[单项选择]A．free transfer between terminals is available using Heathrow Express and HeathrowConnect trains．
A. Heathrow Airport provides free pickup service．
B. Heathrow Airport and local destinations are connected by free train services．
C. Free train services connect the terminals of Heathrow Airport．

[名词解释]transfer

[填空题]Farmers can improve agricultural production by using more and more expensive fertilizers to make the degraded land get enough nutrients.

[单项选择]System analysis is craditionally done top-down using structured analysis based on______。
A. data inheritance
B. functional decomposition
C. object abstraction
D. information generalization

[单项选择]

System analysis is traditionally done top-down using structured analysis based on （） ．Object-oriented analysis focuses on creation of models．The three types of the analysis model are （） ．There are two substages of object-oriented analysis． （） focuses on real-world things whose semantics the application captures．The object constructed in the requirement analysis shows the （） of the real-world system and organizes it into workable pieces． （） addresses the computer aspects ofthe application that are visible to users．The objects are those which can be expected to vary from time to time quite rapidly．

System analysis is traditionally done top-down using structured analysis based on （）
A. functional decomposition
B. object abstraction
C. data inheritance
D. information generalization

[简答题]transfer of risks

[单项选择]有以下程序
#include ＜iostream＞
#include ＜string＞
using namespace std;
class base

private:
char baseName[10];
public:
base （　）

strcpy(baseName,"Base");

virtual char *myName（　）

return baseName;

char *className（　）

return baseName;

;
class Derived : public base

private:
char derivedName[10];
public:
Derived（　）

strcpy(derivedName,"Derived");

char *myName（　）

return derivedName;

char *className（　）

return derivedName;

;
void showPtr(base &p)

cout＜＜p.myName （　） ＜＜" "＜＜p.className （　）;

int main （　）

base bb;
Derived dd;
showPtr(dd);
return 0;

运行后的输出结果为
A. Derived Base
B. Base Base
C. Derived Derived
D. Base Derived

[单项选择]有如下程序:
#include＜iostream＞
#include＜iomanip＞
using namespace std;
class TestClass
public;
TestClass （　）cout＜＜’A’;
TestClass(char C)cout＜＜c;)
～TestClass （　）cout＜＜’B’;
;
int main（　）
TestClass p1,^*p2;
p2=new TestClass(’X’);
delete p2;
return 0;

执行这个程序的结果是( )。
A. ABX
B. ABXB
C. AXBB
D. AXB

[单项选择]

We often hear the (21) "Bug" while using computers. But what is a bug In computer science, a bug (22) an error in software or hardware. In software, a bug is an error in coding or logic that causes a program to malfunction or to (23) incorrect results. Minor bugs, for example, a cursor that does not behave as (24) -can be inconvenient or frustrating, but not damaging to (25) More severe bugs can cause a program to "hang" (stop responding to (26) and might (27) the user with no (28) but to restart the program, losing whatever (29) work had not been saved. In (30) case, the programmer must find and correct the error by the (31) known as debugging. Because of the (32) risk to important data, commercial aplication programs are tested and (33) as completely as possible before release. Minor bugs found after the program becomes (34) are corre
A. compounds
B. compositions
C. components
D. composure