E4 Exam Desertification Revision

Which of the following are physical factors leading to desertification? (More than 1 answers)

下列哪項是導致荒漠化的自然因素？ (多於一個答案）

• Rapid increase in population 

  人口急速增長 

• Reduction in rainfall 

  降雨減少 

   

• Increase in global average air 

  temperatures 

  全球平均氣温上升

• Flooding increases

  氾濫增加

Which place has the highest risk of desertification?

下列哪個地區受荒漠化影響的風險最高？

• S

• R

• Q

• P

Which of the following places in drylands are LESS likely to suffer from desertification? （More than 1 answers)

下列哪些位於旱地的地區，受荒漠化威脅的機會較低？(多於一個答案)

• A place where nomads keep small land

  飼養小量牲畜

• A place where birth rate is low. 

  生育率低的地區

• A place where people rely on fuel 

  wood for warming and cooking. 

  民眾依賴木材取暖和煮食

• A place where active in cultivation

  民眾經常有農業活動

Which of the following is/are characteristics of the soil and vegetation in northern China? （MORE THAN 1 ANSWERS)

下列哪項是中國北部的土壤和植被特點？(多於一個答案）

• Dense vegetation 

  植被茂密

• High productivity of land 

  土地生產力高

• Low productivity of land 

  土地生產力低

• Dry and poor soil 

  土壤乾旱和貧瘠

Which of the following are the climatic characteristics of northern China? (More than 1 answer)

下列哪項是中國北部的氣候特點？(多於一個答案)

• Low annual rainfall 

  年降雨量少

• Warm summer and cold winter 

  夏季溫暖、冬季寒冷

• Large annual range of temperature 

  年温差大

• Hot summer and warm winter 

  夏季炎熱、冬季溫暖

Answer explanation

What is this human activity? 這是什麼人類活動？

Why do trees and grass help stop desertification? (More than 1 answers)

為甚麼樹和草有助遏止荒漠化？ (多於一個答案)

• They can purify air. 

  這些植物能淨化空氣。 

• They can beautify the environment.

  這些植物能美化環境

• They can trap soil particles. 

  這些植物阻截飛揚的麈土

• They can protect soil from erosion. 

  這些植物能保護泥土免受侵蝕 

Circle "Gansu" 圈出甘肅省

Name "A"

Name "C"