【简答题】阅读理解. We are going to describe one way to build a rooftop garden that does not even require soil. Four things are needed for a small rooftop garden. One thing is a roof that can support the weight. An...
【单选题】How to Deal with Loneliness A Loneliness is a feeling of emptiness or hollowness inside you. You feel isolated or separated from the world, cut off from those you would like to have contact with. Ther...
【简答题】The huge Florida wetland known as the Everglades is a slow-moving river 80 kilometres wide but only a few centimeters deep. People call the Everglades a “river of grass” because sawgrass covers most o...