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【简答题】
Energy pod: It was designed by a US company with NASA technology. It puts the human body in the best sleeping position and blocks outside noise to create an ideal napping experience. Silicon Valley high-tech companies such as Google provide the Pod for employees. White noise radio: White noise is a sound signal that contains equal power and frequency. Some radios provide white noise to mask other noises so that people can sleep without disturbance. High-tech sleepwear: A US-based company designs a nightgown with special fabric that stimulates blood flow to tired muscles helping one relax in deeper restorative sleep. Emu pillow: Inspired by emu that buried its head in sands when it’s scared, a type of pillow has been designed in China for office workers to take a nap, safe and sound. It turns the computer desk into a sleep hub with even two pockets to store the hands. 小题1:These are designed for those who . A.have enough sleep. B.are working for high-tech companies. C.are in poor health. D.are victims of sleeping sickness. 小题2:Which of the following is produced with the help of a kind of bird? A.White noise radio. B.Emu pillow. C.High-tech sleepwear. D.Energy Pod. 小题3:How do you probably get the information? A.From a book. B.From a radio program. C.From a newspaper. D.From a text message.
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【判断题】深液流栽培的特点是大部分根系浸没在营养液中,少部分根系裸露在空气中。
A.
正确
B.
错误
【单选题】完成二进制代码转换为十进制数的器件应选择( )。
A.
译码器
B.
编码器
C.
触发器
D.
寄存器
【单选题】设有如下程序 Private Sub Command1_Click() x=10:y=0 For i=1 To 5 Do x=x-2 y=y+2 Loop Until y>5 Or x Next End sub 运行程序,其中Do循环执行的次数是________。
A.
7
B.
3
C.
10
D.
15
【单选题】关于DriverManager和DataSource接口中getConnection()方法的区别,解释正确的是( )
A.
前者需要close(),而后者不需要close()
B.
DataSource的getConnection()每次都会创建新的数据库链接
C.
前者的close()是释放Connection,而后者的close()只会把Connection归还给连接池
D.
两者没有区别
【单选题】针入度是反映()石油沥青的粘滞度指标。
A.
固体
B.
液体
C.
半固体
D.
固体和半固体
【单选题】完成二进制代码转换为十进制数应选择的是?
A.
编码器
B.
译码器
C.
加法器
【单选题】如何更改break语句使退出inner和middle循环,继续外循环的下一轮? outer: for (int x = 0; x < 3; x++) { middle: for (int y=0; y < 3; y++) { inner: for (int z=0; z < 3; z++) { if (arr(x, y, z)==targetValue) break; } } }
A.
break inner;
B.
break middle;
C.
break outer;
D.
continue;
【单选题】针入度反映的是石油沥青的()。
A.
延度
B.
针入度
C.
软化点
D.
粘滞性
【判断题】经济学家认为,引起工资推动的通货膨胀和利润推动的通货膨胀的根源都在于经济中的垄断。
A.
正确
B.
错误
【单选题】针入度是反映()石油沥青的粘滞度
A.
固体
B.
半固体
C.
液体
D.
固体和半固体
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