【单选题】Why did Lynn have a fever?
A.
She was caught in the heavy rain.
B.
She had some had food.
C.
She did a lot of work.
【简答题】在查询数据时,若只需要查询表中满足条件的数据而不是全部数据,是需要在select语句中通过 子句实现。A. where
【简答题】She was caught in a storm, wasn't she?
【单选题】当pH计上的电表指针所指示的pH与标准缓冲溶液的pH不相符合时,可通过调节下列哪种部件使之相符( )
【多选题】关于钢筋混凝土工程雨期施工的说法,正确的有( )。【2014年度二级建造师真题】
【判断题】用户账号通过用户名和密码来标志,不同的用户有不同的使用权限。()
【判断题】root用户通过su命令切换到别的用户不需要密码 ,而别的用户之间需要输入密码。()
【单选题】当pH计上的电表指针所指示的pH值与标准缓冲溶液的pH值不相符合时,可通过调节下列哪种部件使之相符
【判断题】查询数据表中内容的SQL语句是QUERY。
【单选题】Why did Lynn have a fever?
A.
She was caught in the heavy rain.
B.
She had some bad food.
C.
She did a lot of work.