甘肅廣播電視大學理工英語4unit7 形考成績-單元自測7(10分)答案_第1頁
甘肅廣播電視大學理工英語4unit7 形考成績-單元自測7(10分)答案_第2頁
甘肅廣播電視大學理工英語4unit7 形考成績-單元自測7(10分)答案_第3頁
甘肅廣播電視大學理工英語4unit7 形考成績-單元自測7(10分)答案_第4頁
全文預覽已結束

下載本文檔

版權說明:本文檔由用戶提供并上傳,收益歸屬內容提供方,若內容存在侵權,請進行舉報或認領

文檔簡介

1、試卷總分:100 得分:100一、選擇填空:閱讀下面的對話或句子,從A、B、C三個選項中選出一個能填入空白處的最佳選項。?Do you eat porridge every day? ? .Porridge is my favoriteNo, sometimes Id have a cup of soybean milk, a boiled egg and a steamed bun for my breakfastI seldom eat fast food because its rich in fat答案:B2.?I think the other reason can be ident

2、ified from the industrialization of food production.? ? .?Some illegal traders care about nothing but making money.?That bothers me tooI sincerely hope that the whole society pay much more attention to food safetyYes, you bet答案:C3. So how can we buy safe food? ? .The higher the price, the safer the

3、foodWe can plant vegetables and fruits by ourselvesWhen we choose food, we must remember to check its tag, confirming whether the basic information is marked on it答案:C4.You can have eggs ? or hard-boiled.fryingfriedhave fried答案:B5.This, they argue, will be essential to ? the needs of a booming popul

4、ation in decades to come and avoiding starvation.meetmeetingmet答案:B6.二、閱讀理解:閱讀下面的短文,根據文章內容從A、B、C三個選項中選出一個最佳選項。(課外選材)According to experts, the advantage of modified food is that it helps in preventing the occurrence of allergies and also has a long shelf life. However, a major portion of the populati

5、on is against the consumption of genetically modified food and is concerned about its disadvantages. If you are also confused about the consumption of genetically modified food, read through the pros and cons given below and decide for yourself.Advantages of Genetically Modified FoodsOne of the most

6、 prominent advantages of genetically modified food is that it helps in controlling the occurrence of certain diseases. Certain foods cause allergy to people. Their genetic modification alters the DNA system of these foods, thereby making them non-allergic.Another major advantage of such type of food

7、s is that they grow faster than their traditionally grown counterparts. As a result, there is greater productivity and more food.A person need not bother about any additional costs, such as buying chemicals and pesticides, when it comes to genetically engineered food. The food is naturally pest-resi

8、stant.Farming these foods can be a great way to fight world hunger. Since these crops grow faster or more effectively, increased production would help countries wherein crops may not normally prosper because of less than desirable environmental conditions.The increased shelf life of these food produ

9、cts helps in reducing the quantity of rotten food.Disadvantages of Genetically Modified FoodsThe biggest disadvantage of genetically modified food is that they have harmful effects on the human body. The consumption of these genetically engineered foods can lead to development of diseases that are i

10、mmune to antibiotics.Chances of developing cancer are high in people who regularly consume engineered food.Since it is an unnatural way of producing foods, there is an increased health hazard such as allergens, transfer of antibiotic resistance markers and unknown effects.Since the production of eng

11、ineered food involves infusing animal genes in the crops and tampering with nature, it might not be good for consumption in the long run.?How does genetically modified food control the occurrence of certain diseases?By cross-pollinating.By conventional crossbreeding.By altering the DNA system of the

12、se foods.2. Do farmers need to buy any chemicals and pesticides if they plant genetically modified food?Yes, they need to. Because the food is not resist to pests.No, they dont need to. Because the food is naturally pest-resistant.No, they dont need to. Because the chemicals and pesticides are provi

13、ded by the government.3. Which statement is not the advantage of genetically modified food?It may have harmful effects on human body.Genetically modified food grows faster than their traditionally grown counterparts.Farming genetically modified food can help fight world hunger.4. What would happen to a person if he regularly consume genetically modified food?He would get cold.He would lose some weight.He would have cancer.5. Which title is the

溫馨提示

  • 1. 本站所有資源如無特殊說明,都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請下載最新的WinRAR軟件解壓。
  • 2. 本站的文檔不包含任何第三方提供的附件圖紙等,如果需要附件,請聯系上傳者。文件的所有權益歸上傳用戶所有。
  • 3. 本站RAR壓縮包中若帶圖紙,網頁內容里面會有圖紙預覽,若沒有圖紙預覽就沒有圖紙。
  • 4. 未經權益所有人同意不得將文件中的內容挪作商業或盈利用途。
  • 5. 人人文庫網僅提供信息存儲空間,僅對用戶上傳內容的表現方式做保護處理,對用戶上傳分享的文檔內容本身不做任何修改或編輯,并不能對任何下載內容負責。
  • 6. 下載文件中如有侵權或不適當內容,請與我們聯系,我們立即糾正。
  • 7. 本站不保證下載資源的準確性、安全性和完整性, 同時也不承擔用戶因使用這些下載資源對自己和他人造成任何形式的傷害或損失。

評論

0/150

提交評論