( )3. Only three percent of the water on the Earth ___ fresh water.A) isB) wasC) areD) were 相关知识点: 试题来源: 解析 A 本题考查主谓一致和时态。句中“percent”修饰不可数名词“water”,因此谓语动词用单数形式。由于描述的是客观事实,所以用一般现在时。故选A。反馈...
Task Ⅰ How much water can we use? …...Not that much! 75 percent of the earth is water; but we can only use about 2.5 percent. The chart below shows the percentage of fresh water on Earth. Summarize the information by selecting and reporting the main features, make comparisons where...
百度试题 结果1 题目20. About three percent of the water on the earth is f___ (淡的) water.相关知识点: 试题来源: 解析 fresh 题目要求填写一个形容词来描述淡水,即非咸水。英语中描述淡水的形容词是“fresh”。因此,答案为“fresh”。反馈 收藏 ...
根据上文的“All living things need clean, fresh water to survive. Ninety-seven percent of the water on earth is in the ocean. The salt in the ocean water makes it unusable for drinking. Another two percent is frozen in the ice caps and glaciers on the Earth.(所有生物都需要干净、新鲜的...
that much 75 percent of the earth is water; but we can only use about 2.5 percent. The chart below shows the percentage of fresh water on Earth. Summarize the information by selecting and reporting the main features, make comparisons where relevant and find out possible solutions of water ...
Even though water covers about 71 percent of the Earth's surface, not all of it is safe to drink. In fact, less than three percent is fresh water, according to the United States Bureau of Reclamation. Most of the water is contained in the oceans and must be desalinated (脱盐) for ...
Ourplanetiscoveredinwater. Just 2.5 percentofthatwater, however, isfresh. Ofthat, onlyaboutonethirdisliquid. Therestislockedupasice. Yetwedependonthefreshwateravailableforeverything.Asclimatechanges, though, wateravailablechangestoo. Water, climateandweatherareconnectedinthewatercycle. Scientistsusesupercomp...
About 71 percent of the Earth's surface is covered by water.Water in nature is saltwater and fresh water,but only three percent of that amount(数量) is freshwater.A lot of organizations are saying that people are running out of usable water,but few are taking this problem seriously. Why ...
The largest inland(内陆的) body of water is the Caspian Sea. It has about forty percent of the water on the earth, but it can't 11 any ocean.Many lands are around it. The inland waters are 12 easier to be polluted than ocean waters.The Caspian Se a got its name because 13 Romans...
Fresh water—connecting and sustaining all aspects of life on Earth, including food and energy—is in great danger. Moreover, scientists are worried not only about fresh water; they worry that we are not worried enough about fresh water, especially in light of growing concern over recent events...