【简答题】当行为不确定性出现时,由于无法在交易完成之后准确地评价交易伙伴的行为是否达到了交易合同规定的标准,而会产生
【判断题】Solar panels, wind turbines, hydro power and geothermal energy and hydrocarbons (natural gas or coal) can all be used to produce hydrogen (a primary energy).
【单选题】Just as people differ in their ability to hear sound, ______ differ in their appreciation of sounds.
【简答题】下列程序生成N项斐波那契数列,依次输出成金字塔形。 斐波那契数列是指第1、2项为1,从第3项开始,每项的值为其前两项之和,即: 1 ,1,3,5,8,13,21,34,55,...... #include #define N 12 main() { int fib[N],h,c,i; // 生成斐波那契数列。 fib[0]=fib[1]=1; for(i=0;i 1 ; // 将fib中的数据...
【简答题】计算斐波那契数列的前20项,并以每行5项的形式输出。斐波那契数列的第一项为0,第二项为1,其后各项依次为前两项之和,即0,1,1,2,3,5,8....请纠正下列程序中的4处错误。 public class Prog3{ public static void main(String[] args){ int f1,f2,f3,i; f2=1; f3=0; System.out.println(f1...
【简答题】下列程序输出第1~4行依次为_____,_____,_____,_____: #include using namespace std; class A{ int a, b, c; public: A(){ a=0; b=0; c=0; } A(int x, int y=2, int z=3){ a=x; b=y; c=z; } void Print() { cout Pr...
【单选题】When cultures differ, __________.
A.
communication practices differ
B.
people who speak a particular language differ
C.
people from a particular geographic region differ
D.
people from a certain culture differ
【多选题】按生命元素对人体正常生命作用不同可分为( )。