第19题: [单项选择]What channel is general communication used?() A. any appropriate channel except public communication B. any appropriate channel except for public communications C. any appropriate channel besides public communication D. any appropriate channel beside public communication 参考答案:C
第26题: [单项选择]{{I}} Questions 17~20 are based on the following passage. You now have 20 seconds to read questions 17~20.{{/I}}What other species of snake moves its tail rapidly when it becomes agitated A. The water snake. B. The bull snake. C. The cobra. D. The cat snake. 参考答案:B 答案解析: [听力原文] Questions <17>-<20> The rattlesnake,
often considered the deadliest of all North
第36题: [单项选择]使用视图之前,首先应该( )。 A. 一个表与多个表建立关联 B. 父表中的一条记录与子表中的多条记录建立关联 C. 父表中的一条记录与子表中的一条记录建立关联 D. 多个表与当前表建立关联 参考答案:B 答案解析:在“数据工作期”窗口中,“一对多”按钮,用来实现父表中的一条记录与子表中的多条记录建立关联。