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【单选题】
尸检还发现左下肢明显变细,左下肢发生了
A.
增生
B.
肥大
C.
萎缩
D.
化生
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举一反三
【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( )
A.
触发器是自动执行的
B.
触发器可以实现对数据库中的相关表的级联更改
C.
强化完整性约束
D.
提高数据的检索速度
【单选题】—Could you tell me _________? — You can take No. 16 bus.
A.
how can we get to the Olympic Park
B.
how we can get to the Olympic Park
C.
how did we get to the Olympic Park
D.
how we got to the Olympic Park
【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...
【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
A.
正确
B.
错误
【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
C.
一个表在相同的触发事件上可以创建两个触发器
D.
触发器可以显示调用
【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( )
A.
提高数据的检索速度
B.
强化完整性约束
C.
触发器是自动执行的
D.
触发器可以实现对数据库中的相关表的级联更改
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