_____ that they eventually reduce the amount of labor needed on construction sites by 90 percent.
A:So clever are the construction robots
B:Such construction robots are clever
C:So clever the construction robots are
D:Such clever construction robots are
第1题:
有如下程序: #include<iostream> using namespace std; class Amount{ int amount; public: Amount(int n=0):amount(n){} int getAmount()const{return amount;} Amount&operator9=(Amount a){ amount+=a. amount; return______; } }; int main(){ Amount x(3),y(7); x+=y, cout<<x. getAmount()<<endl; return 0; }已知程序的运行结果是10,则下划线处缺失的表达式是
A.* this
B.this
C.&amount
D.amount
第2题:
第3题:
9、Shuffle过程分为Map端的操作和Reduce端的操作 。()
第4题:
有下列程序: #include<iostream> Using namespace std; Class Amount{ int amount; public; Amount(int n=O):amount(n){} Int getAmount()const{return amount;} Amount &operator+=(AmountA) {
A.*this
B.this
C.&amount
D.amount
第5题:
第6题:
7、BookStore数据库中有销售明细表OrderDetail(OrderCode, BookCode, Amount) 查询销售总量前20%的图书,并按总销量降序排列。SQL语句: SELECT TOP 20 PERCENT Bookcode As 书号, SUM(Amount)As总销量 ROM OrderDetail GROUP BY Bookcode ORDER BY ________
A.Amount DESC
B.SUM(Amount) DESC
C.COUNT(Amount) DESC
D.ADD(Amount) DESC