【简答题】Henry had studied in a university before he came back to his hometown. He thought he had lots of knowledge and he was supercilious(目中无人). At first he was easily given a job in a bank. But he couldn,t ...
【简答题】B. Rewrite the following sentences after the models, using the structure “remember doing something” or “remember to do something”, according to the meaning of the sentence. Model 1: Do you remember th...
【简答题】I dropped out of Reed College after the first 6 months, but then stayed around as a drop-in (旁听生) for another l8 months or so before I really quit. So why did I drop out? It started before I was bor...
【单选题】下列关于触发器优点的描述,错误的是( )
【简答题】Revising: Shifts in subject and voice Make the following sentences consistent in subject and voice. Example: At the reunion they ate hot dogs and volleyball was played. At the reunion they ate hot dog...
【简答题】After reading Text B, decide which sences are true (T) and which sentences are false (F). ( ) Daniel would go to France by plane in a few hours with his father. ( ) Before Daniel wen...
【判断题】在删除关系表中数据时,要先删除主表数据再删除从表数据
【单选题】下列关于触发器描述错误的是( )。
A.
一个表在相同的触发事件和相同的触发时间只能创建一个触发器。
B.
触发事件为INSERT,触发时间为AFTER的触发器只能有一个
【简答题】Differen t coun tries and different people have different manners. We must find out their customs, so that they will not think us ill-mannered. Here are some examples of the things that a well-mannere...
【单选题】下列关于触发器优点的描述,错误的是( )