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【判断题】
城市给水管网引入建筑的水，如果与水接触的管道材料选择不当，将直接污染水质。A.
正确
B.
错误
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【简答题】在SQL Server的索引分类中,索引顺序和表数据物理顺序相同的是______________。
【简答题】在 SQL Server 中索引分为 3 类,其中( )索引会对表和物理视图进行排序,所以这种索引对查询非常有效,在表和视图中只能有一个这样的索引;( )索引不会对表和视图进行物理排序;( )索引确保索引键不包含重复的值。
【单选题】The reason why I can't attend the ball is ______ I'm to see off one of my friends at the railway station.
A.
for
B.
because
C.
why
D.
that
【单选题】- Why don't you have a try? - I'm afraid I can't do it.- _______________.
A.
I don't believe.
B.
Good luck!
C.
You know yourself well.
D.
Come on! You can do that.
【简答题】在SQL Server的索引分类中,索引顺序和表数据物理顺序不相同的是__________。
【单选题】-I'm very tired these days because of studying for physics. -Why not ________ music? It can make you ________. [ ]
A.
listen to; to relax
B.
listen to; relax
C.
listening to; relax
D.
listening to ; to relax
【单选题】---- I’m very tired these days because of studying for exams. -----Why not _____ music. It can make you _____.
A.
listen to, relaxing
B.
to listen to, relax
C.
listening to, relax
D.
listen to ,relax
【单选题】— I’m very tired these days because of preparing for exams. — Why not _____ music? It can make you _______.
A.
listen to; to relax
B.
listen to; relax
C.
to listen to; relax
D.
listening to; to relax
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