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【单选题】
P63.在数据库系统中,用户对客观世界中复杂失误的结构及它们之间的联系进行描述的是
A.
概念数据模型
B.
逻辑数据模型
C.
物理数据模型
D.
关系数据模型
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参考答案:
举一反三
【简答题】干旱可分为______干旱和______干旱。
【单选题】Many theories concerning the causes of juvenile delinquency crimes committed by young people focus either on the individual or on society as the major contributing influence. Theories 【21】______ on th...
A.
acting
B.
relying
C.
centering
D.
cementing
【简答题】SECTION B ENGLISH TO CHINESE Directions: Translate the following text into Chinese. Many people tend to overdo their exercise programs looking for quick results. Doing so, however, may prove to be you...
【单选题】We can learn from the passage that One of the consequences of globalization that many people worry about is ______.
A.
the spread of culture from one country to another
B.
the destruction of cultural identities
C.
the prevalence of American culture
D.
the resistance to globalization worldwide
【单选题】It can be inferred from the passage that public services ______.
A.
have benefited many people
B.
are the focus of public attention
C.
have often been the laughing stock
D.
are an inappropriate subject for humor
【判断题】根据产生干旱的原因不同,干旱可分为大气干旱和土壤干旱。
A.
正确
B.
错误
【单选题】With the financial crisis ________ across the globe, a lot of companies have shut down and many people have been out of work.
A.
to spread
B.
spreading
C.
being spread
D.
having spread
【多选题】利用TRIZ理论解决技术问题,也遵循从“具体——抽象——具体”的过程,具体包括( )。
A.
将具体问题抽象为TRIZ问题
B.
通过TRIZ理论工具寻找TRIZ解
C.
将TRIZ解转化为具体解
【单选题】In Unit 7. Many people want to lose weight so badly that they ___________.
A.
do fitness exercise every day
B.
eat very little
C.
will believe any advice
D.
make sure they follow good advice
【单选题】It can be inferred from the passage that public services ______.
A.
have benefited many people
B.
are the focus of public attention
C.
are an inappropriate subject for humor
D.
have often been the laughing stock
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