這篇托福閱讀文章出自托福TPO考古題 Reading-Official 10 passage 2 Variations in the Climate
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在第一段的最後一句:
We need therefore to know how much the climate can vary of its own accord in order to interpret with confidence the extent to which recent changes are natural as opposed to being the result of human activities.
We need to know (情態助動詞+原型動詞)
how much the climate can vary of its own accord (how為首的名詞子句)
vary : to exhibit or undergo change (https://reurl.cc/jGLo6y)
of its own accord : used to suggest that something happens by itself without anyone causing it to happen (https://reurl.cc/GEWOaD)
in order to interpret (with confidence -> 修飾interpret)
the extent to which : the degree to which something happens or is likely to happen (https://reurl.cc/O49nnA)
我的疑問是the extent to which = how much 嗎?
the extent to which recent changes are natural as opposed to being the result of human activities
-> how much recent changes are natural as opposed to being the result of human activities
所以整句這樣解釋下來是:
此句的上一句 : We also know that the global climate system is immensely complicated and that everything is in some way connected, and so the system is capable of fluctuating in unexpected ways.
(因此/所以)Therefore, We need to know how much the climate can vary of its own accord (我們需要了解有多少氣候變化是自然發生)
in order to (為了)
interpret with confidence the extent to which recent changes are natural as opposed to being the result of human activities.
(確實了解有多少最近的氣候改變是自然的，又有多少是人為的)
不知道我這樣解釋是否正確? 謝謝。
