You work as a database administrator at Certkiller .com. You are working in an online transaction processing （OLTP） environment. You realize that the salary for an employee， John， has been accidentally modified in the EMPLOYEEStable. Two days ago， the data was in the correct state. Flashback logs generated during last two days are available in the flash recovery area. Which option would you choose to bring the data to the correct state while ensuring that no other data in the same table is affected？（）
第1题：
你们怎样选拔参加保卫工作的人员?
A.How long will you select those employees for the security work?
B.Why do you select those employees for the security work?
C.How will you select those employees for the security work?
D.How do you select security guards for the World Expo?
第2题：
A、to meet
B、meet
C、meeting
D、meeting with
第3题：
A.You are right, but don’t you know the meaning of work?
B.Sorry, I don’t think so.I get overpaid for overwork, you know.
C.That’s right.All work and no play make Jack a dull boy.
D.That’s right, but the work is interesting.I don’t mind some extra hours at
第4题：
a. on
b. off
c. up
第5题：
-Larry is the biggest airhead I've ever met. He always makes careless mistakes, and he's a pain to work with. - ________ . You'll always have some co-workers that are harder to work with than others, you know.
：A I have the same feeling to you ;
B You really have it ;
C You shouldn't be so negative
第6题：
(A) work at
(B) work on
(C) work out
(D) work up
正确答案：C
解答参考：work at/on “从事于，致力于”，work out“想出，算出;解决”，work up“激发;制订出”。【译文】我相信你能想出答案
第7题：
You never work late, ________ you?
A.do
B.don’t
C.haven’t
D.are
第8题：
A、So far
B、Now that
C、Though
D、Even if
第9题：
一You needn't do the work till after the New Year.
一__________
A. No，you needn't.
B. Oh, good!Thank you.
C. Happy New Year to you.
D. I like the work.
第10题：
You do not mind ()long hours, do you?
A、 working
B、 work
C、 to work
答案：A
解析：本句意思：你不介意长时间工作，是吗？本句考查mind固定搭配，通常mind+doing表示“介意做某事”，不与to do或do直接连用。