【简答题】There are warm tropical regions all over the globe, but only the Indians of the South American rain forests have formed the habit of sleeping in the open air. Long before they made painful acquaintanc...
【简答题】朗读以下段落并录音上传 The next greenhouse was called the “Humid Tropics Biome”. This was really enormous. Immediately inside this greenhouse I began to feel hot and sticky in the moist air. There was a heavy ri...