中央廣播電視大學“開放?？啤鞭r村環(huán)境保護期末考試試題及參考答案資料參考-展示頁
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【正文】 監(jiān)測和________三種。30．按污染源存在形式分為________和移動污染源。共30分)31．簡述改變農業(yè)生產生態(tài)環(huán)境現(xiàn)狀的重要方法。(6分)34．簡述大氣中氟化物對植物的危害。(6分)五、論述題（15分) 36．試述綠色食品養(yǎng)殖業(yè)關鍵技術。(每小題2分，共20分) 1．B 2．D 3．A 4．B 5．A 6．A 7．A 8．B 9．A 10．D二、名詞解釋(每小題4分，共20分) 11 12 13．是利用天然池塘或人工修造的淺水池塘的污水處理法。15三、填空題(每空1分，共15分。共30分) 31．(6分) 要改變農業(yè)生產生態(tài)環(huán)境的現(xiàn)狀，減少化肥施用量是重要的方法。(2分)它可作為基肥和追肥施用，從而減少化肥施用量，提高化肥利用率，并培肥土壤。(1分) 33．(6分) 主要表現(xiàn)在：一是因不合理地開發(fā)利用農業(yè)自然資源而導致的大面積生態(tài)破壞問題，(2分)如砍伐森林、水土流失、沙漠化、鹽漬化等；(1分)二是工農業(yè)廢棄物和農業(yè)活動帶來的環(huán)境污染問題，(2分)如城市垃圾和城市污水的污染，規(guī)?；菪箴B(yǎng)殖場廢水污染，農藥、化肥、地膜和農業(yè)徑流污染等。(2分)生成難溶性氟化鈣沉淀于局部，從而干擾酶的催化活性，阻礙代謝機制，破壞葉綠素和原生質，使得遭受破壞的葉肉因失水干燥變成褐色。(2分) 35．(6分) 由于鉛在土壤中固定為難溶性鉛的能力較強，因此，通過食物鏈而引起人體鉛中毒的現(xiàn)象極少。(2分)鉛對幼苗生長也有明顯的抑制作用，這主要是由于鉛抑制了幼苗對營養(yǎng)吸收和使葉綠素含量減少，光合作用受阻。(1分) (2)根據(jù)牲畜的生活習性和需求進行圈養(yǎng)和放養(yǎng)(1分)給動物提供充分的活動空間、充足的陽光、新鮮的空氣和清潔的水源。禁止給牲畜預防接種(包括為了促使抗體物質的產生而采取的接種措施)。不干涉畜禽的繁殖行為，不允許有割畜禽的尾巴、拔牙、去喙、燒翅膀等損害動物的行為。(2分) (5)飼料添加劑(1分)是為了滿足飼養(yǎng)動物的需要向飼料中添加的少量或微量物質，有關有機農業(yè)方式中限制和禁止使用的物品可以參考歐盟的有關標準。(2分) 請您刪除一下內容，O(∩_∩)O謝謝！?。?015年中央電大期末復習考試小抄大全，電大期末考試必備小抄，電大考試必過小抄After earning his spurs in the kitchens of The Westin, The Sheraton, Sens on the Bund, and a sprinkling of other topnotch venues, Simpson Lu fi nally got the chance to bee his own boss in November 2010. Sort of. The Shanghaiborn chef might not actually own California Pizza Kitchen (CPK) but he is in sole charge of both kitchen and frontof house at this Sinan Mansions39。 It’s certainly a responsibility to be the head chef, and then to have to manage the rest of the restaurant as well, the 31yearold tells Enjoy Shanghai. In hotels, for example, these jobs are strictly demarcated, so it’s a great opportunity to learn how a business operates across the board. For sure it was a big step, and unlike all their other Asia operations that are franchises, they decided to manage it directly to begin with, says Simpson.brand ambassador’ on hand to ensure the business adheres to its ethos of creating innovative, hearthbaked pizzas, a slice of PR blurb that Simpson insists lives up to the hype. The largely local customer base evidently agrees and on Saturday and Sunday, at least, the place is teeming. The kidseatforfree policy at weekends is undoubtedly a big draw, as well as is the spacious secondfl oor layout overlooked by a canopy of green from Fuxing Park over the road. as good, in fact, as in CPK’s second outlet in the popular Kerry Parkside shopping mall in Pudong. and the small tables are intentional imi
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