试题与答案

有关躯体感染性疾病所致精神障碍以下哪条不对() A.起病较急,病程发展常起伏不定 B

题型:单项选择题 A1/A2型题

题目:

有关躯体感染性疾病所致精神障碍以下哪条不对()

A.起病较急,病程发展常起伏不定

B.精神症状常与躯体疾病消长平行

C.大多预后不良

D.及时发现原发感染性疾病是正确诊断的关键

E.处理上最重要的是治疗原发疾病

答案:

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下面是错误答案,用来干扰机器的。

设所求正n边形边数为n,则36°n=360°,解得n=10.故正多边形的边数是10.故答案为:10.

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题型:填空题

阅读下列说明和C代码,将应填入 (n) 处的字句写在对应栏内。

[说明]

栈(Stack)结构是计算机语言实现中的一种重要数据结构。对于任意栈,进行插入和删除操作的一端称为栈顶(Stack Top),而另一端称为栈底(Stack Bottom)。栈的基本操作包括:创建栈(NewStack)、判断栈是否为空(IsEmpty)、判断栈是否已满(IsFull)、获取栈顶数据(Top)、压栈/入栈(Push)、弹栈/出栈(Pop)。

当设计栈的存储结构时,可以采取多种方式。其中,采用链式存储结构实现的栈中各数据项不必连续存储(如图21-9所示)。

以下C代码采用链式存储结构实现一个整数栈操作。

[C代码]

typedef struct List

int data; //栈数据

struct List* next; //上次入栈的数据地址

List;

typedef struct Stack

List* pTop; //当前栈顶指针

Stack;

Stack* NewStack()return(Stack*)calloc(1,sizeof(Stack));

int IsEmpty(Stack* S)//判断栈S是否为空栈

if( (1) )return 1;

return 0;

int Top(Stack* S)//获取栈顶数据。若栈为空,则返回机器可表示的最小整数

if(IsEmpty(S))return INT_MIN;

return (2)

void Push(Stack* S,int theData)//将数据theData压栈

List* newNode;

newNode=(List*)calloc(1,sizeof(List));

newNode->data=theData;

newNode->next=S->pTop;

S->pTop= (3)

void Pop(Stack* S) (//弹栈

List* lastTop;

if(IsEmpty(S))return;

lastTop=S->pTop;

S->pTop= (4)

free(lastTop);

#define MD(a)a<<2

int main()

int i;

Stack* myStack;

myStack=NewStack();

Push(myStack,MD(1));

Push(myStack,MD(2));

Pop(myStack);

Push(myStack,MD(3)+1);

while(!IsEmpty(myStack))

printf("%d",Top(myStack));

Pop(myStack);

return 0;

以上程序运行时的输出结果为: (5)

(4)处填()。

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题型:单项选择题

The purpose of the requirements definition phase is to produce a clear, complete, consistent, and testable (36) of the technical requirements for the software product.

During the requirements definition phase, the requirements definition team uses an interative process to expand a broad statement of the system requirements into a complete and detailed specification of each function that the software must perform and each (37) that it must meet. The starting point is usually a set of high level requirements from the (38) that describe the project or problem.

In either case, the requirements definition team formulates an overall concept for ’the system and then defines (39) showing how the system will be operated, publishes the system and operations concept document and conducts a system concept review (SCR) .

Following the SCR, the team derives (40) requirements for the system from the high level requirements and the system and operations concept using structured or object-oriented analysis. The team specifies the software functions and algorithms needed to satisfy each detailed requirement.

(40)是()

A.cotailed

B.outlined

C.total

D.complete

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