【单选题】如果依次输入4, 6.8, 1, 9.7, -2,请问以下程序的输出结果是____________。 number = eval(input()) max = number while number>0: number = eval(input()) if number > max: max = number print(max)
【简答题】在数列{a n }中,若a 1 ,a 2 是,且a n =|a n-1 -a n-2 |,n=3,4,5,…,则称{a n }为“绝对差数列”, (Ⅰ)举出一个前五项不为零的“绝对差数列”(只要求写出前十项); (Ⅱ)若“绝对差数列”{a n }中,a 20 =3,a 21 =0,数列{b n }满足b n =a n +a n+1 +a n+2 ,n=1,2,3,…,分别判断当n→∞时,a ...
【单选题】如果依次输入4, 6.8, 1, 9.7, -2,请问以下程序的输出结果是( )。 (提示:先将下列程序运行后的出错部分进行修改) number = eval(input()) max = number while number>0: number = eval(input()) if number > max max = number else: print(max)
【单选题】如果依次输入4, 6.8, 1, 9.7, -2,请问以下程序的输出结果是( )。 (提示:先将下列程序运行后的出错部分进行修改) number = eval(input()) max = number while number>0: number = eval(input()) if number > max max = number print(max)
【简答题】看图填入相应的国名完成对话。 1. —Where did Tom go on vacation? —He went to . 2. —Where did you go on vacation? —I went to . 3. —Where did they go on vacation? —They went to . 4. —Where did Lucy go on vacation? —She...
【简答题】根据课文内容,回答下列问题。 1. Where did Lingling go? ____________________ 2. When did she go? ____________________ 3. Where is Xinjiang? ____________________ 4. What lake did she visit? ____________________ 5. Di...