[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fyWpPwDfio6OKgvGcI1Rnf1nZrc59Al-c1cRJMqPirlA":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":8,"question":15,"related":16,"source":27,"type":94},[],"2025-06-09 16:10:32",196968934,[],{"count":9,"courseId":10,"courseImg":11,"courseName":12,"workId":13,"workName":14},18,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","a964dfae6b2e486bb68e896458edb9b2","第4章测试题","判断一个大于2的正整数是否为质数,代码如下:pn<-function(x){for(i in 2:____){if(____){cat(x,"是合数",sep="")break}else{cat(x,"是质数",sep="")}",[17,29,38,44,51,60,69,79,89,95],{"answer":18,"createTime":19,"id":20,"options":21,"question":26,"source":27,"type":28},[],"2025-06-05 15:51:09",194691355,[22,23,24,25],""meat"",""banana" "broccoli" "beef"","beef",""beef"","这行代码switch("meat",fruit="banana",vegetable="broccoli",meat="beef")输出结果为( )","v1",0,{"answer":30,"createTime":19,"id":31,"options":32,"question":37,"source":27,"type":28},[],194691359,[33,34,35,36],"FALSE","both TRUE","TRUE FALSE FALSE","TRUE","x<-c(TRUE,FALSE,FALSE),y<-c(TRUE,TRUE,FALSE),运行x&&y这行代码是什么结果( )",{"answer":39,"createTime":40,"id":41,"options":42,"question":43,"source":27,"type":28},[],"2025-06-05 15:51:10",194691363,[33,34,35,36],"x<-c(TRUE,FALSE,FALSE);y<-c(TRUE,TRUE,FALSE),运行 x&y 这行代码是什么结果( )",{"answer":45,"createTime":40,"id":46,"options":47,"question":50,"source":27,"type":28},[],194691367,[48,49,35,34],"both FALSE","TRUE TRUE FALSE","x<-c(TRUE,FALSE,FALSE);y<-c(TRUE,TRUE,FALSE),运行 x|y 这行代码是什么结果( )",{"answer":52,"createTime":40,"id":53,"options":54,"question":59,"source":27,"type":28},[],194691369,[55,56,57,58],"source函数","var函数","range函数","signif函数","使用自定义的函数时可通过( )调用",{"answer":61,"createTime":40,"id":62,"options":63,"question":68,"source":27,"type":28},[],194691376,[64,65,66,67],"midian","dnorm","source","return","下列选项中表示返回值的函数是( )",{"answer":70,"createTime":71,"id":72,"options":73,"question":78,"source":27,"type":28},[],"2025-06-05 15:51:11",194691383,[74,75,76,77],"median","quantile","qnorm","rnorm","求正态分布的分位数的函数为( )",{"answer":80,"createTime":71,"id":81,"options":82,"question":87,"source":27,"type":88},[],194691387,[83,84,85,86],"round(4.95,1)","ceiling(4.95)","signif(4.95,1)","floor(4.95)","下列函数作用4.95,得到的结果为5的是( )",1,{"answer":90,"createTime":5,"id":91,"options":92,"question":93,"source":27,"type":94},[],196968933,[],"floor(4.78901)=____,ceiling(-1.5)=____,trunc(9.85)=____,round(7.89,1)=____,signif(7.89,1)=____",2,{"answer":96,"createTime":5,"id":6,"options":97,"question":15,"source":27,"type":94},[],[]]