六、阅读理解①Do you know how much of the earth is covered by water? All life on the planet needs water. But some water on our planet is not clean.In order to keep water clean, we mustn't throw rubbish into the seas, rivers, or lakes. We can also use special machines to clean ...
That may seem strange to you, since nearly 75% of the earth's surface is covered with water. But about 97 % of this huge amount is sea water, or salt water. Man can only drink and use the other 3%-tile fresh water from rivers, lakes, underground, and other sources. And we cannot...
The Earth is like our mother.She gives live to all the living things on the Earth.And she provice us with air、food、water and other things we need for living.Once she was beautiful ahd rich.But mow she is crying, becacuse she is becoming dirtier and dirtier, poorer and poorer. It'...
About 75% of the Earth’s surface is covered with water. 97% of the water ___ Earth is salt water. It is made up of salt water ___ other minerals (矿物质). Humans cannot ___ this water. Less than 1% of all the water on Earth is fresh water that we ___ use. So water is...
作文一 With the advancement of industrialization, there is less and less fresh water on the earth, and the water of life will die. Humans will die of thirst if they do not drink water for a long time, plants will dry up without water, and animals will die without water. ...
Only 3% of the water on the Earth is fresh. It is fromrivers and lakes and groundwater. Most of the fresh water is in the icebergs in the NorthPole and the South Pole.People use fresh water for drinking, farming, washing, etc65% of your body is waterDo you want to keep that much...
Do you want to keep that much water in your body?Drink a lot of water.Answer the following questions.1 What is the article about?2 How much of the Earth is covered with water?3 How much of the water on the Earth is fresh water?4 People can drink salty water, can't they?5 Where...
Did you ever wonder how much water is on Earth? Yes, the oceans cover about 71 percent of the Earth's surface. But, volume is a concept that is hard to grasp.
Water is one of the most unusual natural components found on earth and it is also one of the most important. It can be found in solid, liquid, or gaseous states. It serves as a living medium for several different ecosystems. We use water for drinking...
As a matter of fact, the earth is short of fresh water. Furthermore, with the rapid growth of the world population, the rising demand for water by industry, and the serious pollution of our surroundings, the world is facing the ganger of running out of fresh water. Actually, in some bi...