??xml version="1.0" encoding="utf-8" standalone="yes"?>
[1]面向机器的、面向问题的 [2]源、目?span style="mso-spacerun: yes"> [3]\?单个
[4]帔R、保留字 [5]赋倹{表辑ּ [6]一、main
[7]/*?/ [8]机器、高U?span style="mso-spacerun: yes"> [9]Run、ctrl+F9
[10]汇编、二q制?span style="mso-spacerun: yes"> [11]ASCII?5 [12]\、\x
[13]控制W、{?span style="mso-spacerun: yes"> [14]字母、下划线 [15]英文字母、数?/font>
[16] main、main [17]1个、若qӀ[18]序l构、分支结?/font>
[19] mainQ)函数、存储单?[20]C、OBJ [21]Q、换?/font>
[22]~辑、编?/font>
W二?span lang="EN-US"> 基本数据cd和运?o:p>
[1] 2? [2] 1? [3]#define W号帔R 字符?span style="mso-spacerun: yes"> 、预定义标识W?/font>
[4]自动型、auto [5] unsigned int、double [6]存储cdW?数据cdW?
[7]++?amp;& [8]8?1110000 [9]1?
[10]1? [11]1.0? [12] ?/span> 5 ?/span> 5
[13]X>20 && X<30、x>30||x<20 [14] a/(b*c)?.5
[15]关系、逻辑 [16]赋倹{?= [17]b=b*(a+2) 、c=b
[18]逻辑、整?span style="mso-spacerun: yes"> [19]3?.333333 [20]1?
[21]1? [22]6,5 ?,9 [23]2?
[24]1? [25]1?0 [26]2?
[27]0? [28]1? [29]1?1
[30]-264,2 [31]4.2000000?.2000000
[32] 8? [33] -1?5535 [34]ffff ?1
[35] 2,1 [36]6,8,6,7 [37]n=1
[38]1 [39]n=-4 [40]x=3,a=2,b=3
[41] 0
[42]
2:102
3:9
4:127
5:0,0,-1
[43]
1:0
2:0
3:0
4:1
[1]3.540 [2]###a=26Qb=13Qc=19
[3]if(a<=b) {x=1; printf("#### x=%d\n",x);}
else {y=2
Q?span lang="FR">printf("**** y=%d\n",y);}
[4]10 [5](x%i==0) [6]dec:-1,oct:177777,hex:ffff,unsigned:65535
[7]dec:1,oct:1,hex:1,unsigned:1 [8]dec:65,oct:101,hex:41,ASCII:A
[9]3.141593,3.1416,3.142 [10]3.500000,3.5 [11]31.415320,31.415
[12]c=K [13]a=1,b= ,c=2 [14]a=12,b=345 [15]A
[16]n=64 [17]x=^^^1.23,y=^^50.00 [18]end
[19]d=20 [20]s=2,t=3
[21]
first
third
[22]
y=0?span lang="FR" style="mso-ansi-language: FR">y=5?span lang="FR" style="mso-ansi-language: FR"> y=10?span lang="FR" style="mso-ansi-language: FR">y=5
");break; }
default:printf("&");
}
printf("\n");
}
[23]#& [24]s=7
[25]
*
**
***
****
[26]
1
2 2
3 3 3
4 4 4 4
5 5 5 5 5
6 6 6 6 6 6
[27]
1
1 2 1
1 2 3 2 1
1 2 3 4 3 2 1
1 2 3 4 5 4 3 2 1
1 2 3 4 5 6 5 4 3 2 1
[28]
*
* * *
* * * * *
* * * * * * *
* * * * *
* * *
*
[29]sum=33 [30]-200 2500、i=-200,j=2500
[31]x=127,x= 127%-06d,x=$%06d,x=%%06d\n",x,x,x,x,x);
[32]x=127,x=127 ,x=$127 ,x=$000127,x=%06d
[33](a==b)||(a<c)?x>4)||(x<-4)
[34]1
[35]
3
");
case 2: printf("*");break;
default: printf("#");
}
}
[36]*# [37]5? [38]-1
[39]11 [40]d=1.0、k<=n [41]x>=0?x<amin
[42]1 [43]7.28 101.298AB
[1]0? [2]0? [3]#include<stdio.h>?include<string.h>
[4]k=p; [5]k、j=j-1 [6]n/base、d
[7]str= Language [8]str= Language Programming
[9]s=1234 [10]123 [11]s=15
[12]s=45 [13]place=6 [14](1,1)=-5
[15]W?个元?1,3)值是-3
[16]-9是第6个元?span style="mso-spacerun: yes"> [17]4, some string * test
[18] ?/span> string ?/span> '\0' ?/span> str-- ?/span> string
[19]9? [20]12 [21]-850,2,0
[22]k=p、k [23](c=getchar())!='#'、num[c-'A']+=1;
一?/span>
1
11-20 CDDCB DCDBA
21-30 BCBCA AADCD
31-40 ABBAA DDCCB
二?/span>
1. d?/span>
2. 序l构、选择l构、@环结?/span>
3.x>=0 ( ?/span> !(x<0) {?/span> ) x<min
4.10
5.b=i+1
6. i<10( ?/span> i<=9) j%3!=0
三?/span>
1.52
2.66877
3.a=8
1 Q设有程序段
int k=10;
while(k=0)k=k-1;
q下面描qC正确的是 _________.
a)while 循环执行 10 ?/span> b) 循环是无限@?/span>
c) 循环体语句以此也不执?/span> d) 循环体语句执行一?/span>
2 Q语?/span> while(!E); 中的表达?/span> !E {h?/span> ________.
a)E==0 b)E!=1 c)E!=0 d)E==1
3 Q下面程序段的运行结果是 __________.
int n=0;
while(n++<=2);printf("%d",n);
a)2 b)3 c)4 d) 有语法错
4 Q下面程序的q行l果?/span> ____.
#include<stdio.h>
main()
{
int num=0;
while(num<=2)
{
num++;
printf("%d\n",num);
}
}
a)1 b)1 c)1 d)1
2 2 2
3 3
4
5 Q以下程序段 ________.
x=-1;
do{
x=x*x;
}
while(!x);
a) 是死循环 b) 循环执行二次
c) 循环执行一?/span> d) 有语法错?/span>
6 Q若有如下语?/span>
int x=3;
do{printf(""%d\n",x-=2);}while(!(--x));
则上面程序段 ______.
a) 输出的是 1 b) 输出的是 1 ?/span> -2 c ) 输出的是 3 ?/span> 0 d) 是死循环
7 Q下面程序的q行l果?/span> ______.
#include<stdio.h></P< p>
main()
{int y=10;
do{y--;}while(--y);
printf("%d\n",y--);
}
a)-1 b)1 c)8 d)0
8 Q若 i 为整型变量,则以下@环执行次数是 _____.
for(i=2;i==0;)printf("%d",i--);
a) 无限?/span> b)0 ?/span> c)1 ?/span> d)2 ?/span>
9 Q执行语?/span> for(i=1;i++<4; ); 后变?/span> i 的值是 ______.
a)3 b)4 c)5 d) 不定
10 Q以下正的描述?/span> _______.
a)continue 语句的作用是l束整个循环的执?/span>
b) 只能在@环体内和 switch 语句体内使用 break 语句
c) 在@环体内?/span> break 语句?/span> continue 语句的作用相?/span>
d) 从多层@环嵌套中退出时Q只能?/span> goto 语句
Q二Q、填I题
1.下面E序D|从键盘输入的字符中统计数字字W的个数Q用换行W结?br />循环。请填空?br /> int n=0,c;
c=getchar();
while(____)
{
if(_____)n++;
c=getchar();
}
2Q下面程序的功能是用"辗{盔R?求两个正整数的最大公U数。请填空?/span>
#include <stdio.h>
main()
{int r,m,n;
scanf("%d%d",&m,&n);
if(m<n)_______;
r=m%n;
while(r){m=n;n=r;r=______;}
printf("%d\n",n);
}
3Q下面程序的q行l果是_________.
#include <stdio.h>
main()
{int a,s,n,count;
a=2;s=0;n=1;count=1;
while(count<=7){n=n*a;s=s+n;++count;}
printf("s=%d",s);
}
4Q下面程序段的运行结果是_________.
i=1;a=0;s=1;
do{a=a+s*i;s=-s;i++;}while(i<=10);
printf("a=%d",a);
5Q下面程序段的运行结果是_______.
i=1;s=3;
do{s+=i++;
if(s%7==0)continue;
else ++i;
}while(s<15);
printf("%d",i);
1 Q?逻辑q算W两侧运对象三数据cd ?span lang="EN-US">
A) 只能?font face="宋体">0?span lang="EN-US">1 B) 只能?span lang="EN-US">0或非0正数
C) 只能是整型或字符型数?font face="宋体"> D) 可以是Q何类型的数据
2 Q?判断char型变?span lang="EN-US">ch是否为大写字母的正确表达式是 ?span lang="EN-US">
A) ?font face="宋体">A?span lang="EN-US"><=ch<=?span lang="EN-US">Z?span lang="EN-US"> B) (ch>=?span lang="EN-US">A?span lang="EN-US">)&(ch<=?span lang="EN-US">Z?span lang="EN-US">)
C) (ch>= ?font face="宋体">A?span lang="EN-US">)&&(ch<=?span lang="EN-US">Z?span lang="EN-US">) D) (?span lang="EN-US">A?span lang="EN-US"><= ch)AND(?span lang="EN-US">Z?span lang="EN-US">>= ch)
3 Q?若希望当A的gؓ奇数Ӟ表达式的gؓ“真”,A的gؓ偶数Ӟ表达式的gؓ“假”。则以下不能满要求的表辑ּ?u> ?span lang="EN-US">
A) A%2==1 B) !(A%2==0) C) !(A%2) D) A%2
4 Q?设有Q?font face="宋体">int a=1,b=2,c=3,d=4,m=2,n=2;执行(m=a>b)&&(n=c>d)?span lang="EN-US">n的gؓ ?span lang="EN-US">
A) 1 B) 2 C) 3 D) 4
5 Q?以下E序的运行结果是 ?span lang="EN-US">
main()
{ int a,b,d=241;
a=d/100%9;
b=(-1)&&(-1);
printf( ?span lang="EN-US">%d,%d?span lang="EN-US">,a,b);
}
A) 6,1 B) 2,1 C) 6,0 D) 2,0
6 Q?已知int x=10,y=20,z=30;以下语句执行?span lang="EN-US">x,y,z的值是 ?span lang="EN-US">
if(x>y) z=x; x=y; y=z;
A) x=10, y=20, z=30 B) x=20, y=30, z=30
C) x=20, y=30, z=10 D) x=20, y=30, z=20
7 Q?以下E序的运行结果是 ?span lang="EN-US">
main()
{ int m=5;
if(m++>5)
printf( ?font face="宋体">%d\n?span lang="EN-US">,m);
else;
printf( ?span lang="EN-US">%d\n?span lang="EN-US">,m--);
}
A) 4 B) 5 C) 6 D) 7
8 Q?若运行时l变?font face="宋体">x输入12Q则以下E序的运行结果是 ?span lang="EN-US">
main()
{ int x,y;
scanf( ?span lang="FR">%d?span lang="FR">,&x);
y=x>12 ? x+10 : x-12;
printf( ?font face="宋体">%d\n?span lang="FR">,y);
}
A) 4 B) 3 C) 2 D) 1
二)~程?span lang="EN-US">
1 Q?~程实现Q输入整?font face="宋体">a?span lang="EN-US">bQ若a2+b2大于100Q则输出a2+b2百位以上的数字,否则输出两数之和?span lang="EN-US">
2. ~程判断输入的正整数是是否既?font face="宋体">5又是7的整倍数。若是,则输?span lang="EN-US">yesQ否则输?span lang="EN-US">no?span lang="EN-US">
3. ?font face="宋体">switch~程实现Q?span lang="EN-US">
{ -1 (x<0)
y = { 0 (x=0)
{ 1 (X>0)
4 Q??font face="宋体">switch语句~一E序Q对于给定的一个百分制成WQ输出相应的五分制成l,设:90分以上ؓ?span lang="EN-US">A?span lang="EN-US">,80?span lang="EN-US">89分ؓ?span lang="EN-US">B’,70?span lang="EN-US">79分ؓ?span lang="EN-US">C’,60?span lang="EN-US">69分ؓ?span lang="EN-US">D’,60分以下ؓ?span lang="EN-US">E?/font>
单的 C E序设计
Q一Q选择?span lang="EN-US">
1 Q?font face="宋体"> putchar函数可以向终端输Z?u> ?span lang="EN-US">
A) 整型变量表达?font face="宋体"> B) 实型变量?span lang="EN-US">
C) 字符?font face="宋体"> D) 字符或字W型变量?span lang="EN-US">
2 Q?font face="宋体"> printf函数中用到格式符%5sQ其中数?span lang="EN-US">5表示输出的字W串占用5列。如果字W串长度大于5Q则输出按方?u> Q如果字W串长度于5Q则输出按方?u> ?span lang="EN-US">
A) 从左赯字符Ԍ双I格 B) 按原字符长从左向叛_部输?span lang="EN-US">
C) 叛_齐输字符Ԍ左补I格 D) 输出错误信息
3 Q?阅读以下E序Q当输入数据的Ş式ؓQ?font face="宋体">25Q?span lang="EN-US">13Q?span lang="EN-US">10<CR>Q注Q?span lang="EN-US"><CR>表示回RQ,则正的输出l果?u> ?span lang="EN-US">
main()
{ int x,y,z;
scanf( ?span lang="FR">%d%d%d?span lang="FR">,&x,&y,&z);
printf( ?span lang="FR">x+y+z=%d\n?span lang="FR">,x+y+z);
}
A) x+y+z=48 B) x+y+z=35 C) x+z=35 D) 不确定?/span>
4 Q?Ҏ下面的程序及数据的输入和输出形式Q程序中输入语句的正Ş式应该ؓ ?span lang="EN-US">
main()
{ char ch1,ch2,ch3;
输入语句
printf( ?span lang="EN-US">%c%c%c?span lang="EN-US">,ch1,ch2,ch3);
}
输出形式Q?span lang="EN-US">A B C
输入形式Q?span lang="EN-US">A B
A) scanf( ?font face="宋体">%c%c%c?span lang="EN-US">,&ch1,&ch2,&ch3);
B) scanf( ?font face="宋体">%c,%c,%c?span lang="EN-US">,&ch1,&ch2,&ch3);</P< p>
C) scanf( ?font face="宋体">%c %c %c?span lang="EN-US">,&ch1,&ch2,&ch3);
D) scanf( ?font face="宋体">%c%c?span lang="EN-US">,&ch1,&ch2,&ch3);
5 Q?已知ch是字W型变量Q下面正的赋D句是 ?span lang="EN-US">
A) ch= ?font face="宋体">a+b?span lang="EN-US">; B) ch=?span lang="EN-US">\0?/span>; C) ch=?span lang="EN-US">7?span lang="EN-US">+?span lang="EN-US">9?span lang="EN-US">; D) ch=5+9;
Q二Q填I题
1 Q?以下的输出结果是?font face="宋体">1】?span lang="EN-US">
main()
{ short i;
i=-4;
printf( ?span lang="EN-US">\ni:dec=%d,oct=%o,hex=%x,unsigned=%u\n?span lang="EN-US">,i,i,i,i);
}
2. 以下的输出结果是?font face="宋体">2】?span lang="EN-US">
main()
{ char c= ?font face="宋体">x?span lang="EN-US">;
printf( ?span lang="EN-US">c:dec=%d,oct=%o,hex=%x,ASCII=%c\n?span lang="EN-US">,c,c,c,c);
}
3 Q?以下的输出结果是?font face="宋体">3】?span lang="EN-US">
main()
{ int x=1,y=2;
printf( ?span lang="FR">x=%d y=%d * sum * =%d\n?span lang="FR">,x,y,x+y);
printf( ?span lang="EN-US">10 Squared is : %d\n?span lang="EN-US">,10*10);
}
4. 假设变量a?span lang="EN-US">b均ؓ整型Q以下语句可以不借助M变量?span lang="EN-US">a?span lang="EN-US">b中的D行交换。请填空?span lang="EN-US">
a+= ?span lang="EN-US">4?span lang="EN-US">; b=a-?span lang="EN-US">5?span lang="EN-US">; a-=?span lang="EN-US">6?span lang="EN-US">;
5 Q??font face="宋体">x?span lang="EN-US">int型变量,则执行以下语句后?span lang="EN-US">x gؓ?span lang="EN-US">7】?span lang="EN-US">
x=7; x+=x-=x+x;
z=m=0xFFFF
6. 有一输入语句scanf(?span lang="EN-US">%d?span lang="EN-US">,k);则不能floatcd变量k得到正确数值的原因是?span lang="EN-US">8】和?span lang="EN-US">9】?/font>1 Q?一?font face="宋体">CE序的执行是?u> ?span lang="EN-US">
A) 本程序的main函数开始,?span lang="EN-US">main函数l束
B) 本程序文件的W一个函数开始,到本E序文g的最后一个函数结?span lang="EN-US">
C) 本程序文件的W一个函数开始,到本E序main函数l束
D) 本程序的main函数开始,到本E序文g的最后一个函数结?span lang="EN-US">
2 Q?以下叙述不正的?font face="宋体"> ?span lang="EN-US">
A) 一?font face="宋体">C源程序必d含一?span lang="EN-US">main函数
B) 一?font face="宋体">C源程序可׃个或多个函数l成
C) C E序的基本组成单位是函数
D) ?font face="宋体">CE序中,注释说明只能位于一条语句的后面
3 Q?以下叙述正确的是 ?span lang="EN-US">
A) 在对一?font face="宋体">CE序q行~译的过E中Q可发现注释中的拼写错误
B) ?font face="宋体">CE序中,main函数必须位于E序的最前面
C) C 语言本n没有输入输出语句
D) C E序的每行中只能写一条语?span lang="EN-US">
4 Q?一?font face="宋体">C语言E序是由 ?span lang="EN-US">
A) 一个主E序和若q个子程序组?span lang="EN-US">
B) 函数l成
C) 若干q程l成
D) 若干子程序组?span lang="EN-US">
二、数据类型、运符与表辑ּ ( 一 )
Q一Q选择?span lang="EN-US">
1 Q??font face="宋体">x?span lang="EN-US">i?span lang="EN-US">j?span lang="EN-US">k都是int型变量,则计下面表辑ּ后,x的gؓ ?span lang="EN-US">
x=(i=4,j=16,k=32)
A) 4 B) 16 C) 32 D) 52
2 Q?下列四组选项中,均不?font face="宋体">C语言关键字的选项?u> ?span lang="EN-US">
A) define IF type
B) getc char printf
C) include case scanf
D) while go pow
3 Q?下列四组选项中,均是不合法的用户标识W的选项?font face="宋体"> ?span lang="EN-US">
A) W P_0 do
B) b-a goto int
C) float la0 _A
D) -123 abc TEMP
4 Q?下列四组选项中,均是合法转义字符的选项?font face="宋体"> ?span lang="EN-US">
A) ?font face="宋体">\”?span lang="EN-US"> ?span lang="EN-US">\\?span lang="EN-US"> ?span lang="EN-US">\n?span lang="EN-US">
B) ?font face="宋体">\?span lang="EN-US"> ?span lang="EN-US">\017?span lang="EN-US"> ?span lang="EN-US">\”?span lang="EN-US">
C) ?font face="宋体">\018?span lang="EN-US"> ?span lang="EN-US">\f?span lang="EN-US"> ?span lang="EN-US">xab?span lang="EN-US">
D) ?font face="宋体">\\0?span lang="EN-US"> ?span lang="EN-US">\101?span lang="EN-US"> ?span lang="EN-US">xlf?span lang="EN-US">
5 Q?下面正确的字W常量是 ?span lang="EN-US">
A) ?font face="宋体">c?span lang="EN-US"> B) ?span lang="EN-US">\\’?span lang="EN-US"> C) ‘?span lang="EN-US"> D) ?span lang="EN-US">K?span lang="EN-US">
6 Q?以下叙述不正的?font face="宋体"> ?span lang="EN-US">
A) ?font face="宋体">CE序中,逗号q算W的优先U最?span lang="EN-US">
B) ?font face="宋体">CE序中,MAX?span lang="EN-US">max是两个不同的变量
C) ?font face="宋体">a?span lang="EN-US">bcd相同Q在计算了赋D辑ּa=b后,b中的值将攑օa中,?span lang="EN-US">b中的g?span lang="EN-US">
D) 当从键盘输入数据Ӟ对于整型变量只能输入整型数|对于实型变量只能输入实型数?span lang="EN-US">
7 Q?以下叙述正确的是 ?span lang="EN-US">
A) ?font face="宋体">CE序中,每行只能写一条语?span lang="EN-US">
B) ?font face="宋体">a是实型变量,CE序中允许赋?span lang="EN-US">a=10Q因此实型变量中允许存放整型?span lang="EN-US">
C) ?font face="宋体">CE序中,%是只能用于整数运的q算W?span lang="EN-US">
D) ?font face="宋体">CE序中,无论是整数还是实敎ͼ都能被准无误地表示
8 Q?已知字母A?span lang="EN-US">ASCII码ؓ十进制数65Q且c2为字W型Q则执行语句c2Q?span lang="EN-US">A?span lang="EN-US">+?span lang="EN-US">6?span lang="EN-US">-?span lang="EN-US">3’后Q?span lang="EN-US">c2中的gؓ ?span lang="EN-US">
A) D B) 68 C) 不确定的?span lang="EN-US"> D) C
9 Q?font face="宋体"> sizeof(float)?u> ?span lang="EN-US">
A) 一个双_ֺ型表辑ּ B) 一个整型表辑ּ
C) 一U函数表辑ּ D) 一个不合法的表辑ּ
10 Q设C语言中,一?span lang="EN-US">int型数据在内存中占2个字节,?span lang="EN-US">unsigned int 型数据的取D围ؓ ?span lang="EN-US">
A) 0 ?font face="宋体">255 B) 0?span lang="EN-US">32767 C) 0?span lang="EN-US">65535 D) 0?span lang="EN-US">2147483647
11 Q设有说明:char w; int x; float y; double z;则表辑ּw*x+z-y值的数据cd?u> ?span lang="EN-US">
A) float B) char C) int D) double
12 Q设以下变量均ؓintcdQ则g{于7的表辑ּ?u> ?span lang="EN-US">
A) (x=y=6,x+y,x+1) B) (x=y=6,x+y,y+1)
C) (x=6,x+1,y=6,x+y) D) (y=6,y+1,x=y,x+1)
Q二Q填I题
1 Q?若有以下定义Q则计算表达?font face="宋体">y+=y-=m*=y后的y值是?span lang="EN-US">1】?span lang="EN-US">
int m=5,y=2;
2. ?font face="宋体">C语言中,一?span lang="EN-US">int型数据在内存中占2个字节,?span lang="EN-US">int型数据的取D围ؓ?span lang="EN-US">2】?span lang="EN-US">
3 Q??font face="宋体">s?span lang="EN-US">int型变量,?span lang="EN-US">sQ?span lang="EN-US">6Q则下面表达式的gؓ?span lang="EN-US">3】?span lang="EN-US">
s%2+(s+1)%2
4. ?font face="宋体">a?span lang="EN-US">int型变量,则下面表辑ּ的gؓ?span lang="EN-US">4】?span lang="EN-US">
(a=4*5,a*2),a+6
5 Q??font face="宋体">x?span lang="EN-US">a均是int型变量,则计表辑ּQ?span lang="EN-US">1Q后?span lang="EN-US">xgؓ?span lang="EN-US">5】,计算表达式(2Q后?span lang="EN-US">x gؓ?span lang="EN-US">6】?span lang="EN-US">
(1) x=(a=4,6*2)
(2) x=a=4,6*2
6. ?font face="宋体">a?span lang="EN-US">int型变量,则计下面表辑ּ?span lang="EN-US">a的gؓ?span lang="EN-US">7】?span lang="EN-US">
A=25/3%3
7 Q??font face="宋体">x?span lang="EN-US">n均是int型变量,?span lang="EN-US">x?span lang="EN-US">n的初值均?span lang="EN-US">5Q则计算表达式后x的gؓ?span lang="EN-US">8】,n的gؓ?span lang="EN-US">9】?span lang="EN-US">
x+=n++
8. 若有定义Q?font face="宋体">char c=?span lang="EN-US">\010’;则变?span lang="EN-US">c中包含的字符个数为?span lang="EN-US">10】?span lang="EN-US">
9 Q?若有定义Q?font face="宋体">int x=3,y=2;float a=2.5,b=3.5;则下面表辑ּ的gؓ?span lang="EN-US">11?span lang="EN-US">
(x+y)%2+(int)a/(int)b
10. 已知字母a?span lang="EN-US">ASCII码ؓ十进制数97Q且?span lang="EN-US">ch为字W型变量Q则表达?span lang="EN-US">ch=?span lang="EN-US">a?span lang="EN-US">+?span lang="EN-US">8?span lang="EN-US">-?span lang="EN-US">3’的gؓ?span lang="EN-US">12】?span lang="EN-US">