Some quite artistic, yet inexpensive fabrics are now being () from British mills. A.turned overB.turned outC.turned upD.turned off
Some quite artistic, yet inexpensive fabrics are now being () from British mills.
A.turned over
B.turned out
C.turned up
D.turned off
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与“SELECT DISTINCT歌手号：FROM歌手WHERE最后得分＞=ALL； (SELECT最后得分FROM歌手WHERE SUBSTR(歌手号，1，1)=“2”)”等价的SQL语句是 ______。A．SELECT DISTINCT歌手号FROM歌手WHERE最后得分＞=； (SELECT MAX(最后得分)FROM歌手WHERE SUBSTR(歌手号，1，1)=“2”)B．SELECT DISTINCT歌手号FROM歌手WHERE最后得分＞=； (SELECT MIX(最后得分)FROM歌手WHERE SUBSTR(歌手号，1，1)=“2”)C．SELECT DISTINCT歌手号FROM歌手WHERE最后得分＞=ANY； (SELECT最后得分FROM歌手WHERE SUBSTR(歌手号，1，1)=“2”)D．SELECT DISTINCT歌手号FROM歌手WHERE最后得分＞=SOME； (SELECT最后得分FROM歌手WHERE SUBSTR(歌手号，1，1)=“2”)
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One study conducted by a psychologist(121)of interviewing workers before and after the installation of a robot. The robot was used to control a matching process of stamping and assembling metal parts. Prior to installation, much of the work done by skilled machinists. After installation, the robot did the work, but the workers controlled the robot through the robot through a control panel. The results of the study indicated that the workers praised the robot(122)eliminating the physical labor and fatigue(123)the manual operation, but complained of more and continued stress. Prior to installation of the robot, there was time for talking or short periods of relaxation between jobs. Now, however, because of the speed of the robot, there was a need for constant scanning and monitoring of the operation(124)performed by the robot has the installation of the robot created a better work environment? Has the change from physical labor to mental stress resulted in an improved(125)of life? Much additional research is necessary.A．OfB．consistedC．forD．being
有SQL语句：SELECT DISTINCT 系号 FROM 教师 WHERE 工资=；ALL(SELECT 工资 FROM 教师 WHERE 系号=“02”)与如上语句等价的SQL语句是A) SELECT DISTINCT 系号 FROM 教师 WHERE 工资＞＝；(SELECT MAX（工资）FROM教师WHERE系号="02")B）SELECT DISTINCT 系号 FROM 教师 WHERE 工资＞=；(SELECT MIN(工资）FROM 教师 WHERE 系号＝"02"）C）SELECT DISTINCT 系号 FROM 教师 WHERE 工资＞＝；ANY(SELECT 工资 FROM 教师 WHERE 系号="02")D）SELECT DISTINCT 系号 FROM 教师 WHERE 工资＞＝；SOME(SELECT 工资 FROM 教师 WHERE 系号="02"）
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有SQL语句：SELECT DISTINCT系号FROM教师WHERE 工资=ALL （SELECT 工资FROM教师WHERE系号=\02\） 与如上语句等价的SQL语句是A．SELECT DISTINCT系号FROM教师WHERE工资=（SELECT MAX（工资）FROM教师WHERE 系号="02"）B．SELECT DISTINCT系号FROM教师WHERE工资=（SELECT MIN（工资）FROM教师WHERE 系号="02"）C．SELECT DISTINCT系号FROM教师WHERE工资=（ANY（SELECT（工资）FROM教师WHERE 系号="02"）D．SELECT DISTINCT系号FROM教师WHERE工资=（SOME （SELECT（工资）FROM教师WHERE 系号="02"）