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【判断题】
关系数据库模型的3个要素分别为数据增加、数据修改、数据查询。
A.
正确
B.
错误
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参考答案:
举一反三
【单选题】We are living in an age ______ we treasure very much, because it sees man’s rapid development.
A.
which
B.
when
C.
where
D.
what
【单选题】We are living in an age ____________ we treasure very much, because it sees man’s rapid developm
A.
34. We are living in an age ____________ we treasure very much, because it sees man’s rapid development. A.which
B.
when
C.
where
D.
What
【单选题】为了能准确踏板起跳,跳远的助跑通常设有几个标志点
A.
一个
B.
两个
C.
三个
D.
四个
【简答题】“ 水仙花数 ” 是指一个三位数,它的三个数位数字的立方和这个数的数值相等,编程打印所有的水仙花数。
【单选题】We are very much_____ in your men's shirts_____ the recent Guangzhou Fair.
A.
interesting;of
B.
interest; in
C.
interested; at
D.
interests; on
【单选题】李先生,39岁,诊断为甲型肝炎。对他所用的票证和纸币进行消毒,合适的方法是
A.
压力蒸汽灭菌法
B.
微波消毒
C.
过滤除菌
D.
过氧乙酸擦拭
E.
液氯喷洒
【单选题】We are very much to meet you at the exhibition in July.
A.
anticipating
B.
expecting
C.
looking forward
D.
longing for
【单选题】We are very much _________ to meet you at the exhibition in July.
A.
looking forward
B.
expecting
C.
anticipating
D.
longing for
【单选题】We are very much in your table-cloths the recent Guangzhou Fair.
A.
interesting; of
B.
interest; in
C.
interested; at
D.
interests; on
【单选题】可以用何种HPLC方法分离正戊酸和正丁酸物质?
A.
离子交换色谱法
B.
正相键合相色谱法
C.
离子对色谱法
D.
空间排阻色谱法
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