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【单选题】
某个查询语句的where子句中的条件表达式为:age between 30 and 40,这个表达式等同于( )。A.
age>=30 and age<=40< /div>
B.
age>=30 or age<=40< /div>
C.
age>30 and age<40< /div>
D.
age>30 or age<40< /div>
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【单选题】人生实践体现出两种价值:社会价值和自我价值。下列关于社会价值和自我价值的说法中正确的是( )
A.
人生的自我价值是指个人对社会的责任和贡献
B.
一个人社会价值的大小与他对社会的贡献无关
C.
人生的自我价值和社会价值既相互区别，又密切联系，共同构成了人生价值的矛盾统一体
D.
人生的社会价值是个体的人生活动对自己生存和发展所具有的价值
【单选题】What can we learn from the 3rd paragraph?
A.
Sleep cycles can have a big impact on the different moods between the sexes.
B.
Scientists searching on this issue are challenging each other's ideas and theories.
C.
It has already been found out which reasons might have a greater influence on women's depression.
D.
Genes is the deciding factor, there is such a big difference between men and women in terms of depression.
【判断题】select标签可以实现表单中下拉菜单 的功能,主要由select和option标签构成,其中option标签体现菜单的项目,在所在的表单提交时,其值由value属性值决定。
A.
正确
B.
错误
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【单选题】提单的功能表现在( )。
A.
证明承运人已经接管货物和货物已经装船的收据
B.
承运人保证凭以交付货物的物权凭证
C.
海上货物运输合同成立的证明文件
D.
确认承运货物的证明
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