1People can produce fresh water from the sea now.A. steal B. make C. collect 2People can produce fresh water from the sea now.A.stealB.makeC.collect 3 【题目】People can produce fresh water from the sea now.A. steal B. make C. collect 4People can produce fresh water from the...
完形填空 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...
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...
light up science (科学)6b 课件unit 4 making fresh water part 1 make it-精品文档 UNIT4 I’mthirsty.Iwanttodrinkfreshwater.Butwehaveonlysaltywater.制备淡水 Seawaterissalty,Butweneedtodrink.Canwemakefreshwater?I’mthirsty.Iwanttodrinkfreshwater.Butwehaveonlysaltywater.Whatdoyouthink?Part1MakeIt colle...
aA. man hasn't got enough food to eat A. 人没得到足够的食物吃[translate] aD. more water is sent into sewer systems[translate] aA. much and salty B. fresh and enough[translate] a(a) Make full use of the sea water.[translate]
The air was so different from the city, cool and fresh. M: Sound great! W: Yeah, there wasn't a cloud in the sky and we could see from miles from the top. What about you? What did you do? M: Busy packing. W: Oh, yes, of course! I forgot you and Jenny are moving into ...
There are two kinds of water---sea water and fresh water\uff0eSea water is \uff082\uff09{{$2$}} and we can't drink it\uff0eWe drink fresh water\uff0eWater is an interesting thing\uff0eWhen we boil water\uff0cit will \uff083\uff09{{$3$}} steam\uff0eIf we put a piece ...
a但是我们必须节约水,保护水资源 But we must save the water, protects the water resources[translate] aIt was so quiet you look at enough! 它是,很安静您神色在足够![translate] aI'll write report 我将写报告[translate] aIf there is, I thought, and you see the sea, to see the sunrise, ...
(IGDB), said, "We found that during the jointing stage of wheat, the use of saline water for irrigation does not affect the growth and yield. It can also save about 20 percent of fresh water." This technology has been promoted in over 66,000 hectares of land in the Bohai coastal ...
Tu explains that in standard desalination processes, "it normally has two steps: First we evaporate the water into vapor, and then we need to condense the vapor to liquify it into fresh water." With this discovery, he says, potentially "we can achieve high efficiency on theevaporationside."...