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【单选题】
2018 年12月8日 ,“嫦娥四号”的成功发射,使我国成为世界上首个有能力在月球背面软着陆和巡视探测的国家,这也充分显示了我国国有经济的巨大实力。我国的国有经济( ) 1 是社会主义经济制度的基础 2是生产资料属于全体人民共同所有 3 是国民经济的主导力量 4 国民经济中居于主体地位 A. 12 B. 23 C. 24 D. 34
A.
B.
C.
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D
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【单选题】Dennis gave up smoking two years ago.But he_____40 cigarettes a day.
A.
has smoked
B.
likes to smoke
C.
used to smoke
D.
was to smoke
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【简答题】建立索引的目的是( )。 A降低SQL Server数据检索的速度 B与SQL Server数据检索的速度无关 C加快数据库的打开速度 D提高SQL Server数据检索的速度
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【简答题】Conversation T w o 6. A. the United States B. The United Kingdom C. 14 developing countries D. 40 developing countries 7. A. Half the man and 11 percent of the women. B. 60% of the man and 22 percent...
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【多选题】SQL Server提供了如下哪些创建索引的方法?(多选)
A.
利用SQL Server管理平台创建索引
B.
利用Transact-SQL语句中的CREATE INDEX命令创建索引
C.
创建表的PRIMARY KEY约束时自动创建索引。
D.
创建表的UNIQUE约束时自动创建索引。
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【多选题】以下哪些属于SQL server索引:
A.
聚焦索引
B.
非聚焦索引
C.
顺序索引
D.
字母索引
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【简答题】在SQL Server 2000中可创建3种类型的索引，即惟一性索引、( )和聚集索引。
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【简答题】在哪些情况下SQL Server会自动建立索引?
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【单选题】砂秒浆试块(评定强度等级用)的标准尺寸为( )cm
A.
7.07×7.07×7.07
B.
70.7×70.7×70.7
C.
10×10×10
D.
15×15×15
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【单选题】Suppose that Charles wants to dine at a fancy restaurant,but the only available table is in the smoking section. Charles dislikes thesmell of cigarette smoke. He notices that only one person, Sam, is ...
A.
Sam continues to smoke because he has a right to smoke in the smoking section.
B.
Charles offers Sam between $15 and $40 not to smoke. Sam accepts, and both parties are better off.
C.
Charles offers Sam between $15 and $40 not to smoke. Sam declines because he has a right
D.
Only a government policy banning smoking in restaurants will solve this problem.
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【简答题】2 You should spend about 40 minutes on this task. Write about the following topic: Smoking not only harms the smoker, but also those who are nearby. Therefore, smoking should be banned in public place...
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相关题目：
【单选题】Dennis gave up smoking two years ago.But he_____40 cigarettes a day.
A.
has smoked
B.
likes to smoke
C.
used to smoke
D.
was to smoke
查看完整题目与答案
【简答题】建立索引的目的是( )。 A降低SQL Server数据检索的速度 B与SQL Server数据检索的速度无关 C加快数据库的打开速度 D提高SQL Server数据检索的速度
查看完整题目与答案
【简答题】Conversation T w o 6. A. the United States B. The United Kingdom C. 14 developing countries D. 40 developing countries 7. A. Half the man and 11 percent of the women. B. 60% of the man and 22 percent...
查看完整题目与答案
【多选题】SQL Server提供了如下哪些创建索引的方法?(多选)
A.
利用SQL Server管理平台创建索引
B.
利用Transact-SQL语句中的CREATE INDEX命令创建索引
C.
创建表的PRIMARY KEY约束时自动创建索引。
D.
创建表的UNIQUE约束时自动创建索引。
查看完整题目与答案
【多选题】以下哪些属于SQL server索引:
A.
聚焦索引
B.
非聚焦索引
C.
顺序索引
D.
字母索引
查看完整题目与答案
【简答题】在SQL Server 2000中可创建3种类型的索引，即惟一性索引、( )和聚集索引。
查看完整题目与答案
【简答题】在哪些情况下SQL Server会自动建立索引?
查看完整题目与答案
【单选题】砂秒浆试块(评定强度等级用)的标准尺寸为( )cm
A.
7.07×7.07×7.07
B.
70.7×70.7×70.7
C.
10×10×10
D.
15×15×15
查看完整题目与答案
【单选题】Suppose that Charles wants to dine at a fancy restaurant,but the only available table is in the smoking section. Charles dislikes thesmell of cigarette smoke. He notices that only one person, Sam, is ...
A.
Sam continues to smoke because he has a right to smoke in the smoking section.
B.
Charles offers Sam between $15 and $40 not to smoke. Sam accepts, and both parties are better off.
C.
Charles offers Sam between $15 and $40 not to smoke. Sam declines because he has a right
D.
Only a government policy banning smoking in restaurants will solve this problem.
查看完整题目与答案
【简答题】2 You should spend about 40 minutes on this task. Write about the following topic: Smoking not only harms the smoker, but also those who are nearby. Therefore, smoking should be banned in public place...
查看完整题目与答案