【单选题】— Is this your sister Joan? — _____. She is my friend Susan. [ ]
【单选题】一Is this man your friend? 一Yes, .
【单选题】气体继电器是变压器的主要保护措施,它可以反映变压器( )的各种故障及油位异常运行情况。
【单选题】Is it polite to ask your friend this question “What is your salary”?
【单选题】Is this your brother ? _______.He is my friend ,Tom.
【判断题】网络云因指挥中心主要负责组织客流的预测及调查。
【简答题】将下列句子改写为复数形式。 1. What is this? 2. That apple is red. 3. It is my book. 4. This is my friend. 5. - Is this your pen? - No, it isn ’ t. 6. That is a cute dog, it is white. 7. Open that door, please.
【单选题】_____ this your friend?
【单选题】对于组织规模很大且业务范围广的企业来说,最好选择( )的组织结构形式。
【单选题】气体继电器是变压器的主要保护措施,它可以反映变压器( )的各种故障 及异常运行情况。