皮皮学，免费搜题
登录
搜题
【单选题】
标志着中国人民抗日救亡运动新高潮到来的是( )。A.
十九路军抗战
B.
一二.九运动
C.
九.一八事变
D.
西安事变
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【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
【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
【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...
【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。
【简答题】在哪些情况下SQL Server会自动建立索引?
【简答题】SQL Server 的两种索引是何形式？索引的作用？索引的优缺点？
【简答题】SQL SERVER中可创建三种索引，即唯一索引_________，_________。
【单选题】It is obvious that lung diseases are____smoking.
A.
linked to
B.
related with
C.
resulted in
D.
led to
【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.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
