The conductor decides to give each kid a gift on their journey back home.()
Conductor: Good morning, , please?Passenger: Here you are.A． can I have your ticketB． anything to declareC． can I help youD． anything special
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［A］ use ［B］ turn ［C］ give ［D］ back
Examine the following command;ALTER SYSTEM SET enable_ddl_logging = TRUE;Which statement is true?()A. Only the data definition language (DDL) commands that resulted in errors are logged in the alert log file.B. All DDL commands are logged in the alert log file.C. All DDL commands are logged in a different log file that contains DDL statements and their execution dates.D. Only DDL commands that resulted in the creation of new segments are logged.E. All DDL commands are logged in XML format in the alert directory under the Automatic Diagnostic Repository (ADR) home.
Make（ ）copies of important files, and store them on separate locations to protect your information.A.back B.back-up C.back-out D.background
A talk on developments in science and technology__________ (give)in the school next week．
当R－EACH采用预留接入模式的时候,它的接入前缀和接入消息承载信道错误的是:()A.R-ACH，R-EACHB.R-EACH，R-ACHC.R-EACH，R-EACHD.R-EACH，R-CCCH
当R－EACH采用基本接入模式的时候,对于接入前缀和接入消息的承载信道错误的是:()A.R-ACH，R-EACHB.R-EACH，R-ACHC.R-EACH，R-EACHD.R-EACH，R-CCCH
