[单项选择]How would you pass a red buoy in the maritime buoyage system“A” （）.
A. keep the buoy on the vessel's starboard side when approaching a port and on the vessel's port side when leaving
B. keep the buoy on the vessel's port side when approaching a port and on the vessel's starboard side when leaving
C. keep the buoy on the vessel's starboard side when approaching and leaving
D. keep the buoy on the vessel's port side when approaching and leaving

[单项选择]How would you pass a red buoy in the maritime buoyage system “A”? （）
A. keep the buoy on the vessel's starboard side when approaching a port and on the vessel's port side when leaving
B. keep the buoy on the vessel's port side when approaching a port and on the vessel's starboard side when leaving
C. keep the buoy on the vessel's starboard side when approaching and leaving
D. keep the buoy on the vessel's port side when approaching and leaving

[单项选择]You are mooring to a buoy．You should approach the buoy with the current from（）.
A. ahead
B. broad on the bow
C. abeam
D. astern

[单项选择]A buoy having red and green horizontal bands would have a light characteristic of（）.
A. interrupted quick flashing
B. composite group flashing
C. Morse (A)
D. quick flashing

[单项选择]At 1810，a red buoy bears 010° relative. This buoy marks（）.
A. the side of York Spit Channel
B. the visibility limit of the red sector of Cape Henry Light
C. a submerged obstruction in York Spit Channel
D. the York River Entrance Channel

[单项选择]A buoy，being a shape of cylinder and with red group flashing，shows that it is（）.
A. left-side buoy
B. right-side buoy
C. a buoy of safety
D. a buoy of danger

[单项选择]You are scanning the radar screen for a buoy fitted with racon. How should this signal appear on the PPI display?（）
A. Starting with a dash and extending radially outward from the target
B. As a broken line from center of PPI to the target
C. Starting with a dot and extending radially inward from the target
D. Starting with a dash and extending to the right of the target

[单项选择]You are entering an east coast port and see a buoy with a yellow triangle painted on it.This indicates（）.
A. you are in the vicinity of the ICW
B. the buoy is a special mark
C. the buoy is off station
D. the buoy designates a sharp turn in the channel

[单项选择]At 1810，you sight a buoy on your starboard side labeled “19”. This buoy marks（）.
A. the side of York Spit Channel
B. the visibility limit of the red sector of Cape Henry Light
C. the end of York Spit Channel
D. the junction of the York Spit and York River Entrance Channels

[单项选择]As you approach Shreves cut-off you see Red River LandingGage (302.4 AHP) which reads 4.2 feet. Which of thefollowing statements is TRUE? （）
A. This reading is at the same elevation as the 6.2 ft. mark on the gage at Head of Passes
B. A vessel drawing 8 ft would be able to pass over the sill at Old River Lock
C. This reading is 6.4 feet below the Low Water Reference Plane
D. A vessel drawing 7 ft. would be able to pass through the locks at Lower Old River

[单项选择]How are you? You look nice!（）
A. Thanks, so are you 
B. Thanks, so do you 
C. Yes, I do
D. Yes, you are too

[单项选择]How do you read ? I read you（）.
A. excellent
B. very fine
C. perfect
D. very clear

[单项选择]How are you today?（）, thank you.
A. Fine
B. Good
C. Nice
D. Great

[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]No matter how old you are, when you go out into the world, it（）to hold hands and stick together.
A. would better
B. had better
C. be better
D. is better

[单项选择]To which switch or switches should you provide redundant links in order to achieve high availability with reliable fast convergence in the enterprise campus?（）
A. to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 2 link
B. to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 3 link
C. to two core switches from redundant distribution switches connected with a Layer 2 link
D. to two core switches from redundant distribution switches connected with a Layer 3 link
E. to two core switches running Cisco NSF and SSO from two redundant distribution switches running Cisco NSF and SSO

[单项选择]How do you read? I read you four.（）.
A. excellent
B. bad
C. fair
D. good

[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（）you say that you really understand the whole story if you have covered only part of the article?
A. can  
B. must 
C. need  
D. may