【单选题】运行D:\ZG\JJ.QPR 查询文件,正确的命令是( )
【单选题】下列几种铸钢中屈服强度最高的牌号是____。
【判断题】传递到ref参数的参数必须先进行初始化,out的参数在传递之前不需要显示初始化。
【单选题】灰口铸铁(HT)、球墨铸铁(QT)、铸钢(ZG)三者铸造性能的优劣顺序HT>QT>ZG;塑性的高低顺序为()。
【单选题】要彻底删除D:\ZG\ZGDA.DBF 中男职工的记录,可以使用的命令是( )
A.
USE D:\ZG\ZGDA DELETE ALL 性别="男" PACK
B.
USE D:\ZG\ZGDA DELETE FOR 性别="男" ZAP
C.
DELETE FROM D:\ZG\ZGDA FOR 性别="男" PACK
D.
DELETE FROM D:\ZG\ZGDA WHERE 性别="男" PACK
【单选题】What is the result of the 'new form. of discrimination'?
A.
It liberated the non-native English teacher and singled out the unqualified.
B.
It helped the schools to employ those who come from English speaking countries.
C.
It made it easy for the educational organization to select the English teachers.
D.
It proved that the English speakers and the non-English speakers are very similar to each other.
【判断题】传递到ref参数的参数必须先进行初始化,out的参数在传递之前也需要显示初始化。
【单选题】Which of the following statement is true of native words?
A.
Native words are the core and foundation of the English vocabulary.
B.
Native words are smaller in number compared with the loan words in English.
C.
Native words express the fundamental concepts of meaning and thus are the most frequently used in English vocabulary.
【单选题】以D:\ZG\ZGDA.DBF为主表,与D:\ZG\JSCJ.DBF表按编号相同建立一对一关系,正确的命令是()
A.
USE D:\ZG\ZGDA INDEX ON 编号 TAG BH USE D:\ZG\JSCJ INDEX ON 编号 TAG BH SET RELATION TO 编号 INTO JSCJ
B.
USE D:\ZG\JSCJ INDEX ON 编号 TAG BH SELECT 0 USE D:\ZG\ZGDA SET RELATION TO BH INTO JSCJ
C.
USE D:\ZG\ZGDA INDEX ON 编号 TAG BH SELECT 0 USE D:\ZG\JSCJ SET RELATION TO 编号 INTO JSCJ
D.
USE D:\ZG\JSCJ INDEX ON 编号 TAG BH SELECT 0 USE D:\ZG\ZGDA SET RELATION TO 编号 INTO JSCJ
【单选题】要显示D:\ZG\ZGDA.DBF表的第2--4条记录,应该使用的命令是( )
A.
USE D:\ZG\ZGDA GO 2 DISPLAY
B.
USE D:\ZG\ZGDA GO 2 DISPLAY REST
C.
USE D:\ZG\ZGDA GO 2 DISPLAY NEXT 3
D.
USE D:\ZG\ZGDA GO 2 LIST