China ________the WTO for more than 10 years,and it has brought great changes to ita.has joined,b.has been in,c.has become a member of,d.has jioned in.

0.1%wt/wt ( )________the Olympic gold medal to China.（ ）________the Olympic gold medal to China.A.Bring B.Bringing C.To bring D.BroughtA动名词作主语 不是应该选B么 为什么选A吖 1、The beef ________ ________ （来自）America.2、________the children come from China?（急,帮帮小妹啦!） wt%是什么意思 Trans.Wt. how ________the moon is ________the idea________(sound)great. 企业处于wt处境,WT含义是? 含砷0.1wt%,wt是什么单位? wt-p53基因是什么? e=NBSwsin(wt). cos^2 wt求导 net.wt.4. (Asin(wt+φ))’ 求导(Asin(wt+φ))' wt % 什么意思 网络WT是什么意思? wt~ 什么意思