The light from the sun moves away from its source in all directions, so its strength is very () . A.broken outB.spread outC.looked outD.figured out
The light from the sun moves away from its source in all directions, so its strength is very () .
A.broken out
B.spread out
C.looked out
D.figured out
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查询选修课程号为“101”课程得分最高的同学，正确的SQL语句是 ______。A．SELECT 学生.学号，姓名FROM 学生，选课WHERE 学生.学号＝选课.学号 AND 课程号＝“101” AND 成绩＞=ALL (SELECT 成绩 FROM 选课)B．SELECT 学生.学号，姓名FROM 学生，选课 WHERE 学生.学号＝选课.学号 AND 成绩＞＝ALL(SELECT 成绩 FROM 选课 WHERE 课程号＝“101”)C．SELECT 学生. 学号，姓名 FROM 学生，选课 WHERE 学生. 学号＝选课.学号 AND 成绩＞＝ANY (SELECT 成绩 FROM 选课 WHERE 选课号＝“101”)D．SELECT 学生.学号，姓名 FROM 学生，选课 WHERE 学生.学号＝选课.学号 AND 课程号＝“101”AND 成绩＞= ALL(SELECT 成绩 FROM 选课 WHERE课程号=“101”)
检索有职工的工资大于或等于“WH1”仓库中所有职工“工资”的仓库号，正确的命令是( )。A．SELECT DISTINCT 仓库号 FROM 职工 WHERE 工资＞=ANY; (SELECT MAX(工资) FROM 职工 WHERE 仓库号="WH1")B．SELECT DISTINCT 仓库号 FROM 职工 WHERE 工资＞=ANY; (SELECT 工资 FROM 职工 WHERE 仓库号="WH1")C．SELECT DISTINCT 仓库号 FROM 职工 WHERE 工资＞=ALL; (SELECT 工资 FROM 职工 WHERE 仓库号="WH1")D．SELECT DISTINCT 仓库号 FROM 职工 WHERE 工资＞=ALL; (SELECT MAX(工资) FROM 职工 WHERE 仓库号="WH1")
A network administrator wants to permit Telnet traffic initiated from the address book entry the10net in a zone called UNTRUST to the address book entry Server in a zone called TRUST.However, the administrator does not want the server to be able to initiate any type of traffic from the TRUST zone to the UNTRUST zone.Which configuration statement would correctly accomplish this task?（）A. from-zone UNTRUST to-zone TRUST { policy DenyServer { match { source-address any; destination-address any; application any; } then { deny; } } } from-zone TRUST to-zone UNTRUST { policy AllowTelnetin { match { source-address the10net; destination-address Server; application junos-telnet; } then { permit; } } }B. from-zone TRUST to-zone UNTRUST { policy DenyServer { match { source-address Server; destination-address any; application any; } then {deny; } } } from-zone UNTRUST to-zone TRUST { policy AllowTelnetin { match { source-address the10net; destination-address Server; application junos-telnet; } then { permit; } } }C. from-zone UNTRUST to-zone TRUST { policy AllowTelnetin { match { source-address the10net; destination-address Server; application junos-ftp; } then { permit; } } }D. from-zone TRUST to-zone UNTRUST { policy DenyServer { match { source-address Server; destination-address any; application any; } then { permit; } } } from-zone UNTRUST to-zone TRUST { policy AllowTelnetin { match {source-address the10net; destination-address Server; application junos-telnet; } then { permit; } } }
有订单表如下：订单（订单号（C，4），客户号（C，4），职员号（C，3），签订日期（D．，金额（N，6，2））查询所有金额大于等于平均金额的订单的订单号，正确的SQL语句是（ ）。A.SELECT订单号FROM订单WHERE金额＝（SELECT AVG（金额）FROM订单）B.SELECT订单号FROM订单WHERE金额＝（SELECT AVG（金额）FROM订单）C.SELECT订单号FROM订单WHERE金额＝ALL（SELECT AVG（金额）FROM订单）D.SELECT订单号FROM订单WHERE金额＝ALL（SELECT AVG（金额）FROM订单）
查询选修课程号为"101"课程得分最高的同学，正确的SQL语句是A．SELECT学生.学号，姓名FROM学生，选课WHERE学生.学号=选课.学号 AND课程号="101”AND成绩＞=ALL(SELECT成绩FROM选课)B．SELECT学生.学号，姓名FROM学生，选课WHERE学生.学号；选课.学号 AND成绩＞=ALL(SELECT成绩FROM选课WHERE课程号="101")C．SELECT学生.学号，姓名FROM学生，选课WHERE学生.学号二选课．学号 AND成绩＞=ANY(SELECT成绩FROM选课WHERE课程号="101")D．SELECT学生.学号，姓名FROM学生，选课WHERE学生.学号=选课.学号AND课程号="101" AND成绩＞=ALL(SELECT成绩FROM选课WHERE课程号 ="101")
（ 33 ）查询选修课程号为 “ 101 ” 课程得分最高的同学，正确的 SQL 语句是A) SELECT 学生 . 学号 , 姓名 FROM 学生 , 选课 WHERE 学生 . 学号 = 选课 . 学号AND 课程号 = "101" AND 成绩 =ALL(SELECT 成绩 FROM 选课 )B) SELECT 学生 . 学号 , 姓名 FROM 学生 , 选课 WHERE 学生 . 学号 = 选课 . 学号AND 成绩 =ALL(SELECT 成绩 FROM 选课 WHERE 课程号 = "101" )C) SELECT 学生 . 学号 , 姓名 FROM 学生 , 选课 WHERE 学生 . 学号 = 选课 . 学号AND 成绩 =ANY(SELECT 成绩 FROM 选课 WHERE 课程号 = "101" )D) SELECT 学生 . 学号 , 姓名 FROM 学生 , 选课 WHERE 学生 . 学号 = 选课 . 学号AND 课程号 = "101"AND 成绩 =ALL(SELECT 成绩 FROM 选课 WHERE 课程号 = "101" )
真核生物ITS序列由ITS1和ITS2两部分组成。