皮皮学,免费搜题
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【多选题】
组织行为学的研究方法包括:
A.
调查法
B.
谈话法
C.
实验法
D.
个案研究法
E.
观察法
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举一反三
【单选题】The amount of expansion space to be left in a fuel tank when fuel oil is being received, is determined by the ().
A.
quantity of fuel to be received
B.
flash point of the fuel as it is received
C.
fuel temperature as it is received
D.
viscosity of the fuel being received
【多选题】用主题词“获得性免疫缺陷综合征”检索,可检索出哪些概念:
A.
爱之病
B.
爱滋病
C.
艾滋病
D.
AIDS
【简答题】when the fuel is provided by the supplier ,what specifications of the oil can you get from the supplier receipt ?
【判断题】北京社稷坛是帝王祭祀土地神和粮食神的地方,位于天安门东侧,与太庙左右对称。( )
A.
正确
B.
错误
【单选题】对 Course表,使用课程号,课程名,学分,及额外增加的iXueshi字段创建视图,学时为学分乘以16,正确的SQL语句是( )。
A.
Create Index ShiTu As Select Cno,Cname ,Ccredit ,Ccredit *16 as iXueshi from Course
B.
Create View ShiTu As Select Cno,Cname ,Ccredit ,Ccredit *16 from Course
C.
Create Proc ShiTu As Select Cno,Cname ,Ccredit ,Ccredit *16 as iXueshi from Course
D.
Create View ShiTu As Select Cno,Cname ,Ccredit ,Ccredit *16 as iXueshi from Course
【单选题】对 Course 表,使用课程号,课程名,学分,及额外增加的 iXueshi 字段创建视图,学时为学分乘以 16 ,正确的 SQL 语句是 ( ) 。
A.
Create View ShiTu As Select Cno,Cname ,Ccredit ,Ccredit *16 from Course
B.
Create Proc ShiTu As Select Cno,Cname ,Ccredit ,Ccredit *16 as iXueshi from Course
C.
Create View ShiTu As Select Cno,Cname ,Ccredit ,Ccredit *16 as iXueshi from Course
D.
Create Index ShiTu As Select Cno,Cname ,Ccredit ,Ccredit *16 as iXueshi from Course
【单选题】对 Course表,使用课程号,课程名,学分,及额外增加的iXueshi字段创建视图,学时为学分乘以16,正确的SQL语句是( )。
A.
Create View ShiTu As Select Cno,Cname ,Ccredit ,Ccredit *16 as iXueshi from Course
B.
Create View ShiTu As Select Cno,Cname ,Ccredit ,Ccredit *16 from Course
C.
Create Proc ShiTu As Select Cno,Cname ,Ccredit ,Ccredit *16 as iXueshi from Course
D.
Create Index ShiTu As Select Cno,Cname ,Ccredit ,Ccredit *16 as iXueshi from Course
【判断题】II级故障现象为整个系统处于完全瘫痪状态,不能运行。( )
A.
正确
B.
错误
【单选题】When fuel is injected late into a diesel engine cylinder,().
A.
the exhaust will be clear
B.
fuel consumption will be low
C.
all the fuel will be burned at top dead center
D.
fuel consumption will be high
【单选题】在学生课程管理中分别使用以下两种表示,即: ( 1 )表 SC (学号,姓名,课程号,课程名,学时,学分,成绩); ( 2 )表 STUDENT (学号,姓名,课程号)和表 COURSE (课程号,课程名,学时,学分,成绩)。 则以下叙述正确的是 ________ 。
A.
采用( 1 )表示的数据冗余量大,查找速度也慢
B.
采用( 2 )表示的数据冗余量大,查找速度也慢
C.
采用( 1 )表示的数据冗余量大,但查找速度快
D.
采用( 2 )表示的数据冗余量大,但查找速度快
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