[国开形考作业] 如果磁路的结构是一定的,那么磁路的磁阻也是一定的。  日期:2021-03-01 09:39:28 点击:196 好评:0 
                (判断题)20: 如果磁路的结构是一定的,那么磁路的磁阻也是一定的。 A: 对 B: 错 ...
                [国开形考作业] 电感电流的衰减规律与电容电压的衰减规律是相同的,都是由初始值  日期:2021-03-01 09:39:11 点击:181 好评:0 
                (判断题)14: 电感电流的衰减规律与电容电压的衰减规律是相同的,都是由初始值随时间按指数规律逐渐衰减而趋于零的。 A: 对 B: 错 ...
                [国开形考作业] 下列选项()是描述介质中实际的磁场强弱和方向的物理量。  日期:2021-03-01 09:38:53 点击:75 好评:0 
                (单选题)8: 下列选项()是描述介质中实际的磁场强弱和方向的物理量。 A: 磁通 B: 磁感应强度 C: 磁场强度 D: 磁导率 ...
                [国开形考作业] 某负载为一可变电阻器,由电压一定的蓄电池供电,当负载电阻增加时  日期:2021-03-01 09:38:35 点击:174 好评:0 
                (单选题)2: 某负载为一可变电阻器,由电压一定的蓄电池供电,当负载电阻增加时,该负载消耗的电功率()。 A: 增加 B: 减小 C: 不变 D: 以上选项均不正确 ...
                [国开形考作业] We are in possession of your letter of the 11th July.  日期:2021-03-01 09:38:15 点击:97 好评:0 
                (判断题)26: We are in possession of your letter of the 11th July. A: 对 B: 错 ...
                [国开形考作业] Last year my brother and I stayed _____ a week _____ some fr  日期:2021-03-01 09:37:58 点击:58 好评:0 
                (单选题)20: Last year my brother and I stayed _____ a week _____ some friends in Boston. A: for…and B: for…with C: till…with D: when…without ...
                [国开形考作业] He ______ and couldn’t find the way to the hotel.  日期:2021-03-01 09:37:40 点击:85 好评:0 
                (单选题)14: He ______ and couldn’t find the way to the hotel. A: puzzled B: was puzzled C: puzzling D: has puzzled ...
                [国开形考作业] Why don’t you come ______ and have dinner ______me?  日期:2021-03-01 09:37:22 点击:182 好评:0 
                (单选题)8: Why don’t you come ______ and have dinner ______me? A: over…for B: on…with C: over…at D: over…with ...
                [国开形考作业] Excuse me, madam. I’m looking ______ 83 Shanghai Street.  日期:2021-03-01 09:37:04 点击:57 好评:0 
                (单选题)2: Excuse me, madam. I’m looking ______ 83 Shanghai Street. A: for B: after C: up D: to ...
                [国开形考作业] It helps children learn how to deal with the problems they m  日期:2021-03-01 09:36:44 点击:157 好评:0 
                (判断题)26: It helps children learn how to deal with the problems they may meet in really life. A: 对 B: 错 ...