【单选题】______ Brokers are those people, according to the passage, who buy or sell business shares for others.
【简答题】(函数级数的连续性条件)若f k (x)(k=1,2,3,…)都在[a,b]内连续,并且 .则函数f(x)在[a,b]内连续的必要与充分条件便是 在[a,b]上为次一致收敛.[阿尔齐拉]
【简答题】Occasionally people who buy a product find ways of using it that get around the necessity of buying more ______.
【单选题】设f(x)= , 若函数f(x)在[a,b]上连续,则f(x)在(a,b)内必有()
【单选题】函数f(x)在点x=a处的左右极限存在且相等,则它是函数在x=a处连续的
【单选题】海洋运输货物保险中,大宗、低值、粗糙的无包装货物适合投保()。
【单选题】海洋货物运输保险中,大宗、低值、粗糙的无包装货物适合投保()
【单选题】People who buy stock in a corporation such as General Electric become
A.
creditors of General Electric, so the benefits of holding the stock depend on General Electric's profits.
B.
creditors of General Electric, but the benefits of holding the stock do not depend on General Electric's profits.
C.
part owners of General Electric, so the benefits of holding the stock depend on General Electric's profits.
D.
part owners of General Electric, but the benefits of holding the stock do not depend on General Electric's profits.
【判断题】若函数f(x) 在x 0 点连续,则 必存在.
【单选题】What gives people who buy on credit more pleasure?
A.
The cheapest price of the things they buy.
B.
The great amount of money they spend.
D.
The good quality of the things they buy.