试题与答案

Robert wishes that he ________ business

题型:选择题

题目:

Robert wishes that he ________ business instead of history when he was in university.

A.studies

B.studied

C.has studied

D.had studied

答案:

答案:D

因为wish后的宾语从句中的谓语动词要用过去式,此题的study business是与过去事实相反的情况,所以用had studied business。

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题型:单项选择题

(25)~(33)小题使用的数据表如下:
当前盘当前目录下有数据库:大奖赛.dbc,其中有数据库表“歌手dbf”、“评分.dbf”。
“歌手”表:


“评分”表:


根据“歌手”表建立视图myview,视图中含有包括了“歌于号”左边第一位是“1”的所有记录,正确的SQL语句是( )。

A.CREATE VIEW myview AS SELECT* FROM歌手WHERE LEFT(歌手号,1)="1"

B.CREATE VIEW myview AS SELECT* FROM 歌手WHERE LIKE(“1”,歌手号)

C.CREATE VIEW myview SELECT *PROM 歌手 WHERE LEFT(歌手号,1)=“1”

D.CREATE VIEW myview SELECT *FROM 歌手 WHERE LIKE(“1”,歌手号)

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