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【单选题】
肋形楼盖中的四边支承板，当长短跨比（）时，按双向板设计。A.
l2/l1≥2
B.
l2/l1>2
C.
l2/l1≤2
D.
l2/l1<2< /div>
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【简答题】程序功能:递归实现斐波那契数列fib(n)。 #include using namespace std; long fib(int n) { if(_____________________________ || ____________________________) return 1; else return fib(n-1)+ _______________________________...
【判断题】入出境人员选择“红色通道”,表明人出境人员没有需办理海关验放手续的物品; 人出境人员选择“绿色通道”,意味着入出境人员需办理行李物品验放手续。符 合“绿色通道”通关条件的入出境人员需向海关出示本人护照 ( 或其他有效旅行 证件 ) 和身份证。 ( )
A.
正确
B.
错误
【单选题】2017年《普通高中思想政治课程标准》指出:高中思想政治以___为根本任务,以培育社会主义核心价值观为根本目的,是帮助学生树立正确的政治方向、提高思想政治学科核心素养、增强社会理解和参与能力的综合性、活动型学科课程。
A.
全面发展
B.
立德树人
C.
增长能力
D.
提高素质
【单选题】听力原文：Before going to the library to return his books, George has his homework done in his classroom and posted his letter in the post office near the school gate. Which of the following things is the ...
A.
Doing his homework.
B.
Returning his books.
C.
Going to library.
D.
Posting his letter.
【单选题】Which of the following italicized parts is an appositive clause?
A.
That George has married his cousin surprises many of his friends.
B.
It is reported that 5,000 people died in the earthquake.
C.
The news that you told me yesterday proved to be false.
D.
They are excited at the news that their team has won.
【单选题】What is the most important thing that George has learned from this college?
A.
How to learn.
B.
How to make friends.
C.
How to change other people.
D.
How to take care of himself.
【单选题】下面程序的功能是使用递归法求解斐波那契数列，请指出实现函数定义功能的语句区间是（ ）行语句。1 n=eval(input("输入数值数据： "))2 def fib(n):3 if n < 3:4 return 15 else:6 return fib(n-1) + fib(n-2)7 for i in range(1, n+1):8 print(fib(i), end=' ' )
A.
1-8
B.
2-8
C.
1-6
D.
2-6
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