The agreement, the first to formally require industrialized countries to cut emissions of gases linked to global warming, is a formal protocol by which 38 industrialized countries must reduce emissions of these gases by 2012 or face heavy penalties.
by which
for which
under which
such that
wherein
习惯用语-介词 under,表示“协议、法律或制度”的名词常与介词 under 连用,under 在这种情况下的意思是 according to“根据,按照”
习惯用语-介词 under,表示“协议、法律或制度”的名词常与介词 under 连用,under 在这种情况下的意思是 according to“根据,按照”。
考点:习惯用语、句子结构
习惯用语-介词 under,表示“协议、法律或制度”的名词常与介词 under 连用,under 在这种情况下的意思是 according to“根据,按照”。