如果在创建表中建立需要存放Excel文档的字段,其数据类型应当为()。A.文本类型

题型:单项选择题

问题:

如果在创建表中建立需要存放Excel文档的字段,其数据类型应当为()。

A.文本类型

B.货币类型

C.是/否类型

D.OLE类型

考点:计算机科学技术计算机数据库系统原理计算机数据库系统原理题库
题型:单项选择题

阅读理解。

     In our city there is a big zoo. There are many animals in it.   There are some beautiful tigers and lions(狮 子). They

eat much meat every day.

     There are also two big elephants and a baby one.   Children like to ride on them. The elephants are kind. They eat

much grass(草) and many bananas. Elephants like bananas very much. In the zoo there are also brown(棕色的) bears,

black bears and white bears. They are all slow and clumsy(笨拙的). They stand on their back legs and lift(抬起) their

front legs to ask for food. They like cakes very much.

根据短文内容判断正误,对的写T,错的写F.

( )1. There are three elephants in the zoo.

( )2. Tigers and lions like to eat grass and bananas.

( )3. The bears always ask for food with their back legs.

( )4. Children like to ride the elephants in the zoo.

( )5. The elephants are all slow and clumsy.

题型:单项选择题

某型钢混凝土框架一钢筋混凝土核心筒结构,房屋高度91m,首层层高4.6m。该建筑为丙类建筑,抗震设防烈度为8度,Ⅱ类建筑场地。各构件混凝土强度等级为C50。

首层型钢混凝土框架柱C1截面为800mm×800mm,柱内钢骨为十字形,如题图所示,图中构造钢筋于每层遇钢框架梁时截断;柱轴压比为0.65。试问,满足《高层建筑混凝土结构技术规程》(JGJ3—2010)最低要求的C1柱内十字形钢骨截面面积(mm2)和纵向配筋,应最接近于下列()项数值。

A.26832,12φ22+(构造筋4φ14)

B.26832,12φ25+(构造筋4φ14)

C.21660,12φ22+(构造筋4φ14)

D.21660,12φ25+(构造筋4φ14)

题型:单项选择题

欲鉴定抗原是否纯化应采用下列哪种方法( )

A.单向免疫扩散法
B.血凝法
C.沉淀试验
D.免疫电泳法
E.补体结合试验

题型:单项选择题

医学心理学的研究对象为()

A.心理活动的规律的学科

B.人类行为的科学发展

C.疾病的发生发展的规律

D.影响健康的有关心理问题和行为

题型:单项选择题

在画车间平面图时,其比例通常为()。

A、1:1

B、1:50

C、1:100

D、1:200

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