D 11. Mona can get water from the A. rivers R trees C. flowers D. leaves12. How old is Gerry? A. Five. B. Seven C. Eight. D. Eleven.13. Which of these animals can't see things very well? A. The koala. B. The elephant. 相关知识点: 试题来源: 解析 答案见上 反馈 收...
But some people don’t really care about this . They waste a lot of water pour dirty water and throw rubbish into rivers or lakes. As a result many rivers and lakes are polluted and there is less and less water for us to drink. So we must do something to protect the water resource....
How Cities Treat Our Water1.Water is drawn in from lakes, riversor ground water.Incoming water is screened () toremove() all large objects.2.Inside the plant, Chlorine() is added to killCImicro-organisms(微生物).After that, Aluminum () is3.added to bring remainingparticles() together.4...
34.We mustn't make rivers dirty so that we'll have clean water. A35.We don't have enough water to use now. A.答案答案:31. A 细节判断题.根据第一段句子We drink it every day and use it to cook and wash things.我们每天都喝,用它来做饭和洗东西.可知我们每天饮用和...
The amount of water created and the amount of water lost is about the same. At any one time, the world's total volume of water is in many different forms. It can be liquid, as in oceans, rivers and rain; solid, as in glaciers; or gaseous, as in the invisible water vapor in the...
Our city has started to face the problem. Some rubbish is sorted and sent to a certain place .Waste gas is cleaned before it goes into the air. Waste water is also cleaned before it is poured into rivers. People should be prevented from throwing rubbish everywhere. We should try our best...
Rivers and streams - 河流和小溪 Fresh water - 淡水 Suggests that - 表明 Highly unlikely - 高度不可能 Large, well-developed - 大的,发育良好的 Localized areas - 局部地区 Significant flaw - 重大缺陷 Evidence that questions - 证据质疑 Highly unlikely for seafloor dwellers - 对于海底居住者来说高度...
are already thinking about the water issue. Bringing water from Earth is impractical – it’s far too heavy to carry all the water required for a mission in a rocket. So the plan is to collect water from the Mars environment, and to do that we’d need to know where water is...
important to man, we can’t live without water. The amount of water which is suitable to drink is less and less. But some people don’t care about it. They waste a lot of water in their daily life. Even worse, they pour dirty water into rivers. They throw rubbish into rivers, too...
Water is very important to the human beings.But now many rivers and lakes are polluted. And what shall we do ? We can do like this: First we must prevent the factory from pouring waste water into the river Second we should stop people from throwing litter into the river.Many kinds of ...