【单选题】—Jim, you ______ quiet! Don’t you know it’s time for class now? —Sorry, sir.
【单选题】基准代号由基准符号、圆圈、连线和( )组成。
【单选题】目前汽油机电源系统的额定电压为12Ⅴ,而汽车运行中的系统电压为( )
【单选题】--Why do you like living here? -- Because it’s quite quiet. There are cars on the street.
【判断题】动画作品《一个罪行》 是波普风格的动画作品。
【单选题】—You see, there are a lot of cars and people on the street. —Yes, it's very _____. [ ]