1) three kinds of inner ditches 内三沟 1. The characteristics of soil erosion on farmland are studied, as well as the slopes ofthree kinds of inner ditchesand river banks in the high sandy soil area of Jiangsu Province. 研究了平原高沙土地区农田、内三沟及河坡土壤侵蚀的特点 ,农田土壤侵蚀后...
根据they will become harmful things falling on the ground with rain.This is one of the reasons for soil erosion and water pollution.可知空气污染会引起土壤侵蚀和水的污染,故答案为:C. (3).【答案】 B 【解析】 第一段介绍了三种污染土壤污染、空气污染和水污染.故答案为:B. (4).【答案】 C 【...
When people drive their cars, fumes which are mostly made up of NO2 and SO2 are given off. After the gases get into the air, they may mix with clouds. Then they will become harmful things falling on the ground with rain. This is one of the reasons for soil erosion(土壤侵蚀) and ...
the sequences of the magnitude of soil erosion of the four kinds of vegetation were:Arachis hypogaea L.grasslandAstragalus adsurgens Pall.Melilotus suaveolens in the same slope and precipitation amount.The magnitude of soil erosion of the four kinds of vegetation increases with rising of the slope...
aEnvironment - current issues: inadequate supplies of potable water; wildlife populations threatened by excessive hunting; soil erosion; desertification; periodic drought 环境-现期杂志: 饮用水不充分的供应; 过份狩猎威胁的野生生物群; 土壤侵蚀; 沙漠化; 周期性天旱[translate] ...
【题目】5. The main idea of this passage should beA. to introduce the kinds of pollution and the ways to control itB. to introduce the harmful chemicals and soil erosionC. to introduce the alternative energy and the ways to use it
Water pollution includes soil erosion. 5. The main idea of this passage should be ___. J. to introduce the kinds of pollution and the ways to control it K. to introduce the harmful chemicals and soil erosion L. to introduce the alternative energy and the ways to use it 反馈 收藏...
a沙漠化以为着年复一年,不断减少着土壤的肥力,导致土壤品质恶化,于是水土流失便加速进行 The desertification was thinking year after year, unceasingly is reducing the soil fertility, causes the soil quality to worsen, therefore the soil erosion then accelerates to carry on[translate] ...
a轻微水土流失 Slight soil erosion[translate] athe poor have nothing 贫寒什么都没有[translate] a你应该弄清楚原因 You should clarify the reason[translate] a我会证明给你们看得 正在翻译,请等待...[translate] a对自己行为负责,成为大家的榜样 Is responsible for oneself behavior, to become everybody the...
which prevents rainwater from c 6 pollutants to the ocean.In addition, trees hold soil tightly t 7 and prevent soil erosion (水土流失).They reduce the amount of topsoil (表层土) that runs off easily, keeping soil in place.The above are not the only ways that trees protect the environment...