【单选题】楼梯有10阶台阶,上楼可以一步上1阶,也可以1步上2阶,编程计算10阶台阶总共有多少走法.提示:可以递推计算,如1阶台阶总共一种走法,2阶台阶总共2走法,3阶台阶总共3种走法,直到计算出10阶台阶走法。在空白处填写适当的表达式或语句,使程序完整并符合题目要求。#includeintmain(){inti=0,a[10];a[0]=1;a[1]=2;for(_______;i<10;++i){___...
A.
第7行: i = 2 第9行: a[i] = a[i - 1] + a[i - 2] 第11行: a[9]
B.
第7行: i = 1 第9行: a[i] = a[i - 1] + a[i - 2] 第11行: a[10]
C.
第7行: i = 2 第9行: a[i+2] = a[i] + a[i + 1] 第11行: a[9]
D.
第7行: i = 0 第9行: a[i+1] = a[i ] + a[i - 1] 第11行: a[10]
【多选题】社会工作者进入社区后,应对社区的基本情况有一个初步的认识和了解。社区基本情况包括()几个方面。
【多选题】社会工作者进入社区后,应对社区的基本情况有一个初步的认识和了解。社区本情况包括()几个方面。
【简答题】How does KFC promote the concept that fast food is not junk food?
【单选题】How does the concept of elasticity allow us to improve upon our understanding of supply and demand?
A.
Elasticity allows us to analyze supply and demand with greater precision than would be the case in the absence of the elasticity concept.
B.
Elasticity provides us with a better rationale for statements such as “an increase in x will lead to a decrease in y ” than we would have in the absence of the elasticity concept.
C.
Without elasticity, we would not be able to address the direction in which price is likely to move in response to a surplus or a shortage.
D.
Without elasticity, it is very difficult to assess the degree of competition within a market.
【单选题】某社区卫生服务中心在一大型国有企业职工居住地社区设立社区卫生服务站。建站后为评估社区状况,社区护士联合社区居委会,邀请社区居民代表、工厂领导、工厂职工代表以及工厂附属幼儿园、小学代表召开座谈会,调查社区基本健康状况。社区护士使用的社区评估方法是
【单选题】一国国际收支顺差,将引起外国对本币需求 ,本币 。
【简答题】What does “hegemony” really mean? How does it work? Who used this concept of hegemony first?
【单选题】下面代码的执行结果是。()print(pow(3,0.5)*pow(3,0.5)==3)
B.
pow(3,0.5)*pow(3,0.5)==3