[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fqPtpi5ECmVGlrWWVyF9-nJr6n9j-QTmU45fUm7u07S8":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2024-05-17 21:00:43",140245814,[8,9,10,11],"Python 中的 if else 语句可以细分为三种形式,分别是 if 语句、if else 语句和 if elif else 语句","elif 和 else 都不能单独使用,必须和 if 一起出现,并且要正确配对","if、elif语句的最后都有冒号:.但else 语句的最后不需要有冒号","IF语句不管有多少个分支,都只能执行一个分支,或者一个也不执行,不能同时执行多个分支",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},15,"0cff82970d718d7ba0520d4a856b59b6","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe28e75ab5d6586e9a7ac1a8d79b921b0.webp","Python编程基础与应用","work_34560214","第4章\"分支结构\"在线练习题目作业(不随机,15题)","以下关于Python 中的IF的说法有误的是()",[21,33,42,51,60,63,72,81,90,97],{"answer":22,"createTime":23,"id":24,"options":25,"question":30,"source":31,"type":32},[],"2024-04-25 18:36:51",140245810,[26,27,28,29],"Python 中 if-else 语句用来造成二分支结构","分支结构能够向已经执行过的语句部分跳转","分支结构使用 if 保留字","Python 中 if-elif-else 语句描述多分支结构","关于 Python 的分支结构,如下选项中描述错误的是","v1",0,{"answer":34,"createTime":5,"id":35,"options":36,"question":41,"source":31,"type":32},[],140245811,[37,38,39,40],"在Python的程序流程图中能够用处理框表示计算的输出结果","多分支结构是用if-elif-else处理多种可能的状况","单分支结构是用if保留字判断知足一个条件,就执行相应的处理代码","二分支结构是用if-else根据条件的真假,执行两种处理代码","19. 如下关于程序控制结构描述错误的是",{"answer":43,"createTime":5,"id":44,"options":45,"question":50,"source":31,"type":32},[],140245812,[46,47,48,49],"if 语句中条件部分可使用任何可以产生True和False的语句和函数","if 语句中语句块执行与否依赖于条件判断","二分支结构有一种紧凑形式,使用保留字if和elif实现","多分支结构用于设置多个判断条件以及对应的多条执行路径","关于分支结构,如下选项中描述不正确的是",{"answer":52,"createTime":5,"id":53,"options":54,"question":59,"source":31,"type":32},[],140245813,[55,56,57,58],"python","t","None","Python","如下程序的输出结果是:t ="Python"print(t if t>="python" else "None")",{"answer":61,"createTime":5,"id":6,"options":62,"question":19,"source":31,"type":32},[],[8,9,10,11],{"answer":64,"createTime":5,"id":65,"options":66,"question":71,"source":31,"type":32},[],140245816,[67,68,69,70],"Python 里,能用分支结构写出循环的算法","二分支结构组合造成多分支结构","程序由三种基本结构组成","分支结构包括单分支结构和二分支结构","如下关于程序控制结构描述错误的是",{"answer":73,"createTime":23,"id":74,"options":75,"question":80,"source":31,"type":32},[],140245818,[76,77,78,79],"a=30, b=30","a=20, b=1","a=20, b=20","a=30, b=1","如下程序的输出结果是: a = 30 b = 1 if a >=10: a = 20 elif a>=20: a = 30 elif a>=30: b = a else: b = 0 print("a={}, b={}".format(a,b))",{"answer":82,"createTime":5,"id":83,"options":84,"question":89,"source":31,"type":32},[],140245820,[85,86,87,88],"if(x>y) print(x)","min = x if x < y else y","max = x >y ? x : y","while True: pass","设 x = 10;y = 20,下列语句能正确运行结束的是",{"answer":91,"createTime":5,"id":92,"options":93,"question":96,"source":31,"type":32},[],140245822,[94,28,95,29],"Python 中 if-else 语句用来形成二分支结构","分支结构可以向已经执行过的语句部分跳转","关于 Python 的分支结构,以下选项中描述错误的是( )",{"answer":98,"createTime":23,"id":99,"options":100,"question":19,"source":31,"type":32},[],140245824,[101,9,102,103],"在if 语句中,一旦if语句中的某个表达式成立,Python 就会执行它后面对应的代码块","在if else 语句中,如果if语句中的所有表达式都不成立,那就执行 else 后面的代码块","在if 语句中,执行过程最简单的就是只有一个 if 部分.如果表达式不成立(假),就执行后面的代码块;如果表达式成立(真),就什么也不执行"]