【判断题】电路的基本组成是电源、负载、导线和开关( )
【判断题】只有在振动中能够产生偶极矩变化的振动,才有 IR 吸收。
【判断题】电路是指电流所通过的途径,它由电源、负载、导线和开关等四个基本部分组成。
【判断题】[root@UP-TECH 01_hello]# ./hello的功能是 执行执行当前目录下 hello 程序
【单选题】一般电路都是由电源、负载、开关和()四个基本部分组成的。
【单选题】积分集成运放电路反馈元件采用的是( )元件
【单选题】Which of the following best summarizes the main information of the passage?
A.
High-tech helps locate many fascinating archeological sites.
B.
Without high-tech, the archeologist's work would come to a stop.
C.
High-tech has taken the place of shovels and picks.
D.
High-tech makes the archeologist's work more fruitful.