【单选题】听力原文:M1: Mr. Chen called to see if his car is ready for pick up. Did you finish putting in the new carburetor, Jeff? M2: No. because I was busy working on the van this morning. You told me last night ...
【多选题】网上产品和服务营销,必须结合网络特点,重新考虑企业传统的产品策略,如产品的()。
【简答题】采用节点电压法求解电路中两节点间的电压。 (1)分母各项总为正,等于与该节点相连的各相支路的电阻 和,,当支路中含有电流源,与电流源 联的电阻可不考虑,当支路中含有电压源,与电压源 联的电阻可不考虑; (2)分子各相可为正,也可为负,当支路中含电压源,电压源电压方向与节点电压方向一致,则为 ,反 之 负 ,当支路中含电流源,电流源的电流方向流入节点为正 ,反之为 。
【简答题】阅读理解。 One afternoon, when the lessons were over, John and Mike Ford did not go home. They stayed at school to help their teacher. Their teacher was starting a library in the school and the boys helped...
【简答题】电路中的支路不含电源( ),支路含有电源( )。
【单选题】.王某和郑某均为甲市人,双方于1998年底在乙市登记结婚,1999年2月郑某在丙市被判处有期徒刑5年,2001年2月王某将户口迁到丁市,并提出与郑某离婚之诉,对此案享有管辖权的法院是( )。
【简答题】补全对话。 Mike: Hi, John. This is Mike. You didn't go to school today. What's wrong? John: 1 Mike: Oh, dear, I'm sorry to hear that! How did it happen? John: 2 Mike: Did you see the doctor? John: 3 Mike: ...
【简答题】电路中的支路不含电源称为( ),支路含有电源称为( )。
【简答题】用所给词的适当形式填空 (10) 小题1:---Where did you______ (study) last night? ---No, I__________(help)my mother_______(clean) the room. 小题2:Mike goes to see his grandparents _________(one) a week. 小题3:To keep healt...