【单选题】假设 hello. txt 文件的内容是 ABCDEF ,下列哪个是正确的 ? import java.io.*; public class E { public static void main(String args[]){ File file = new File("hello.txt"); try{ FileInputStream in = new FileInputStream(file...
【简答题】应用科技新成果,运用新原理,新技术,新工艺和新材料制造的市场上前所未有的产品是 ( )A. 改进产品B. 换代产品C. 模仿产品D. 全新产品
【简答题】对于消费者来说,只有应用科技成果,运用新原理、新技术、新工艺和新材料制造的市场上前所未有的产品,才是新产品。()
【简答题】请用“由果溯因法”解读下面文字,确定作文立意。 【2018年高考新课标卷】阅读下面的材料,根据要求写作。(60分) “二战”期间,为了加强对战机的防护,英美军方调查了作战后幸存飞机上弹痕的分布,决定哪里弹痕多就加强哪里。然而统计学家沃德力排众议,指出更应该注意弹痕少的部位。因为这些部位受到重创的战机,很难有机会返航,而这部分数据被忽略了。事实证明,沃德是正确的。 要求:综合材料内容及含意,选好角度...
【单选题】应用科技新成果,运用新原理,新技术,新工艺和新材料制造的市场上前所未有的产品是 ( )
【简答题】信息管理发展阶段的传统管理时期的核心是()
【单选题】假设 hello.txt 文件的内容是: ABCDEF , 下列选项正确的是 ( ) import java.io.*; public class E { public static void main(String args[]){ File file = new File("hello.txt"); try { FileInputStream in = new FileInputSt...
【简答题】Once there was a man who had two children, a boy and a girl. The boy was good-looking but the girl was not. One day they found a mirror for the first time and they saw what they looked like. The boy w...
【单选题】Which of the following statements is an appropriate summary of the original material?The boy looked at me sadly and said, “My parents want me to study computer science. But how do I know I’m good at i...
A.
The boy doubted whether computer science was his best choice.
B.
The boy told me that his parents wanted him to study computer science.
C.
The boy asked me what he should do if he did not like computer science.
D.
The boy wondered whether he was good at computer science.
【简答题】fileInputStream.read()返回值的是_______类型。