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【单选题】
被称为美国精神护理人员的先驱者的是A.
南丁格尔
B.
琳达·理查兹
C.
恩格尔
D.
克雷培林
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反馈参考答案：
举一反三
【单选题】带缓冲区的字符型输入流类BufferedReader继承字符型输入流类Reader，然后扩展了下列哪个方法？（ ）
A.
ready()
B.
read()
C.
close()
D.
readLine()
【单选题】带缓冲区的字符型输入流类 BufferedReader继承字符型输入流类Reader,然后扩展 了( )方法。
A.
ready ( )
B.
read( )
C.
close( )
D.
readLine()
【单选题】Economic profit
A.
is a theoretical measure of a firm’s performance and has little value in real world decision making.
B.
can be calculated by subtracting implicit costs of using owner-supplied resources from the firm’s total revenue.
C.
is negative when costs exceed revenues.
D.
is generally larger than accounting profit.
【简答题】本章所讲的流管道类隶属于的包名是()。 字节输入流的类是(),字节输出流的类是();字符输入流的类是(),字符输出流的类是(); 文件字节输入流的类是(),文件字符输出流的类是(); 字节数组输出流的类是(),字符数组输入流是(); 自带缓冲区的字符输入流是(),它可以一次读一行字符串的方法是()(只写方法名) 可以读取Java原始基本类型数据的输入流管道的类是(),它读取一个基本整型数的方法是(...
【简答题】固体分散体常用的载体材料主要有______、______和______三类。
【单选题】Economic profit is
A.
the difference between total revenue and the opportunity cost of all of the resources used in production.
B.
the difference between total revenue and the implicit costs of using owner-supplied resources.
C.
the difference between accounting profit and the opportunity cost of the market-supplied resources used by the firm.
D.
the difference between accounting profit and explicit costs.
【单选题】Economic profit:
A.
cannot be negative.
B.
can exceed the risk-adjusted normal rate of return.
C.
is less than the risk-adjusted normal rate of return.
D.
does not reflect the cost of owner-supplied inputs.
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