网友您好, 请在下方输入框内输入要搜索的题目:
题目内容
(请给出正确答案)
—Miss. Eldon, please look again for those orders from the Diamond Store.—They’re not with the other orders, sir. They () be there, but they’re not.
A、may
B、can
C、will
D、ought to
参考答案
更多 “ —Miss. Eldon, please look again for those orders from the Diamond Store.—They’re not with the other orders, sir. They () be there, but they’re not. A、mayB、canC、willD、ought to ” 相关考题
考题
Waiter: Hello, sir. ?Customer: Could you give us a second, please?Waiter: Sure.A. Are you ready to orderB. How can I help youC. Ready to take my orderD. Can I do you a favor
考题
TheORDERStablebelongstotheuserOE.OEhasgrantedtheSELECTprivilegeontheORDERStabletotheuserHR.WhichstatementwouldcreateasynonymORDsothatHRcanexecutethefollowingquerysuccessfully?()
A.CREATESYNONYMordFORorders;ThiscommandisissuedbyOEB.CREATEPUBLICSYNONYMordFORorders;ThiscommandisissuedbyOEC.CREATESYNONYMordFORoe.orders;ThiscommandisissuedbythedatabaseadministratorD.CREATEPUBLICSYNONYMordFORoe.orders;Thiscommandisissuedbythedatabaseadministrator
考题
Inwhichsituationwillyourunthescriptcontainingthefollowingstatement?()CREATECONTROLFILEREUSEDATABASESALESNORESETLOGSARCHIVELOGMAXLOGFILES20MAXLOGMEMBERS3MAXDATAFILES30MAXINSTANCES10MAXLOGHISTORY1200LOGFILEGROUP1(’/disk1/prod/orders/db/log1a.dbf’,’/disk2/prod/orders/db/log1b.dbf’)SIZE100KGROUP2(’/disk1/prod/orders/db/log2a.dbf’,’/disk2/prod/orders/db/log2b.dbf’)SIZE100K,DATAFILE’/disk1/prod/orders/db/database1.dbf’,’/disk2/prod/orders/db/file1.dbf’;
考题
有压圆管恒定流,若断面1的直径是其下游断面2直径的两倍,则断面1的雷诺数Re1与断面2的雷诺数Re2的关系是:
A. Re1=0. 5Re2
B. Re1 =1. 5Re2
C. Re1=Re2
D. Re1 =2Re2
考题
同一管道中,分别用Re1、Re2、Re3表示紊流、临界、层流时的雷诺数,那么三者的正确关系是()。A.Re1<Re2<Re3B.Re1=Re2=Re3C.Re1>Re2>Re3D.Re2<Re3<Re1
考题
下面哪一种状态是层流?()A.Re﹤Re临界B.Re= Re临界C.Re﹥Re临界D.无
热门标签
最新试卷