【简答题】It’s time to go home now. I’m in a bus on a rainy day. A woman with a dog gets on the bus. The woman is well dressed( 穿着华贵的 ). She is very fat. And her dog is fat, too, but it’s not clean. I don’t wan...
【单选题】( )是指从进程创建到完成所经过的时间;( )是指进程等待CPU的时间 之和 。
【单选题】D i rections: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the conversa...
A.
The man wants to know why action movies appeal to Peter so much.
B.
Peter spends too much of his spare time watching movies.
C.
The woman expects her son to study more than he can handle.
D.
Peter doesn ’ t study hard enough.
【单选题】有400多座火山,是世界上火山最多的国家是()
【简答题】听下面一段对话,回答1-3题。 1. What are in a great demand in both the United States and Canada? [ ] A. Teachers B. IT professionals C. Tourism managers 2. What can we learn about the woman? [ ] A. She is ...
【简答题】如图,当电容器充电结束后,把 S 从 1 合向 2 ,电容器便开始 。这时看到白炽灯 EL 开始 ,然后逐渐 ,直到 。同时将从电流表中观察到充电电流的变化是从开始的 到最后为 ;而电压表的指针变化是从 开始,慢慢 ,最后等于 。
【简答题】什么是液力机械传动?液力机械传动主要由液力元件(如液力变矩器)和机械元件(如动力换挡变速器)组成。动力换挡变速器与液力变矩器配合使用,可在不切断动力的情况下进行换挡,减轻了驾驶人员的劳动强度,还可以起到保护发动机及传动系统的作用,提高机械的使用效率。