[語文] GWD1-Q9~12閱讀
GWD-1-Q9 to GWD-1-Q12:
Over the last 150 years, large
Stretches of salmon habitat have ...討論鮭魚跟環境影響~~
題目連結:
http://www.formosamba.com/viewtopic.php?f=12&t=3409&st=0&sk=t&sd=a
問Q12題答案~~
GWD-1-Q12:
The author mentions the “aftermath of the Mount Saint Helens eruption”
(lines 73-74) most likely in order to
A. provide an example of the process that allows the repopulation of rivers
whose indigenous salmon population has become extinct
B. indicate the extent to which the disturbance of salmon habitat by human
activity in one stream might affect the genetic structure of salmon
populations elsewhere
C. provide a standard of comparison against which the impact of human
activity on the gene flow among salmon populations should be measured
D. show how salmons’ homing instinct can be impaired as a result of severe
environmental degradation of their natal streams
E. show why straying rates in salmon populations remain generally low except
when spawning streams suffer severe environmental disturbance
在此想問答案~ 答案給C
但是來欣給的是E~~ @@~
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