第一段1.if given the choice, a great many people wouldat least.如果可以选择的话，很多人至少想2.as is depicted the drawing如图所示3.thesefall into the category of这些都属于的范畴4.as is revealed in the caricature, a young man如图所示，一个年轻人5.the caption indicates that文字说明显示6.most people today are aware ofchallenges facing our planet如今大多数的人都意识到了我们地球所面临的的挑战7. understand thatis/are necessary steps towards都能理解是的必然途径8.it is shown in the drawing that如图所示9.and below th
