[单项选择]Do you want to wait? Five days（）too long for me to wait.
A. was
B. were
C. is
D. are

[填空题]Mary （） ill for five days. 【be】　　玛丽已经病了五天了。

[单项选择]（）You too!
A. Merry Christmas!
B. What a beautifulday!
C. Help yourself!
D. It's very kind of you!

[单项选择]How long（）you（）the library book? For three days.
A. have; borrowed 
B. have; kept
C. did; borrow 
D. were; kept

[单项选择]Five year old children are too young to go to school,（）
A. are they
B. aren’t they
C. were they
D. have they

[填空题]英文“How long do you want to subscribe it to”的意思是（）？

[单项选择]Had you come five minutes earlier, you（）the train to Birmingham. But now you missed it.
A. would catch
B. would have caught
C. could catch 
D. should catch

[单项选择]Do you often wait for a long time（）the bus stop?
A. in
B. on
C. at
D. under

[单项选择]How long have you worked here?（）
A. Since about two years.
B. I do not know.
C. For about two years.
D. Who knows.

[单项选择]How long are you prohibited to consume alcohol prior to serving as a member of a watch?（）
A. within two hours
B. within three hours
C. within four hours
D. within five hours

[单项选择]How do you do?（）
A. Fine, thank you. 
B. How do you do?  
C. Not too bad.  
D. Very well.

[单项选择]How do you do? Glad to meet you.（）
A. Fine. How are you?
B. How do you do? Glad to meet you, too.
C. How are you? Thank you! 
D. Nice. How are you?

[单项选择]How long have you lived in London? （）
A. I moved here from Paris.
B. My whole life.
C. I‘ve worked here for almost 10 years.
D. I‘ve never traveled there.

[单项选择]Nice to see you. I（）you for a long time.
A. haven't seen
B. didn't see 
C. hadn't seen 
D. don't see

[单项选择]What do you do on Sunday?（）
A. I 'm a teacher
B. I play football
C. You are a student
D. They clean rooms.

[多项选择]You want to flash back a test database by five hours.You issue this command:SQL > FLASHBACK DATABASE TO TIMESTAMP (SYSDATE - 5/24);Which two statements are true about this flashback scenario?（）
A. The database must have multiplexed redo logs for the flashback to succeed.
B. The database must be MOUNTED for the flashback to succeed.
C. The database must use block change tracking for the flashback to succeed.
D. The database must be opened in restricted mode for the flashback to succeed.
E. The database must be opened with the RESETLOGS option after the flashback is complete.
F. The database must be opened in read-only mode to check if the database has been flashed back to the correct SCN.

[单项选择]What should you do if you have transmitted a distress call a number of times on channel 16 and have received no reply?（）
A. Repeat the message using any other channel on which you might attract attention
B. Key the microphone several times before transmitting again
C. Turn up the volume on the receiver before transmitting again
D. Report the problem to the head electrician

[单项选择]What is the MOST important thing you should do before transmitting on a marine radio? （）
A. Ask for permission
B. Record the time in your radio log
C. Press the push to talk button three times
D. Monitor the channel to insure that it is clear