Scientists know how to make sea water fresh. They know many 41 of taking out the salt. One way is to boil the salt water. 42 the water boils, the 43 rises. When the steam(蒸汽) 44 it becomes fresh water. 45 way is to use the 46 of the sun. A tray(盘)with special glass ...
Scientists know how to make sea water fresh. They know many 1 of taking out the salt. One way is to boil the salt water. 2 the water boils, the 3 rises. When the steam 4 it becomes fresh water. 5 way is to use the 6 of the sun. A tray (盘子) with a special glass side...
Do you know how to get fresh water in an island? There is a new way of getting fresh water.First people make some long ponds.They are about half a metre deep.Then they put a cover(盖)over each pond.The cover is made of glass,and you can see through it. At night,people pour ...
Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words. Task 1 柱状图 - - 范文 答题 More and more people today expect to get what they want instantly (e.g. goods, services, news), without having to wait. Why...
aThesis Submitted to Master of Science in Management Science 论文递交给理学硕士在管理科学 [translate] a还是全部靠进口? Depends on the import completely? [translate] a如果多给水,鱼就不会死了 If gives the water, the fish could not die [translate] a侍者捧上一盘菜 The waiter carries in a T....
Scientists have found some ways to turn salt water into fresh water. One important way is to boil sea water with high heat until vapor rises, leaving the salt. In this way, a lot of fresh water can be made quickly. 正在翻译,请等待...[translate]...
Fog harvesting, as the technique is known, is not a new idea: Systems to make use of this airborne potablewateralready exist in at least 17 nations. But the new research shows that their efficiency in a mildfogcondition can be improved by at least fivefold, making them far more feasible...
On May 22, 2021, Yuan Longping died. As we all know, Grandpa Yuan was Father of Hybrid Rice. He worked all his life and stuck to researching out better rice in order to make people in the world have enough food. I think he was a great man. He was so selfless and hard-working ...
1. What makes the matter how long whales live in fresh water be discussed? A. Humans want to find more places for whales. B. Humans want to find fresh water in the ocean. C. Whales are facing dangers living in the sea. D. Whales make several visits to fresh water. 2. What does ...
D 【解析】根据第一段第一句“How long whales live in fresh water has become a matter of some discussion with several visits of whales to fresh water."可知,人们 之所以探讨鲸能在淡水中存活的时长是因 为一些鲸多次在淡水中出没。 42. B 【解析】根据画线词前的“a few feet deeper"和后面的“...