B. 1 percent. C. 75 percent. D. 0.025 percent. 相关知识点: 试题来源: 解析 D 解析:数字计算题。根据第一段中“Only 2.5 percent of the water on the Earth is fresh water,and less than 1 percent of that is usable and renewable.”可知,D项数字正确。 答案:D反馈 收藏 ...
Fresh water is very important in the world. About 97% of water on Earth is salt water. Man can only drink or use the water from rivers, lakes and the underground. But now the water shortage becomes a big problem. And people are trying their best to find more ways to get fresh water...
The world is in great need of fresh water. About 97% of water on Earth is salt water. Man can only drink or use the rest which comes from rivers,lakes and the underground. The number of people in the world is becoming larger and larger,so we need more and more fresh water. Now wa...
the world is in great need of fresh water. About 97% of water on Earth is salt water. Man can only drink or use the rest which comes from rivers, lakes and underground. The number of people in the world is becoming larger and larger, so we need more and more fresh water. Now wat...
About 3% of the water on Earth is " (fresh; salty)". 相关知识点: 试题来源: 解析 1.fresh 考查形容词词义辨析。句意:地球上大约3%的水是 "淡水" 。fresh意为淡水的,salty意为含盐的。根据常识可知地球上只有近3%是淡水。故答案为fresh。
1地球淡水不多,所以我们必须节约用水.There is not fresh water on Earth, we must save water. 2【题目】地球淡水不多,所以我们必须节约用水T here is notfresh water on Earth ,wenusinaveces 3【题目】地球淡水不多,所以我们必须节约用水T here is not_ fresh water on Earth , _ we must save ...
The earth has little usable water. Luckily, each of us can do something to save water. People are becoming wiser wisely in their own cities. If we work together, we will have a better world.根据材料内容选择最佳答案。( )31. What percentage of the earth is covered by water?A. About 25...
5___ . A. meter tall B. meters tall C. meter high D. meters high 4( ) Her brother is only about 1.5 .A. meter tallB. meters tallC. meter highD. meters high 5About ___ of the water on Earth is “fresh”or without salt. A. 3% B. 10% C. 20% 反馈 收藏 ...
A. glaciers and ice caps B. rivers C. lakes D. groundwater 相关知识点: 试题来源: 解析 A。解析:地球上大部分的淡水储存在冰川和冰盖(glaciers and ice caps)中。河流(rivers)、湖泊(lakes)和地下水(groundwater)中的淡水量相对冰川和冰盖来说较少,所以正确答案是A。反馈...
fresh water on the earth in 50 years. 答案 【解析】less更少的,修饰不可数名词;根据in 50 years可知用there be句型的一般将来时therewill be.故答案是T here will be less相关推荐 1【题目】50年后地球上将会有更少的淡水。fresh water on the earth in 50 years....