“叭!叭!叭!”一阵尖锐刺耳的喇叭声在背后响着,正当我想回过头时,一辆乌贼车已加足马力向前冲去,排气管排放出一股乌烟瘴气,害我咳了起来。我忍不住低声向妈妈埋怨,妈妈摇摇头说:“你知道人们每天制造出多少空气污染吗?这些废气造成了温室效应,使得我们地球温度越来越高。”我听了以后,想起在学校曾经看过“正负二度C”记录片,片中提到因为全球暖化,造成冰山融化,海平面上升,部 While a sharp harsh trumpet ringing in the back, just when I think back, a squid car has been horsepower rushed forward, the exhaust pipe emit an ill-fated, I cough up harm me. I can not help but murmur to my mother whispered, my mother shook her head and said: “Do you know how much air pollution people make every day? These emissions caused by the greenhouse effect, making our planet temperature is getting higher and higher.” “I heard later , Remembered in the school had seen ”positive and negative second C" documentary, the film mentioned because of global warming, causing the melting iceberg, the sea level rise, the Ministry