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【单选题】
ADO对象模型用于简化通过ODBC、OLE DB等访问数据库的编程工作。下列关于ADO的说法错误的是______。A.
用ADO对象访问数据库时，仍需要依赖OLE DB、ODBC等数据库访问接口
B.
开发者只需通过使用ADO对象模型中的几个简单对象的方法和属性即可实现对数据库的访问，因此，使用ADO对象模型可以提高数据访问效率
C.
ADO是在OLE DB、ODBC等接口基础上设置的高一层接口
D.
ADO对象模型提供的编程接口与数据提供者无关，提高了数据访问的透明性
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【多选题】Which of the following are similar to the word “factor”in meaning?
A.
Hazard
B.
ontributor
C.
Component
D.
Ingredients
【单选题】关于兴奋性的叙述不正确的是
A.
是活体组织产生兴奋的基础
B.
活体组织受刺激后,不一定都产生兴奋
C.
可以用 阈 值衡量兴奋性高低
D.
兴奋产生所需 引起 阈值越大,则兴奋性越高
【单选题】Which of the following best explains why increasing marginal costs of production arise? a. The factor endowments vary across countries. b. All the factor inputs are not fully utilized in the productio...
A.
B.
C.
D.
D
【简答题】变压器中，变换分接以进行调压所采用的开关，称为（）。
【单选题】Which of the following is NOT the factor that helps to get the flames under control?
A.
The wind is subsiding.
B.
A lot of firefighters are here.
C.
The plans are drafted through the night as needed and as appropriate.
D.
The amount of fuel that has been consumed there.
【多选题】Which of the following are similar to the word “factor”in meaning?
A.
Hazard
B.
Contributor
C.
Component
D.
Ingredients
【单选题】Which of the following is NOT the factor that impeded Wikipedia's development?
A.
There are many other online encyclopedias.
B.
The constituency is not as diverse as possible.
C.
Some people have spoiled the reputation of Wikipedia.
D.
The web is limited in its capability to deal with so many contributors.
【单选题】Which of the following is not a resource exchanged in the factor markets?
A.
land
B.
capital
C.
labor
D.
All of the above are traded in the factor market.
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