题目内容

使用Use命令打开一个数据库,则from后直接引用该库中的表名()

A. 对
B. 错

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等值连接属于外连接

A. 对
B. 错

Direction:Complete each unfinished sentence with a word, phrase, or structure from the box in the proper form.as if, it so happened, caught up with, loses, coincidence, make any difference, extraordinary concurrence of events, on the contrary, gains, purple with anger3.My watch doesn’t work properly, sometimes it ________ and sometimes it ________.4.I don’t think that Chinese youth are a “lost generation”, ________, they are a vital force in the realization of the four modernizations.5.The fact that China won so many gold medals in the 1996 Olympic Games shows that we have __________ the world advanced level in some sports and games.6.Having been brought up in England, the young Indian man spoke ________ he were a native English speaker.7._________ that on the day when she visited the great, remarkable castle in Britain, I was there too.---What would you call it?--- I’d call it an ________.8.On hearing my comment on his work, he yelled, _________.

幼儿园可划分为全日制和寄宿制 。

A. 对
B. 错

活动室以向南或向东为益,采光面积为地面的1/5。

A. 对
B. 错

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