For example, Qomolangma is about 60 million years old and the Amazon Rainforest is about 55 million years old. The Baltic Sea, the youngest sea in the world, is 2 about 15,000 years old. The earth is always 3 because of volcanoes (火山), earthquakes and, of course, wind and rain. ...
(1)D.形容词辨析.A更老的,B更大的,C更小的,D更年轻的,根据上句Scientist believe the earth is 4.6 billion (十亿)years old.科学家认为地球有46亿年的历史。这里应该是我们今天看到的沙漠和森林比这要年轻得多,故答案是D.(2)B.副词辨析.A几乎不,B只,C相当地,D永远,根据The Baltic Sea, the younges...
The Earth is 4.5 billion years old, but the human race has lived on it for just 200,000 years.In that short time, we have achieved some amazing things.Many of humans'great achievements are in science and technology. The list is almost endless. The 1. invention of the airplane has ...
Nancy Szokan
The Earth’s history has been 45 billion years. Now it can be found in different periods (时期) of different 1 of fossils, and these fossils can 2 the history of our planet earth-shaking changes. Over 200 million years ago, on Earth there 3 a group of animals: the dinosaurs. They ...
But for all this beautiful diversity to have proliferated, Earth has had to provide a favourable environment for around four billion years. What, then, were the conditions which enabled the blooming of life on Earth?但是，为了让这些美丽的多样性得以增殖，地球必须在大约40亿年的时间里一直为它们提供...
1【题目】The Earth is 4.5 billion years old, but the humanrace has lived on it for just 200,000 years. In that shorttime, we have achieved some amazing things.Many of humans' great achievements are in scienceand technolog. The listis almost endless. The 1.iof the airplane has changed ...
The Earth is 4.5 billion years old, but the human race has lived on it for just 200,000 years. In that short time, we have 1 some amazing things. Many of humans' great achievements are in science and technology. The list is almost endless. The 2 of the airplane has changed our ...
2There are more than 7 billion people on Earth. Imagine what will happen if each of us decides to do one thing-no matter how small-to protect wildlife every day.(1)___. Here are ways you can make a difference. Raise an animal From wild animals to wild places, there's a choice ...
这本书名为《A Brief History of Earth: Four Billion Years in Eight Chapters》, 作者是Andrew H. Knoll。 1. **Chemical Earth** - 这一章节可能讨论了地球的化学组成,包括地球形成初期的元素和化合物,以及它们如何塑造了地球的早期条件。 在第一章 "Chemical Earth" 中,作者Andrew H. Knoll 探讨了地球...