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【单选题】
微分方程的阶数是指A.
方程中未知函数的最高阶数；
B.
方程中未知函导数或微分的最高阶数；
C.
方程中未知函数的最高次数；
D.
方程中函数的次数 。
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反馈参考答案：
举一反三
【单选题】Java源程序中出现了如下代码:“public class ChatServer{...}”,则这个源程序的文件名应为:
A.
chatServer
B.
ChatServer
C.
chatserver
D.
以上都可以
【简答题】Translate the following paragraph into Chinese. The culture of any society is usually thought to be of two kinds: material and nonmaterial. Material culture includes the man-made phenomena which have ...
【简答题】BANK A : pick annoy play a role place emphasis accept help take care perspective feel an obligation BANK B : up with in on ...
【简答题】扰;侵扰(n.)
【单选题】Shell程序中的代码如下: select choice in white black red blue do echo $choice done 执行该程序时,用户输入1,该程序输出结果是( )。
A.
white
B.
black
C.
red
D.
blue
【判断题】Sir Walter Scott was among the first to draw upon religion as source material for his fiction and is generally cited as the father of the critical realism.
A.
正确
B.
错误
【单选题】In 10 th Paragraph, author expresses his attitude to material life:
A.
He prefers relationships rather than stuff.
B.
He wants a good material life as a human being.
C.
Good material can make life easy and convenient.
D.
He dose not want good material because the pressure is so big.
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