单选题：Nationswhoinvestmoreonitskidsareprobablygoingtowininanintens

题目内容：

Nationswhoinvestmoreonitskidsareprobablygoingtowininanintensivelycompetitiveglobaleconomyinthefuture.

参考答案：

答案解析：

Today,theratioofthespendingonanelderlytothatonakidisseventoo

Today,theratioofthespendingonanelderlytothatonakidisseventoone.

分类：英语六级题型：单选题

ThecompanyCyberdynehasbeensetuptomakewearablesystemsthatcanaddartificialstrengt

分类：英语六级题型：单选题

Sofar,thereisnotanyrobothandcancompetewithhumanhandintermsofutility.

分类：英语六级题型：单选题

分类：英语六级题型：单选题

Questions are based on the following passage．People's tastes in recreation dif

分类：英语六级题型：单选题