You have been recently hired as a database administrator. Your senior manager asks you to study the production database server and submit a report on the settings done by the previous DB A. While observing the server settings， you find that the followi

题目

You have been recently hired as a database administrator. Your senior manager asks you to study the production database server and submit a report on the settings done by the previous DB A. While observing the server settings， you find that the following parameter has been set in the parameter file of the database： REMOTE_OS_AUTHENT = TRUE What could have been the reason to set this parameter as TRUE？（）

A、to enable operating system authentication for a remote client
B、to restrict the scope of administration to identical operating systems
C、to allow the start up and shut down of the database from a remote client
D、to enable the administration of the operating system from a remote client
E、to disable the administration of the operating system from a remote client

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第1题：

If you had been with us , you ____our excitement.

A. have understood

B. understood

C. will understand

D. would have understood

参考答案：D

第2题：

They're very angry. They ____to see you for the last two or three hours.

A.are managing

B.will promise

C.had made up their minds

D.have been trying

正确答案：D

第3题：

“() your best? It’s not satisfactory. I’m afraid you will have to do it again.”

A.Do you try

B.Have you tried

C.Are you trying

D.Have you been trying

参考答案：B

第4题：

—We’re going on a visit to Japan next week. —________________.

A.Have a good journey

B.Good bye

C.Wish you happy

D.You’re right.

参考答案：A

第5题：

If you had been have yesterday，you______(see)his father.

正确答案：
would have seen[解析] 本题考查虚拟语气，条件句用过去完成时，表示与过去事实相反，主句常用would have done表示。

第6题：

You look(). What () you () ?

A、tire, did…do

B、tiring, have…done

C、tired, do…do

D、tired, have…been doing

参考答案：D

第7题：

Where ________ you ________?

A.are/be

B.have/be

C.is/be

D.have/been

正确答案：D

第8题：

If you()in taking exercise, you're more likely to have a long and energetic life.

A、insist

B、persist

参考答案：B

第9题：

Have you ever been to the place? You can see many places of interest there．（合并为一句）

Have you ever been to the place ________you can see many places of interest?

正确答案：
39. where

第10题：

--- ______?

--- I’ve never been there but I hope to go there in the future.

A. Have you been to America

B. Where are you going for holiday

C. What did you do last week

参考答案：A

You have been re

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