地球是我们唯一的家园

1、地球是我们唯一的家园(The Earth is our only home)地球是我们唯一的家园some people imag ine to leave this fearful world, only to e dow n to earth. scie ntists tell us that of all the stars known in the vast uni verse, the earth is the only pla net on which huma n beings can survive. but now we are facing the risky problem

2、s concerning our existe nee on earth.worldwide en vir onmen tal deteriorati on is alarmi ng. the earth is plagued with populati on explosi on, en ergy crisis, lack of food, hous ing problem anden vir onmen talpolluti on.duri ngthe process ofin dustrializati on, huma n beings are pursu ing crazily th

3、e ben efits from the econo mic growth. now we have suffered from the results. the overuse of n atural resources has affected ecosystem on earth.en vir onmen tal deteriorati on has critically upset the bala nee of nature. the damage mainly attributes to man ' s ignorance, greed and wastef uln ess

4、. for immediate in terests huma n beings have overused earth resources with no thought for the future. now the terrible damage poses a severe challe nge to our existe nceg the n what will our future be if we do not act now ii-强备课挥关虫龄三生的三三机的备合起案，做教以理的教三三：:宰关:器：?个作公正、公本着评价=生负担 f -改上狠*。校赛紀迄褒三的Tif,本升芸兰亍弐.3写.“文并一:芯主匸三mm切活丁按二历HvS-s，认真完三丑三综情的去方三专识要到耳：为顾壬三文在科的教要体下多学的基学生学校输送合学习力能题於的出念三要础打提好科科究维丁.力并检验应用/册：二+混:运算:应:数的:;：瓷二 寸刍小的意括.