In order to ______ his face, he concealed his real name from us and pretended to be a noble man. ()
A.bring back
B.rescue
C.handle
D.save
A.bring back
B.rescue
C.handle
D.save
第1题
A.正确
B.错误
第2题
A.with
B.for
C.on
D.under
第3题
A.effectively
B.expiry
C.available
D.validity
第4题
A.错误
B.正确
第5题
提单的收货人一栏内,如作成“to order of shipper”,这种提单()
A. 必须经发货人背书,才能流通转让
B. 不能转让
C. 必须经收货人背书,才能转让
D. 必须经开证行背书,才能转让
第7题
B.the Duchess stopped smiling at her husbands order
C.the Duchess died of laughing too much
D.the Duchess did not want to smile as much as her husband requested
第8题
A.SELECT*FROMorderWHEREYEAR(签订日期)=2007ORDERBY金额DESC
B.SELECT*FROMorderWHILEYEAR(签订日期)=2007ORDERBY金额ASC
C.SELECT*FROMorderWHEREYEAR(签订日期)=2007ORDERBY金额ASC
D.SELECT*FROMorderWHILEYEAR(签订日期)=2007ORDERBY金额DESC
第9题
A.使用索引可以加快数据检索速度
B. 使用ORDER BY和GROUP BY子句进行查询时,可以显著减少分组和排序的时间
C. 当对基本表中的数据进行增加、删除和修改操作时,使用索引可以加快数据的维护速度
D. 一个基本表上可以创建多个非聚集索引