JT1-CZ2000型机车信号外部输入的上下行控制信号，通过（）转换后接入主机板。A 发布时间：2017-04-11 20:17 │ 来源：www.tikuol.com 题型：单项选择题 问题： JT1-CZ2000型机车信号外部输入的上下行控制信号，通过（）转换后接入主机板。A、变压器B、光耦隔离C、集成隔离放大器D、继电器隔离
题型：单项选择题 用所给单词的适当形式填空。 cheek, touch, represent, action, approach, chest, misunderstand, agreement, express, general When you learn another language, you have to learn what people from another culture mean when they move or indicate without speaking. Watch what people from different cultures do when they introduce themselves. Some l_____ the personthey are greeting and kiss them on the 2_____, some kiss on both cheeks, some shake hands, some bow, some beat the 3_____ and some just nod as it is not their custom to 4_____ the other person. In 5_____, it is very important to avoid 6_____ each other. Learn what a vawn 7_____ in the culture ofthe people you are meeting. It is likely to be a rude 8_____ to some. So be very careful how you carry yourself and how you 9_____ yourself when in another country. We are all in 10_____ about one thing: we are all anxious to communicate with other human beings. It is how we do it that differs! 查看答案