【单选题】in logistics refers to the differences in the value of the same goods at differ—ent time.
【简答题】情景选择。 1. 当你遇到老朋友并想问候他的时候,你可以说: [ ] A. How are you? B. Hello! This is Tom. 2. 当别人问候你“How are you?'时,你可以说: [ ] A. Nice to meet you. B. Fine,thank you. 3. 当你想把杰克介绍给朋友认识时,你可以说: [ ] A. Hello, J...
【单选题】总线()技术可以使不同的信号在同一条信号线上传输,分时使用。
【判断题】验算滑动轴承的压力 p 、速度 v 和压力与速度的乘积 pv ,是不完全液体润滑轴承设计中的内容,对于液体动力润滑轴承不需要进行此项验算。()
【简答题】根据情景,选择最合适的句子。 1. 当你想问别人喜欢什么时,应说:____ [ ] A. What are you? B. What do you like? C. What do you eat? 2. 当你想问价钱时,应说:____ [ ] A. How much is it? B. How many? C. Where is it? 3. 当你想邀请别人吃鸡肉时,应说:___...
【简答题】根据情景提示,选择正确的句子。 1. 当你想问别人近处的物品是什么时,你可以这样说: [ ] A. What is this / are these? B. What is that / are those? 2. 当你想问别人青蛙是什么颜色时,你可以这样说: [ ] A. What color are these frogs? B. How many frogs are ther...
【判断题】“材料采购”账户适合用横线登记明细分类账。
【简答题】Context communication. 根据提供的情景,选择恰当的句子。 1. 当你想问你的朋友旅行是否愉快时,你应说: [ ] A. Hello. B. How are you? C. Did you have a good trip? 2. 当你想问别人是否喜欢中国时,你应说: [ ] A. Would you like China? B. Do you like Chi...
【简答题】总线 技术可以使不同的信号在同一条信号线上传输,分时使用。