第1题：
ASCII is a 7-bit code used to represent numeric, alphabetic, and special printable characters. It also includes codes for control characters, which are
A．printable or displayable
B．not printable or displayable
C．not printable but displayable
D．printable but not displayable
第2题：
If the cargo gear on your vessel is equipped with a regular guy and a preventer guy，you should ______．
A.Let the schooner guy take most of the strain，thus transferring the load to the opposite boom
B.Leave the preventer guy slack
C.Secure them as close together as possible on deck
D.Secure them so the angle between them is 90° at the boom head
第3题：
A、enough quiet.
B、not enough quiet
C、not quiet enough
第4题：
class Guy｛String greet（）｛return “hi“｝｝ class Cowboy extends Guy ｛String greet（）｛return“howdy”｝｝ class Surfer extends Guy ｛String greet（）｛return“dudel”｝｝ class Greetings{ public static void main （string[]args）{ Guy[] guy= {new Guy（），new Cowboy（），new Surfer（）}； for（Guy 0： guys） System.out.print（g.green（））； ｝ ｝ 结果为：
第5题：
第6题：
The park is ______ .
A、not quiet enough
B、not enough quiet
C、quiet not enough
D、enough not quiet
第7题：
The preventer guy，as used on a conventional yard and stay rig，______．
A.Is rigged at an angle of 70° to 90° from the guy it assists
B.Takes the strain imposed on the schooner guy when burtoning cargo
C.Is rigged when lifting cargo that exceeds the SWL of a single whip
D.Should take the strain if the regular guy parts
第8题：
●ASCII is a 7-bit code used to represent numeric，alphabetic，and special printable characters．It also includes codes for control characters，which are (75) .
(75) A．printable or displayable
B．not printable or displayable
C．not printable but displayable
D．printable but not displayable
第9题：
第10题：
吊杆停用时，稳索必须要收起来。（）