[請益] READING TPO4 DEER POPULATIONS OF THE PUGET SOUND
看板TOEFL_iBT (TOEFL_iBT托福)作者kuoyuhsuan (yuhsuan)時間15年前 (2011/01/26 23:36)推噓4(4推 0噓 6→)留言10則, 4人參與討論串1/1
PARAGRAPH 2:
Nearly any kind of plant of the forest understory can be part of a deer's diet.
Where the forest inhibits the growth of grass and other meadow plants,the
black-tailed deer browses on huckleberry,salad, dogwood, and almost any
other shrub or herb. But this is fair-weather feeding.What keeps the black-
tailed deer alive in the harsher seasons of plant decay and dormancy?
One compensation for not hibernating is the built-in urge to migrate. Deer
may move from high-elevation browse areas in summer down to the lowland areas
in late fall.Even with snow on the ground, the high bushy understory is
exposed; also snow and wind bring down leafy branches of cedar,hemlock,red
alder, and other arboreal fodder.
2.It can be inferred from the discussion in paragraph 2 that winter conditions
1.cause some deer to hibernate
2.Make food unavailable in the highlands for deer
3.make it easier for deer to locate understory plants
4.prevent deer from migrating during the winter
答案是3但我選4!????
想請教大家這一題
還有文章裡的understory是甚麼意思?!
謝謝!
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