On Friday at 11:30 am you decided to flash back the database because of a user error that occurred at 8:30 am. Which option must you use to check whether a flashback operation can recover the database to the specified time? （）A、Check the alert log fileB、Q

--- ____?

-- Yes. What time is it on Friday?

A. Are you coming to the meeting on Friday

B. When will the meeting start

C. What are you going to do this Friday

此题为判断题(对，错)。

If you decide to accept an invitation, you () write a letter to show your interest.

A: may

B: can

C: must

D: have to

You are using Recovery Manager (RMAN) for backup and recovery operations with a recovery catalog. You have been taken database backups every evening. On November 15, 2007, at 11:30 AM, you were informed that the USER_DATA tablespace was accidentally dropped.On investigation, you found that the tablespace existed until 11:00 AM, and important transactions were done after that. So you decided to perform incomplete recovery until 11:00 AM. All the archive logs needed to perform recovery are intact. In NOMOUNT state you restored the control file that has information about the USER_DATA tablespace from the latest backup. Then you mounted the database. Identify the next set of commands that are required to accomplish the task? （）

A. A

B. B

C. C

D. D

有以下程序

include<stdio．h>

main()

{char a[30]，b[30]；

scanf(“％s”，a)；

gets(b)；

printf(“％s＼n％s＼n”，a，b)；

}

程序运行时若输入：

how are you? I am fine<回车>

则输出结果是

A．how are you? I am fine

B．how are you? 1 am fine

C．how are you？ I am fine

D．how are you?

Please supply us with 250 tons of fresh water．You are requested to deliver it on board ______．

A.Till Friday

B.On Friday at the latest

C.Until Friday afterwards

D.At Friday soonest

此题为判断题(对，错)。

GARDEN RESTAURANT

Telephone: 2706030 Address: 9020 Bridgeport Road

Open: Mon. to Fri. 7:00am~2:30pm and 5:00pm~9:00pm Sun. 11:00am~2:00pm and 5:00pm~9:30pm

NEW YORK MUSEUM

Telephone: 7364431 Address: Vanier Park, 1 100 Chestnut St. New York

Americas largest museum Specializing in American history and part of our native people.

Open: Mon. to Fri. 9:ooam~5:00pm (Monday free) Sat:9:00am~l:00pm

LANSDOWNE PARK SHOPPING CENTER

Telephone: 3562367 Address: 5300 No.3 Road

Open: Mon. Tues. and Sat. 9:30am~5:30p.m Wed. Thurs. And Fri. 9:30am~9:30pm Sun. ll:00am~5:00pm

SKYLINE HOTEL

Telephone: 2785161 Address: 3031 No. 3 Road (at Sea Island Way)

The hangar Den: Wed. to Sun. Lunch from 10:30am Coffee Shop: Mon.-Fri. 6:00am Sat. 6:30am and Sun. 7:00am~9:00pmMon.-Wed. to 10:00pm Thurs.-Sun. to 11:00pm

1、If you want to go out for lunch on Sunday you can call up the number ( ).

A、2785161 or 2706030

B、2706030 or 3562367

C、7364431 or 2785161

D、3562367 or 2985161

2、You do not have to pay on Mondays if you go to ( ).

A、Skyline Hotel

B、 Lansdowne Park Shopping Center

C、 New York Museum

D、 Garden Restaurant

3、If you want to enjoy yourself on Sunday mornings, you can go to ( ).

A、5300 No. 3 Road

B、VanierPark, 1100 Chestnut St.

C、9020 Bridgeport Road

D、3031 No.3 Road

4、What can you do after 2 o''clock on Saturday afternoons? ( )

A、 Visit New York Museum .

B、 Do some shopping in LansdowneParkShopping Center.

C、 Have coffee in Skyline Hotel.

D、 B or C

5、How many advertisements are included in this passage? ( )

A、3

B、 4

C、 5

D、 6

On Friday at 11:30 am you decided to flash back the database because of a user error that occurred at 8:30 am. Which option must you use to check whether a flashback operation can recover the database to the specified time? （）

A. Check the alert log file

B. Query the V$FLASHBACK_DATABASE_LOG view

C. Query the V$RECOVERY_FILE_DEST_SIZE view

D.Query the V$FLASHBACK_DATABASE_STAT view

E. Check the value assigned for the UNDO_RETENTION parameter

有以下程序 #include<stdio．h> main（ ） {char a[3O]，b[30]； scanf("%S"，a)； gets(b)； printf("%s\n%s\\n"，a，b)； } 程序运行时若输入： how are you? I am fine<回车> 则输出结果是（ ）。

A.how are you? I am fine

B.how are you?I am fine

C.how are you?I am fine

D.how are you?

Why did you decide to go to college?