1.According to the IMF staff's research, ( ) has made the biggest contribution to rising i ncome inequality over the past two decades. trade globalization B FDI C technological progress D education2.China's GDP, measured in PPP terms, pass ed the US in ( ) and will probably doublet hat of the US by 2030 and triple it by 20402 050. 1984 1994 2004 2014 @@@@