How+形容词/副词+主语+谓语!,这个句型里用的是形容词interesting(有趣的),修饰后面的名词voice control device(声音控制装置),并且这个名词是个可数名词单数,所以应该用what引导这个感叹句,排除A和D。interesting第一个音是元音音素,所以应该用冠词an,排除B,答案是C。
/15 ___ interesting voice control device it is ! A. How B. What a C. What an 相关知识点: 试题来源: 解析 C 该句需要使用感叹词引导,强调名词短语 "interesting voice control device"。由于 "interesting" 以元音开头,因此应使用 "What an"。所以,正确答案是 C。反馈...
A) whileB) andC) butD) though 相关知识点: 试题来源: 解析 3.C 4.A 第3题:感叹句结构应为“What + a/an + 形容词 + 可数名词单数 + 主语 + 谓语!”,由于“interesting”以元音开头,故选“an”。 第4题:句子需要一个连词连接两个并列的句子,表示对比,故选“while”。
【答案】B【核心短语/词汇】control:控制【翻译】——我们怎样能控制我们的智能设备?——通过讲话和发信号。【解析】根据句意“我们……能控制我们的智能设备?”,可知这里问的是“怎样”控制智能设备,问的是方式,所以应该用“how(怎样)”。结合选项,A选项的意思是“什么”,B选项的意思是“怎样”,C选项的意思是...
【答案】B【核心短语/词汇】smart device:智能设备【翻译】——我们可以怎样控制我们的智能设备?——通过说话和手势。【解析】根据回答“By speaking and signalling.(通过说话和手势。)”可知,这是在回答控制智能设备的方式,故“___can we control our smart devices?”是在对控制智能设备的方式提问,应用“how(...
are examples of control systems. Let us take an example of the simple temperature controller of the room, to clear the concept. Suppose there is a simple heating element, which is heated up as long as the electric power supply is switched on. As long as the power supply switch of the ...
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In the hotel room, there is a device for controlling the temperature. What is it? A. Remote control B. Thermostat C. Fan D. Heater 相关知识点: 试题来源: 解析 B。解析:恒温器(Thermostat)是用于控制房间温度的设备。遥控器(Remote control)通常用于控制电视等设备,风扇(Fan)和加热器(Heater)只是...
DCR is the DC equivalent resistance of an inductor L. ESR is the equivalent series resistance of an output capacitor. Thus, the LC filter transfer function is Obviously, the ESR would generate a zero for a control loop. When the ESR is too large to ignore, the designer should consid...
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