The second paragraph mainly tells us ___. A. how seas were formed B. it was hot on the earth long ago C. how rain was made D. there were no oceans on the E. arth long ago 相关知识点: 试题来源: 解析 [答案] A [解析] 主旨大意题。第二段主要讲述的是海洋的形成过程。反馈 收藏...
A lake is anarea filled with water, localized in a basin, surrounded by land, apart from any river or other outlet that serves to feed or drain the lake. Lakes lie on land and are not part of the ocean, although like the much larger oceans, they form part of Earth's water cycle. ...
大学英语44学习通课后章节答案期末考试题库2023年Why Sylvia thinks oceans are importantI gave a talk not so long ago at the World Bank and I sh
Plastic waste constitutes at least 85 percent of all trash floating in the world's oceans. The main problem with plastic — besides there being so much of it — is that it doesn't biodegrade. No natural process can break it down. (Experts point out that the durability that makes plas...
Finally, some of this runoff makes it way back into lakes and oceans, where it is again evaporated by the sun. You can learn more about the water cycle in How the Earth Works. Water that falls to the ground and stays in the soil ends up evaporating and retiring to the atmosphere. ...
You can find water in streams, rivers, lakes, seas and oceans on the earth。 Now the water we can use is not enough for us because the human beings have polluted it a lot。 If there is no water, we won’t have any water to drink。 We will also have no food to eat because ther...
They multiplied and filled the oceans and seas with oxygen, which encouraged the later development of early shellfish and all sorts of fish. Next, green plants began to grow on land. They were followed in time by land animals. Some were insects. Others, called amphibians, were able to ...
Ocean Conservancy is one of several organizations working toward a common goal: saving the Earth’s oceans. They have started doing this by creating the Whale Protection movement that still exists. Though they have made significant progress throughout the years, there is still much to be done. ...
This plays a huge part in the climate, because it means that oceans take a long time to warm up. Water is often known as the universal solvent, which means that many substances dissolve in it. Substances that dissolve in water are hydrophilic. This means that they are as strong or ...
The reading suggests agnostids may have been predators, akin to other primitive arthropods, hunting smallerorganismsin the ancient oceans. It proposes their small size did not prevent them from preying on even smaller sea life. In contrast, the lecture points out a significant flaw in this theory...