对
错
第1题：
The purpose of air tanks in a lifeboat is to ______．
A.Make the boat float higher
B.Provide a stowage place for provisions
C.Add strength to the boat
D.Keep the boat afloat if flooded
第2题：
Put on （）(艇底塞) and hand the fender and the buoy.
第3题：
What are the special Folk Customs on the Dragon Boat Festival?
A.holding dragon boat races
B.enjoying the beauty of the bright moon
C.giving children red envelopes or red packets
D.lighting flying lanterns
第4题：
表达式““.equals（null）的结果为true
第5题：
Start the （）(艇机), drive the boat from the ship quickly.
第6题：
In launching a lifeboat, when should the tricing pendants be released?______.
A.Before the boat is lowered from the stowage position
B.As soon as the boat-fall blocks clear the davit head
C.After the limit switch is activated
D.After all people have been embarked
第7题：
准备放艇。（）
第8题：
What is the purpose of limber holes ________．
A.To allow for air circulation
B.To allow for stress and strain in rough waters
C.To allow water in the boat to drain overboard
D.To allow water in the bilge to get to the boat drain
第9题：
现自： 1． interface Color { } 2. interface Weight { } 3． //insert code here 和以下足六个声明： class Boat extends Color， extends Weight { } class Boat extends Color and Weight { } class Boat extends Color， Weight { } class Boat implements Color， implements Weight { } class Boat implements Color and Weight { } class Boat implements Color， Weight { } 分别插入到第3行，有多少行可以编译？ （）
第10题：
the painter
the after boat fall only if the boat is waterborne
both falls at the same time only if the boat is waterborne
both falls at the same time even if the boat has not reached the water