2nde C D Anglais Devoir 1 Semestre 1 CEG1 Allada 2013 2014

1 1 1 1 1 ·1 1 1 1 1 1 1 - 5-Man has to Iearn to regulate his exploitation of trees so that the forests are not suddenly depleted. The falling of trees must be done, not haphazardly, but with "discrimination", sothat the younger trees are given space to develop, and seedlings 4-When man, in his eagerness to draw quick profit from trees, cuts them down neediessly and for his wants only, the results are serious. The heavy tropical rain falls on.hard ground and flows away on the surface causing floods-'Whichcarry away the rich top soil in which crops grow so well, is gone nothing remain but worth less , desert. 2-Sometimes we are so busy enjoying and using the various products from trees that we fail to appreciate their most important function. To coyer and protect the soil, their braches, with constantly, dropping leaves, provide a canopy beneath which is a complex mixture of organi~~fte~~d up over periods of time. . 1f 3-Their roots break up the soil together and allow the falling rain to sink in easily. At the same time, the roots help to hoId the soil together and prevent it from being washed by floods. 111-L'EPREUVE A-LA REACTION A UN TEXTE ECRIT (CD2) Contexte:De nos jours