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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收看免費 DSE 地理科選擇題解題影片!(影片將會持續更新!)
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
第三題 Question 3
正確答案 Correct Answer : B ( 35% )
第四題 Question 4
正確答案 Correct Answer : C ( 46% )
第六題 Question 6
正確答案 Correct Answer : B ( 64% )
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
第九題 Question 9
正確答案 Correct Answer : A ( 78% )
第十題 Question 10
正確答案 Correct Answer : C ( 18% )
第十一題 Question 11
正確答案 Correct Answer : B ( 43% )
第十二題 Question 12
正確答案 Correct Answer : A ( 30% )
第十三題 Question 13
正確答案 Correct Answer : B ( 86% )
重點概念 Important Concepts
焚化 | 堆填 | |
空間需求 | 較小 | 較大 |
操作中能源使用量 | 較多 | 較少 |
污染地下水的可能性 | 較低 | 較高 |
第十五題 Question 15
正確答案 Correct Answer : D ( 61% )
第十七題 Question 17
正確答案 Correct Answer : A ( 31% )
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.
第十九題 Question 19
正確答案 Correct Answer : D ( 34% )
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.









