※ 引述《starsnasa (也許吧)》之銘言：
: 主題: [請益] 黃金閱讀12篇 (森林界線)
: 時間: Mon Oct 12 00:22:50 2009
:
: TIMBERLINE VEGETATION ON MOUNTAINS
:
: 12篇的第3題
:
: Which of the following can be inferred from paragraph 1 about both the upper
: and lower timberlines?
:
: 1) Both are treeless zones
:
: 2) Both mark forest boundaries.
:
: 我是選擇了1 答案給2
: 我看不出來1哪裡錯了
:
: 附上段落原文
:
: The transition from forest to treeless tundra on a mountain slope is often a
: dramatic one. Within a vertical distance of just a few tens of meters, trees
: disappear as a life-form and are replaced by low shrubs, herbs, and grasses.
: This rapid zone of transition is called the upper timberline or tree line. In
: many semiarid areas there is also a lower timberline where the forest passes
: into steppe or desert at its lower edge, usually because of a lack of
: moisture.
:
其實 1) 是錯的!!
關鍵句子在這
Within a vertical distance of just a few tens of meters, trees disappear as a
life-form and are replaced by "low shrubs", herbs, and grasses.
查一下英英字典可以知道shrub的定義
shrub : a large plant that is smaller than a tree and that has several stems
of wood coming from the ground
shrub是一種比樹還矮小的植物
so, it does not mean that the upper and lower timberlines are treeless zones.
--
: 主題: [請益] 黃金閱讀12篇 (森林界線)
: 時間: Mon Oct 12 00:22:50 2009
:
: TIMBERLINE VEGETATION ON MOUNTAINS
:
: 12篇的第3題
:
: Which of the following can be inferred from paragraph 1 about both the upper
: and lower timberlines?
:
: 1) Both are treeless zones
:
: 2) Both mark forest boundaries.
:
: 我是選擇了1 答案給2
: 我看不出來1哪裡錯了
:
: 附上段落原文
:
: The transition from forest to treeless tundra on a mountain slope is often a
: dramatic one. Within a vertical distance of just a few tens of meters, trees
: disappear as a life-form and are replaced by low shrubs, herbs, and grasses.
: This rapid zone of transition is called the upper timberline or tree line. In
: many semiarid areas there is also a lower timberline where the forest passes
: into steppe or desert at its lower edge, usually because of a lack of
: moisture.
:
其實 1) 是錯的!!
關鍵句子在這
Within a vertical distance of just a few tens of meters, trees disappear as a
life-form and are replaced by "low shrubs", herbs, and grasses.
查一下英英字典可以知道shrub的定義
shrub : a large plant that is smaller than a tree and that has several stems
of wood coming from the ground
shrub是一種比樹還矮小的植物
so, it does not mean that the upper and lower timberlines are treeless zones.
--
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