有如下类声明: class MyBASE  int k:  public;

题型:单项选择题

问题:

有如下类声明:
class MyBASE

 int k:
 public;
 void set(int n)k=n;
 int get() constreturn k;
;
class MyDERIVED: protected MyBASE

 protected:
 int j;
 public:
 void set(int m, int n)MyBASE::set(m);j=n;
 int get() constreturn MyBASE::get()+j;
;
则类MyDERIVED中保护的数据成员和成员函数的个数是( )。

A.4

B.3

C.2

D.1

考点:计算机等级考试C++二级C++笔试
题型:单项选择题

腰椎间盘突出症下肢放射痛最常见于()

A.坐骨神经分布区

B.闭孔神经分布区

C.阴部神经分布区

D.股神经分布区

E.股外侧皮神经分布区

题型:单项选择题

下列关于需要、动机与激励的说法,错误的是()。

A.需要是指当缺乏或期待某种结果而产生的心理状态

B.动机有三个因素,即决定人行为的方向、努力的水平和坚持的水平

C.动机是通过满足员工的需要而使其努力工作,从而实现组织目标的过程

D.从激励对象的角度可分为他人激励和自我激励

题型:单项选择题

Mary ______ my letter; otherwise she would have replied before now.

A.has received

B.ought to have received

C.couldn’t have received

D.shouldn’t have received

题型:单项选择题
In Britain, people have different attitudes to the police. Most people generally ____them and the job they do,although there are certain people who do not believe that the police____have the power that they do.
What does a policeman actually do? It is not ____job to describe. After all, a policeman has a number of jobs in ____.A policeman often has to control traffic, either____ foot in the centre of a town, or in a police car on the roads. Indeed, in Britain, he might be in the Traffic Police and spend all, or a lot of, his time ____up and down main roads and motorways. A traffic policeman has to help keep the traffic moving, stop ____motorists and help when there is an accident.
A policeman has to help keep the ___, too. If there is a fight or some other disturbance, we ___ the police to come and restore order. And they often have to ____ situation at great risk to their own ____.We expect the police to solve crimes, of course, so an ordinary policeman, ____ he is not a detective(侦探),will often have to help___and arrest criminals.
And ___ do we call when there is an emergency—an air crash, a____,a road accident, or a robbery? We call the police.___a policeman has to be ____to face any unpleasant emergency that may happen in the ___ world. The police do an absolutely necessary job, they do it ____ well and I support them, but I do not envy policemen. I do not think that I could____do the job of a policeman.
小题1:
A.dislikeB.joinC.appreciateD.admire
小题2:
A.shouldB.wouldC.couldD.must
小题3:
A.a funnyB.a pleasantC.an interestingD.an easy
小题4:
A.itB.oneC.hisD.them
小题5:
A.onB.byC.underD.with
小题6:
A.walkingB.drivingC.wanderingD.searching
小题7:
A.restingB.tiredC.speedingD.drunken
小题8:
A.peaceB.silenceC.situationD.condition
小题9:
A.wait forB.callC.think ofD.expect
小题10:
A.turn toB.avoidC.deal withD.treat
小题11:
A.safetyB.familiesC.futureD.friends
小题12:
A.althoughB.as ifC.howeverD.even if
小题13:
A.get rid ofB.questionC.look forD.sentence
小题14:
A.howB.whereC.whatD.who
小题15:
A.power failureB.fireC.thunder stormD.thief
小题16:
A.YetB.ThenC.AsD.So
小题17:
A.providedB.promisedC.preparedD.presented
小题18:
A.futureB.modernC.realD.whole
小题19:
A.extremelyB.speciallyC.surprisinglyD.particularly
小题20:
A.hardlyB.foreverC.everD.never
题型:单项选择题

网络管理员使用DHCP服务器对公司内部主机的IP地址进行管理。在DHCP客户机上执行“ipconfig/all”得到的部分信息如图1所示,该客户机在进行地址续约时捕获的其中1条报文及相关分析如图2所示。请分析图中的信息,补全图2中横线处的内容。

图1

图2

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