The poor countries are extremely _______to international economic fluctuations
B
暂无解析
Thepoorcountriesareextremely_______tointernationaleconomicfluctuations
Successful learning is not a(n)________activity but consists of four distinct stages in a specific order
Tom placed the bank notes ，_________the change and receipts ，back in the drawer ．
设数列 {an} 的前 n 项和为 Sn，则 {an} 等差。
(1) S n4=n 2+2n, n=1,2,3
(2) S n4=n 2+ 2n +1,n=1,2,3
In 1991，while t11e economies of industrialized countries met an economic_____，the economies of developing countries were growing very fast ．