【单选题】【消耗次数:1】
IfIhad_______,I’dvisitEurope,stoppingatallthesmallinterestingplaces.
alongenoughholiday
anenoughlongholiday
aholidayenoughlong
alongholidayenough
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相关题目
【单选题】 以下程序段:int i,a=3,b=2;i=(--a==b++)?--a:++b;printf(i=%d a=%d b=%d,i,a,b);输出结果是。
①  i=1 a=1 b=3
②  i=3 a=2 b=3
③  i=4 a=1 b=4
④  i=4 a=2 b=4
【单选题】 设有程序:则在程序中的两个括号中分别应填入() main( ) { int i,a[11]; printf(给数组赋值:\n); for (i=0;i scanf(%d,( )); ... ... printf(输出数组:\n); for(i=0;i printf(%d,,( )); }
①  a[i]和a[i]
②  a[i]和a[i]
③  a[i]和a[i]
④  a[i]和a[i]
【单选题】 I thought I knew the way, but ____I got lost.
①  somehow
②  somewhat
③  anyhow
④  anyway
【单选题】 I __________ going to the doctor, but I wish I hadn’t.
①  pick out
②  make out
③  give off
④  put off
【单选题】 下述程序的运行结果( )。 #includevoid main() { int i; for(i=1;i+1;i++) { if(i4){printf(%d\t,i++);break;} printf(%d\t,i++); } }
①  1 3 5
②  1 2 3
③  1 3 4
④  1 4 5
【简答题】 #include stdio.hint main(){char a[ ]=I love China!,b[20];int i;for(i=0;*(a+i)!=\0i++)*(b+i)=*(a+i);*(b+i)=\0//printf(string a is:%s\n//printf(string b is:for(i=0;b[i]!=\0i++)printf(%c,b[i]);printf(\nreturn 0;}以上程序运行结果为[填空1]。
【单选题】 循环语句“for(int i=0; i<n; i++) cout<<i*i<<’ ’;”中循环体执行的次数为()。
①  1
②  n-1
③  n
④  n+1
【单选题】 循环语句“for(int i=0; i<n; i++) cout<<i*i<<’ ’;”中循环体执行的次数为(????)
①  1
②  n-1
③  n
④  n+1
【单选题】 --I was quite surprised that I was elected as the chairman of the meeting.--________________________________
①  I think so.
②  You shouldnt surprise.
③  You are welcome.
④  You did an outstanding job and you really deserved it.
【单选题】 有以下程序,程序运行以后的输出结果是() #include stdio.h main( ) { int a[ ]={2,3,5,4},i; for(i=0;i switch(i%2) { case 0:switch(a[i]%2) {case 0:a[i]++;break; case 1:a[i]--; }break; case 1:a[i]=0; } for(i=0;i printf(\n); }
①  3 3 4 4
②  2 0 5 0
③  3 0 4 0
④  0 3 0 4
随机题目
【单选题】 投掷两个均匀的骰子,已知点数之和是偶数,则点数之和为6的概率为
①  5/18
②  1/3
③  0.5
④  以上都不对
【单选题】 A、B、C是任意事件,在下列各式中,不成立的是
①  <img class=jc-formula data-tex=(A-B)\cup B=A\cup B src=https://huaweicloudobs.ahjxjy.cn/0296C491279A3BFE6C5CA6324FDE2605.png style=vertical-align: middle;/>
②  <img class=jc-formula data-tex=(A\cup B)-A=B src=https://huaweicloudobs.ahjxjy.cn/CF6D1D1201A35DE22CCE9AEEF20089E6.png style=vertical-align: middle;/>
③  <img class=jc-formula data-tex=(A\cup B)-AB=A\overline { B } \cup \overline { A } B src=https://huaweicloudobs.ahjxjy.cn/F933AEC3CD4525220374BF696E5BEA56.png style=vertical-align: middle;/>
④  <img class=jc-formula data-tex=(A\cup B)\overline { C } =(A-C)\cup (B-C) src=https://huaweicloudobs.ahjxjy.cn/A0A9393928581B44D3DAE71B489F093A.png style=vertical-align: middle;/>
【单选题】 以A表示事件“甲种产品畅销,乙种产品滞销”,则其对立事件<img class=jc-formula data-tex=\overline { A } src=https://huaweicloudobs.ahjxjy.cn/3EEC120FC93CB6E352E860EAAB3C025E.png style=vertical-align: middle;/>为
①  “甲种产品滞销,乙种产品畅销”
②  “甲、乙两种产品均畅销”
③  “甲种产品滞销”
④  “甲种产品滞销或乙种产品畅销”
【单选题】 若<img class=jc-formula data-tex=P(B\left| A \right) =1 src=https://huaweicloudobs.ahjxjy.cn/6BF20AEB8F730E84E39D58FD22FD300A.png style=vertical-align: middle; width: 79px; height: 26px; width=79 height=26/>,那么下列命题中正确的是
①  <img class=jc-formula data-tex=A\subset B src=https://huaweicloudobs.ahjxjy.cn/C71575BA4DFD20383E7F5C41F8A28934.png style=vertical-align: middle;/>
②  <img class=jc-formula data-tex=B\subset A src=https://huaweicloudobs.ahjxjy.cn/625188EC2C532FE4854CE06AB57B5229.png style=vertical-align: middle;/>
③  <img class=jc-formula data-tex=A-B=\phi src=https://huaweicloudobs.ahjxjy.cn/91C8AFFB9EEC4684601467D3A0322E7C.png style=vertical-align: middle;/>
④  P(A-B)=0
【单选题】 设事件A和B的概率为<img class=jc-formula data-tex=P(A)=\frac { 1 }{ 2 } ,P(B)=\frac { 2 }{ 3 } src=https://huaweicloudobs.ahjxjy.cn/B8A27CF4C2717DCB36E435476F547299.png style=vertical-align: middle;/>则P(AB)可能为
①  0
②  1
③  0.6
④  <img class=jc-formula data-tex=\frac { 1 }{ 6 } src=https://huaweicloudobs.ahjxjy.cn/A21CFDE4872E0D4758507486117F82D5.png style=vertical-align: middle;/>
【单选题】 打靶3 发,事件Ai表示“击中i发”,i= 0,1,2,3。那么事件<img class=jc-formula data-tex=A={ A }_{ 1 }\cup { A }_{ 2 }\cup { A }_{ 3 } src=https://huaweicloudobs.ahjxjy.cn/89D15616050B7F4278D8D6DF780248B4.png style=vertical-align: middle;/>表示
①  全部击中
②  至少有一发击中
③  必然击中
④  击中3发
【单选题】 设<img class=jc-formula data-tex=0P(A)1,0P(B)1,P(A\left| B \right) +P(\overline { A } \left| \overline { B } \right )=1 src=https://huaweicloudobs.ahjxjy.cn/8A1B3E06E77B99186F1AA8E01E3316C3.png style=vertical-align: middle;/>,则下列结论成立的是
①  事件A和B互不相容;
②  事件A和B互相对立
③  事件A和B互不独立
④  事件A和B互相独立
【单选题】 设A,B,C为三个事件,且A,B相互独立,则以下结论中不正确的是
①  若P(C)=1,则AC与BC也独立.
②  若P(C)=1,则<img class=jc-formula data-tex=A\cup C src=https://huaweicloudobs.ahjxjy.cn/ECFBDDF24996917EA300075A2EF96068.png style=vertical-align: middle; width: 56px; height: 20px; width=56 height=20/>与B也独立.
③  若P(C)=0,则<img class=jc-formula data-tex=A\cup C src=https://huaweicloudobs.ahjxjy.cn/ECFBDDF24996917EA300075A2EF96068.png width=56 height=20 style=font-family: 宋体; font-size: 14px; white-space: normal; vertical-align: middle; width: 56px; height: 20px;/>与B也独立.
④  若<img class=jc-formula data-tex=C\subset B src=https://huaweicloudobs.ahjxjy.cn/5AF7C06E7D78B9242171900D637B5C9F.png style=vertical-align: middle; width: 51px; height: 23px; width=51 height=23/>,则A与C也独立
【单选题】 一口袋中有3个红球和2个白球,某人从该口袋中随机摸出一球,摸得红球得5分,摸得白球得2分,则他所得分数的数学期望为
①  2.5
②  3.5
③  3.8
④  以上都不对
【单选题】 设A,B为两随机事件,且A<img class=jc-formula data-tex=\supset src=https://huaweicloudobs.ahjxjy.cn/37A4B3C430EFA04CF480D02C0DFECE89.png style=vertical-align: middle; width: 20px; height: 17px; width=20 height=17/>B,则下列式子正确的是
①  P(A<img class=jc-formula data-tex=\cup src=https://huaweicloudobs.ahjxjy.cn/9BD598E68F21E65385221B2250659C3A.png style=vertical-align: middle; width: 22px; height: 14px; width=22 height=14/>B) = P(A)
②  P(AB)=P(A)<img width=99 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image002.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/>
③  P(B|A)=P(B)
④  P(B-A)=P(B)-P(A)<img width=76 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image002.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/><img width=83 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image004.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/><img width=76 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image002.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/><img width=83 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image004.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/><img width=76 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image002.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/><img width=83 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image004.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/><img width=76 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image002.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/><img width=83 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image004.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/><img width=76 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image002.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/><img width=83 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image004.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/>