we can use the water to clean the toilet.This is the reuse of water At school,we should pay attention on the wirings,we must turn off the lights and turn off the fans before leaving the classroom.It
Climate change will play havoc(大范围的破坏;浩劫) with agriculture and water supplies and will increase diseases. "By 2025 the proportion of the world's population living in countries of significant water str
you are traveling, you can take some pictures. When you are tired and want to relax yourself, you can enjoy music or play games. All these are not be a dream any more if you have a mobile phon
Y-S (程一松), et al. Effect of potassium fertilizationon the photosynthetic characteristics of the leaf of winter wheat populationduring its grain filling stage. ChineseJournal of Applied Ecology (应用生态学报)
1、 Learning a foreign language cannot be interrupted for a day. If there is really no time, even squeeze out ten minutes every day. The morning is a good time to learn a foreign language.
毕业感想英语作文范文 How time flies! I have studied in my school for three years. And I will graduate from middle school in a month. I am eager to share my happiness and sadness with you. I ha