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【简答题】
阅读理解。 Many people like to search the Internet. Exploring the Internet is one of the most important activities of the day. The Internet brings the outside world closer to people's homes. Some people say the world is smaller than before because of the Internet. What's going on in other countries? How do people live in places far away? Is there a good sports game so mewhere? What's the life in the deepest part of sea? If you want answer all these questions, just come to the Internet. Of course, people can also learn through reading or listening to the radio. But with the Internet they can learn better and more easily. A lot of information can be collected at a great speed. Can we go shopping without leaving home? Can we see a doctor without going to the hospital? Can we study without going to school? Can we draw money without going to bank? All these things seemed to be impossible, but now they have become quite possible. The Internet helps us open our eyes. The Internet also helps open our minds. The Internet often gives us new ideas. In a word, it helps us in many ways. Great changes have taken place in our life since the appearance of the Internet. 1. Some people say the world is smaller than before because _____________ . [     ] A. all people kike to search the Internet. B. the Internet makes the earth smaller in size C. the Internet brings the outside world closer to them 2. The sentence 'The Internet also helps us open our mind.' means _______ . [     ] A. the Internet is new to us B. something is wrong with our minds C. we can learn more with the help of the Internet 3. We can't ________ through the Internet. [     ] A. know a good sports match somewhere B. cook the meal C. know a lot of information 4. This passage has told us __________. [     ] A. it's helpful to explore the Internet B. not to explore the Internet any more C. to stop reading and to explore the Internet 5. Which of the following sentences is Not true? [     ] A. The Internet can get the information faster than reading B. Without leaving home, we can get money from the bank by radio C. People can learn better and more through the Internet
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【简答题】编程实现一元二次方程求解,要求从屏幕输入三个系数, 程序判断是否是一元二次方程,如果是二次方程,则求出该方程的根(包括虚数根), 否则利用循环继续接收下一组三个系数。如果碰到#则退出循环。
【简答题】作业3:求解一元二次方程的实根(假设 ),用scanf输入a、b、c数据。 请给出运行结果截图。
【单选题】依法必须公告其财务会计报告的公司是( )。
A.
有限公司
B.
公开发行股票的股份公司
C.
股份公司
D.
所有不同种类的公司
【判断题】多考证反正对自己又没有害处,可以不分情况地随便乱取证。
A.
正确
B.
错误
【判断题】如果需求曲线向右下方倾斜,则供给曲线向右移动将提高均衡价格和均衡数量。( )
A.
正确
B.
错误
【简答题】作业3:求解一元二次方程的实根(假设 ),用scanf输入a、b、c数据。 请写出源程序。
【多选题】下列关于分离式配筋说法正确的有( )?
A.
分离式配筋是指板支座和跨中截面的钢筋全部各自独立配置
B.
用钢量大,板的整体性差
C.
设计、施工简便
D.
实际工程中应用较多
【单选题】种商品的需求曲线向右下方倾斜,如果其供给曲线向左移动则会引起
A.
均衡数量增加,均衡价格下降
B.
均衡数量减少,均衡价格下降
C.
均衡数量减少,均衡价格上升
D.
均衡数量增加,均衡价格上升
【简答题】定时器1的最大定时时长是 秒
【单选题】关于实现时长1秒的定时器的说法错误的是:
A.
1秒时间太短,无法直接实现
B.
1秒时间太长,无法直接实现
C.
可以用20次50毫秒定时中断累积实现
D.
可以用1000次1毫秒定时中断累积实现
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