[单项选择]We moved to the front row（）we could hear and see better.
A. so as  
B. so that
C. because
D. such that

[单项选择]（）,we often hear only what we want to hear, rather than really listening to other people.
A. Traditionally
B. Additionally
C. Conditionally
D. Exceptionll

[单项选择]The water was so（）that we could see the fish inside clearly.
A. transparent
B. obvious
C. apparent
D. visible

[单项选择]If you saw flames aboard a vessel but could see the vessel was not on fire，you would know that the（）.
A. crew was trying to get warm
B. vessel required immediate assistance
C. vessel was attempting to attract the attention of a pilot boat
D. vessel was being illuminated for identification by aircraft

[单项选择]Jane likes singing. We often hear her（）after class
A. sing 
B. to sing
C. sings 
D. sang

[单项选择]There is an hour to go. Could we sit somewhere to have a drink?（）
A. Have a try.
B. Sure.
C. Don‘t go, please.
D. No, thanks.

[单项选择]Since we can't hear you at the back of the hall, you'll have to（）your voice.
A. improve
B. increase
C. raise
D. open

[单项选择]We’ll see（）the compasses are in good condition.
A. if
B. how
C. when
D. where

[多项选择]Which two statements are true when row archival management is enabled?（）
A. The ORA_ARCHIVE_STATE column visibility is controlled by the ROW ARCHIVAL VISIBILITY session parameter.
B. The ORA_ARCHIVE_STATE column is updated manually or by a program that could reference activity tracking columns, to indicate that a row is no longer considered active.
C. The ROW ARCHIVAL VISIBILITY session parameter defaults to active rows only.
D. The ORA_ARCHIVE_STATE column is visible if referenced in the select list of a query.
E. The ORA_ARCHIVE_STATE column is updated automatically by the Oracle Server based on activity tracking columns, to Indicate that a row is no longer considered active.

[多项选择]Which four are attributes of single row functions? （）
A. cannot be nested
B. manipulate data items
C. act on each row returned
D. return one result per row
E. accept only one argument and return only one value
F. accept arguments which can be a column or an expression

[单项选择]Application A holds an Update lock on a single row and application B is trying to read that row. If both applications are using isolation level UR, which of the following will occur?（）
A. Application B will read the row.
B. Applications A and B will cause a deadlock situation.
C. Application B will wait until application A releases the Update lock.
D. Application A will be terminated so that application B can read the row.

[单项选择]You are underway in restricted visibility and hear a fog signal forward of the beam. Nothing appears on your radar screen. You must（）.
A. stop your engines
B. sound two prolonged blasts of the whistle
C. sound the danger signal
D. slow to bare steerageway

[单项选择]The distance between rivets in a row is known as the（）.
A. arm
B. pitch
C. gage
D. rivet distance

[单项选择]When we write, we must write as（）as we can.
A. careful
B. carefully
C. more careful
D. more carefully

[单项选择]I can hear the noise from cars（）
A. in night
B. at night
C. at evening

[单项选择]You hear on the radiotelephone the word SECURITE spoken three times. This indicates that（）.
A. a message about the safety of navigation will follow
B. a message of an urgent nature about the safety of a ship will follow
C. the sender is in distress and requests immediate assistance
D. you should secure your radiotelephone

[单项选择]In reduced visibility，you hear two prolonged blasts of a whistle. This signal is sounded by a （）.
A. power-driven vessel dead in the water
B. sailing vessel on the port tack
C. vessel not under command
D. vessel fishing with nets

[单项选择]You hear the general alarm bells and ships whistle sound for over 10 secondsTraditionally, this is the signal for （）.
A. abandon ship
B. dismissal from drills
C. fire and emergency
D. lower lifeboats

[单项选择]You hear the fog signal of another vessel forward of your beam.Risk of collision may exist.You MUST（）.
A. Reduce speed to bare steerageway
B. Stop your engines
C. Begin a radar plot
D. All of the above