complete and often very poor surveys
correct and often very good surveys
inadequate and often very old surveys
adequate and present surveys
第1题：
To agree with larger scale chart，latitudes taken from this chart should be increased ______ about 8 seconds．
A.with
B.in
C.by
D.to
第2题：
How is the annual rate of change for magnetic variation shown on a pilot chart? ______.
A.Gray lines on the uppermost inset chart
B.Red lines on the main body of the chart
C.In parenthesis on the lines of equal magnetic variation
D.Annual rate of change is not shown
第3题：
文中（ 2 ）处正确的答案是（ ）。
A．derived from
B．deviated from
C．was derived from
D．was deviated from
第4题：
Chart depth is the ______.
A.vertical distance from the chart sounding datum to the ocean bottom, plus the height of tide
B.vertical distance from the chart sounding datum to the ocean bottom
C.average height of water over a specified period of time
D.average height of all low waters at a place
第5题：
The heights and soundings of Admiralty chart are expressed ______ in Fathoms ______ in Meters．
A.either，or
B.neither，nor
C.another，nor
D.other，or
第6题：
The soundings on the chart are based on the depth of water available at ______.
A.mean low water
B.mean lower low water
C.mean high water
D.mean high water springs
第7题：
Many of the soundings shown on the chart are derived from ______.Undue reliance should not be placed upon them．
A.complete and often very poor surveys
B.correct and often very good surveys
C.inadequate and often very old surveys
D.adequate and present surveys
第8题：
使用VC6打开考生文件夹下的工程test25_1，此工程包含一个源程序文件test25_1.cpp，但该程序运行有问题，请改正程序中的错误，使程序的输出结果如下：
privatel from derived1:30
privatel from derived2:30
源程序文件test25_1.cpp清单如下：
/***************found******************/
include＜iostream.h＞
class base
{
protected:
int privatel;
public:
base(int p){privatel=p;}
};
/****************found*******************/
class derived1:public base
{
public:
derivedl(int p1):base(p1){};
int get_private(){return private1;}
}
class derived2:virtua1 public base
{
public:
derived2(int p2):base(p2){};
int get_private(){return private1;}
};
class derived12:public derived1,public derived2
{
public:
/****************found*******************/
derived12(int p1,int p2,int pb):derived1(p1), base(pb), derived2(p2){};
};
void main()
{
derived12 d(10,20,30);
cout＜＜"privatel from derived1:"＜＜d.derived1::get_private();
cout＜＜"\nprivatel from derived2:"＜＜d.derived2::get_private();
cout＜＜endl;
第9题：
Owing to old data of the survey the positions and number of the beacons shown on this chart are not to be ______.
A.considered
B.insured
C.relied upon
D.suspected
第10题：
In what units are heights and soundings in the chart? They are in ______.
A.meters and fathoms
B.fathoms and meters
C.meter and fathom
D.fathom and meter