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执行以下程序的输出结果是（）#include "string.h"main(){char p[20]={'a','b','c','d'};char q[ ]="abc",r[ ]="abcde";strcpy(p+strlen(q),r);strcat(p,q);printf("%d%d\n",sizeof(p),strlen(p));}

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执行以下程序的输出结果是（）#include "string.h"main(){char p[20]={'a','b','c','d'};char q[ ]="abc",r[ ]="abcde";strcat(p,r);strcpy(p+strlen(q),q);printf("%d",strlen(p));}

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In Dialogue 4，which of the following price bargain skills have been used by the buyer in the discount negotiation?(单选或多选题，每空答案仅填字母即可，格式为AC)[音频]

A. 买方杀价技巧之感恩图报
B. 买方杀价技巧之鸡蛋里挑骨头
C. 买方杀价技巧之逐档杀价法

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In Dialogue 4，which of the following price rebargain skills have been used by the seller respectively in the discount negotiation?(单选或多选题，每空答案仅填字母即可，格式为AC)

A. 卖方还价技巧之均摊差额法
B. 卖方还价技巧之弹性还价
C. 卖方还价技巧之利用优势还价

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用if语句表示如下分段函数:y= x**2*2x+3x<1y=平方根(x-1)x>=1下面程序段不正确的是()

A. if (x<1): y=x**2-2*x+3else: y=math.sqrt(x-1)
B. if (x<1): y=x**2-2*x+3y=math.sqrt(x-1)
C. y=x**2-2*x+3if (x>=1):y=math.sqrt(x-1)
D. if (x<1): y=x**2-2*x+3if (x>=1):y=math.sqrt(x-1)

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执行以下程序的输出结果是（ ）#include "string.h"main(){char p[20]={'a','b','c','d'};char q[ ]="abc",r[ ]="abcde";strcpy(p+strlen(q),r);strcat(p,q);printf("%d%d\n",sizeof(p),strlen(p));}

执行以下程序的输出结果是（ ）#include "string.h"main(){char p[20]={'a','b','c','d'};char q[ ]="abc",r[ ]="abcde";strcat(p,r);strcpy(p+strlen(q),q);printf("%d",strlen(p));}

In Dialogue 4，which of the following price bargain skills have been used by the buyer in the discount negotiation?(单选或多选题，每空答案仅填字母即可，格式为AC)[音频]

In Dialogue 4，which of the following price rebargain skills have been used by the seller respectively in the discount negotiation?(单选或多选题，每空答案仅填字母即可，格式为AC)

用if语句表示如下分段函数:y= x**2*2x+3x<1y=平方根(x-1)x>=1下面程序段不正确的是()

执行以下程序的输出结果是（）#include "string.h"main(){char p[20]={'a','b','c','d'};char q[ ]="abc",r[ ]="abcde";strcpy(p+strlen(q),r);strcat(p,q);printf("%d%d\n",sizeof(p),strlen(p));}

执行以下程序的输出结果是（）#include "string.h"main(){char p[20]={'a','b','c','d'};char q[ ]="abc",r[ ]="abcde";strcat(p,r);strcpy(p+strlen(q),q);printf("%d",strlen(p));}