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【简答题】
码间串扰是指什么?若系统总特性为H(w),系统传码率为4/T s ,则无码间串扰的条件是什么?改善码间串扰的措施有哪些?
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举一反三
【单选题】Which of the following is NOT TRUE according to the passage? 细节题
A.
We will be in trouble if our far cells become less responsive to insulin.
B.
More and more studies are done to study the link between sleep and weight.
C.
More than 20% of Americans are not getting enough sleep.
D.
Fat cells are there to help us maintain a good health.
【简答题】The ______(细节)of the plan are still being worked out.
【单选题】What is the purpose of this passage? (细节题)
A.
To introduce how the Hydrapulper deals with garbage.
B.
To tell what the writer thinks of the idea of getting rid of solid wastes.
C.
To explain why garbage should be recycled.
D.
To describe an experiment in which a Hydrapulper is used.
【单选题】Why did Tim find a part time job?
A.
To have more experience
B.
To help his family go through financial difficulties
C.
To help his father in businee
【单选题】Why did Tim find a part-time job?
A.
To have more experience.
B.
To help his family go through financial difficulties.
C.
To help his father in business.
【单选题】矿藏和原始森林属于()。
A.
劳动对象
B.
劳动资料
C.
生产工具 生产工具
D.
人们劳动的生产物
【判断题】"使用(int)a;将float型变量a强制转换成int型,以后a的数据类型为int型。"
A.
正确
B.
错误
【单选题】使用数据类型名称转换方法将双精度浮点型变量转换为单精度浮点型变量,以下正确的是( )
A.
double c=1.5;     b=(float)c;
B.
int c=1.5;     b=(float)c;
C.
float c=1.5;     b=(double)c;
D.
string c="1.5";     b=(float)c;
【简答题】The full d of the agreement haven't been made public. ( 详情;细节 )
【判断题】矿藏和原始森林属于劳动资料。
A.
正确
B.
错误
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