外一个已经存在的类,即子类基于父类,从而实现父类代码的重用。
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举一反三
【简答题】根据下列材料请回答 60~ 题: 第 60 题 When she took a mop from the small room what mum really wanted to do was___
【简答题】请根据下面的短文回答第 56~60 题: 第 56 题 What kind of exercise burns the most calories according to the chart?
【单选题】The______of electrical energy into thermal energy is a process that is easily carried out at 100% efficiency.
A.
conversion
B.
convention
C.
conversation
D.
version
【多选题】策划如何实现质量目标时应确定()
A.
采取的措施及所需要的资源
B.
相关职责
C.
时间要求
D.
如何评价结果
【判断题】当被测电压很高时,无法直接测量电压,此时要采用高压分压器来分出一小部分电压,然后利用静电电压表、峰值电压表、高压脉冲示波器等测量仪器进行测量。
A.
正确
B.
错误
【单选题】肋骨骨折多见于
A.
第1~3肋骨
B.
第4~7肋骨
C.
第7~9肋骨
D.
第8~10肋骨
【单选题】When energy is converted from one form to another, some energy is always lost as heat.( ), no energy is over 100% efficient.
A.
In other terms
B.
In other words
C.
In another way
D.
In some way
【单选题】根据下列材料请回答 60~63 题: 第 60 题 What is most special about Versailles according to the writer?
A.
The blurred images reflected on the windows.
B.
The number of French customers.
C.
The expensive Cuban food.
D.
The walls of mirrors.
【单选题】Which of the following statements concerning energy is correct?
A.
Energy can be created or destroyed
B.
Energy may not be transformed
C.
The total quantity of energy in the universe is always the same
D.
None of the above
【简答题】听下面一段材料,回答 17~20 题。 第 17 题 What should the students bring with them to the exam?
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