UC知道science问题，英语好的人进
来源：百度知道 编辑：UC知道 时间：2024/05/10 05:55:06
两个问题。
第一：why must water be treated before drinking?我知道这个句子的意思，但是不会回答。
第二：with so much water in world,explain why some places suffer water shortages .Make a list of ways that a water shortage would affect your life.这个连意思都不知道了。
有谁可以帮我解答下，用英语！
第一：why must water be treated before drinking?我知道这个句子的意思，但是不会回答。
第二：with so much water in world,explain why some places suffer water shortages .Make a list of ways that a water shortage would affect your life.这个连意思都不知道了。
有谁可以帮我解答下，用英语！
1. it may contain bateria that does harm to your body.
2. Water shortage problems exist in most of the countries in Africa, mid-east and island countries. The problems could cause desert land, lacking of drinking water etc.
1 For there are lots of germs（微生物）and bad chymic element and gas (有害化学成分或气体)in untreated water.
2 世界上有这么多水却为什么还有缺水问题呢？列举一些例子说明水对你的生活的影响。
1 maybe nature water has something that does harm to our health in it！such as bacterium，some minerals，germs etc
2 在地球上有如此多的水，为什么有点地方还缺水。请列出由于缺水而影响你生活的途径！意即缺水如何影响你的生活的！
1、Because the water is so valuable now.
2、世界水的总量很大，但如何解释有不少地区仍旧缺水。列一张表，来阐述缺水对你生活的影响。
1.Because more and more warter has been polluted.
2.世界上有这么多水，解释一下为什么会有那么多水源贫乏的地方．
举例或列单说明缺水将会给你的生活带来怎样的影响