地理 GEOG|2021 DSE 試卷一 MC 答案及解題影片|2021 DSE Paper 1 MC Answers and Solution Videos

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第一題 Question 1

正確答案 Correct Answer : D ( 59% )

重點概念 Important Concepts

  • 應透過觀察等高線,以判斷選項 (1) 及 (2) 正確與否
    To determine option (1) and (2), candidates should observe the contour lines

第二題 Question 2

正確答案 Correct Answer : C ( 44% )

重點概念 Important Concepts

  • 山脊 Ridge
  • 山咀 Spur
  • 林地 Woodland

第五題 Question 5

正確答案 Correct Answer : C ( 54% )

第七題 Question 7

正確答案 Correct Answer : A ( 35% )

重點概念 Important Concepts

  • X 為地殼,Y為地幔
    X is crust while Y is mantle
  • 地球的密度由外至內是越來越高
    The density of the earth is getting higher and higher from the outside to the inside.
  • 地殼和地幔都是固態
    Both crust and mantle are solid
  • 地殼 ( X ) 的主要化學成分為矽、鋁和鎂,地幔 ( Y ) 則為鐵和鎂
    Crust ( X ) is mainly composed by Silica, Aluminum and Magnesium, while Mantle ( Y ) is mainly composed by Iron and Magnesium

第八題 Question 8

正確答案 Correct Answer : B ( 23% )

重點概念 Important Concepts

  • 圖中是多個火山
    Volcanoes are shown above
  • 兩個大陸板塊碰撞時並沒有俯衝,亦沒有額外岩漿,因此並不會導致活躍的火山作用
    Since no subduction can be found in continent-continent collision, no extra magma is produced. Hence, active vulcanicity would not be resulted.
  • 地表下的是「岩漿」,地表上的是「熔岩」;火山由冷卻和凝固後的「熔岩」形成
    Magma” is below the earth’s surface while “lava” is always on the earth’s surface; Volcanoes are the result of cooled and solidified lava
  • 火山和熔岩高原皆為噴出火山作用產生的地形
    Both volcanoes and lava plateau are resultant landforms of extrusive vulcanicity

第十題 Question 10

「正確」答案 “Correct Answer” : C ( 18% )

本題已被考評局取消。
This question is deleted by the HKEAA.

第十三題 Question 13

正確答案 Correct Answer : B ( 86% )

重點概念 Important Concepts

 

焚化
Incineration

堆填
Landfill

空間需求
Space requirement

 較小
Small

 較大
Larger

操作中能源使用量
The amount of energy used during operation

較多
More

較少
Less

污染地下水的可能性
The possibility of contaminating underground water

較低
Lower

較高
Higher

第十四題 Question 14

正確答案 Correct Answer : D ( 55% )

第十六題 Question 16

正確答案 Correct Answer : C ( 73% )

第十八題 Question 18

正確答案 Correct Answer : D ( 43% )

重點概念 Important Concepts

  • 相片所示的農業活動為遷移耕作中的「刀耕火種」
    The farming activity shown in the photo is “slash-and-burn” in shifting cultivation.
  • 農場面積的增加、耕作集約度的增加及更短的休耕期均會對熱帶雨林造成更大的影響
    Increase in the farm size, increase in the farming intensity and shorter fallowing period will all increase the impacts to tropical rainforest.

第二十題 Question 20

正確答案 Correct Answer : A ( 74% )

重點概念 Important Concepts

  • X 為北極地區 / 北冰洋
    X is located in the Artic.
  • 永久凍土融化的確有利於開採地下的石油資源。
    Thawing of permafrost really facilities extraction of fossil fuel resources.
  • 北冰洋海洋融化的確會縮短航運路線。
    Melting of sea ice in the Arctic Ocean can really shortens shipping routes.
  • 氣候變化下,大部分高緯度地區如極地,降雨量會增加。
    Under climate change, rainfall increases in most of high-latitude regions like polar region.

     

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