然后分析一下题目
+ V' v( p4 _) P' F# D0 ]0 j小马过河第一篇的四个选项是
( }8 u5 V7 |# g1 l; {) tTOEFL,IBT,托福,新托福,机经,小马过河,留学,美国,海外A. Because their seeds grow in places where competing plants are no longer present, dandelions are classified as opportunists. [小马过河-新托福专业备考社区]6 B% }5 e% B. r( J7 Q7 f
B. Dandelions are called opportunists because they contribute to the natural processes of erosion and the creation of gaps in the forest canopy. TOEFL,IBT,托福,新托福,机经,小马过河,留学,美国,海外5 H! ~2 A- r& a/ X/ w0 D9 u
C. The term opportunists applies to plants whose seeds fall in places where they can compete with the seeds of other plants.
1 E3 L5 X9 J- m2 o; {; ^& ]小马过河-新托福专业备考社区D. The term opportunists applies to plants whose falling seeds are removed by natural processes. [小马过河-新托福专业备考社区]% V ]2 S* c8 Q* k& X. W q
很明显可以从因果关系得到答案是A小马过河-新托福专业备考社区" H0 s; G, N; ]. j
1 t, l* t! b! @+ H2 O# ATOEFL,IBT,托福,新托福,机经,小马过河,留学,美国,海外, E0 e1 [! ?+ l% q, K, ]' E
而第三篇www.xiaomaguohe.net( c+ B! d* V1 _
A. Hawks, falcons, and eagles prefer to hunt along ridge lines, where wind turbines can kill large numbers of migratory birds.
; B w+ K7 \1 F8 |! B8 z0 Uwww.xiaomaguohe.netB. Wind turbines occasionally cause migratory birds to change their flight patterns and therefore may interfere with the areas where
5 o2 r, h% [ w* N- Ibirds of prey prefer to hunt. TOEFL,IBT,托福,新托福,机经,小马过河,留学,美国,海外0 o; d- ^0 O0 b8 r! ^/ O
C. Some of the best locations for large wind farms are places that may cause problems for migrating birds and birds of prey. 小马过河-新托福专业备考社区: Z: J* ^# ~* x+ v) _! l0 q
D. Large wind farms in certain areas kill hawks, falcons, and eagles and thus might create a more ideal path for the flight of migratory 小马过河-新托福专业备考社区" Z# v; C! y0 _1 \/ N' d2 H6 J
birds.
- y0 h. O5 }; P4 c* W) s; x- Ewww.xiaomaguohe.net光从顺承的关系看的话,似乎只能排除B,因为B有明显的因果关系,但是光凭这个关系不能得出答案TOEFL,IBT,托福,新托福,机经,小马过河,留学,美国,海外5 l S5 }1 H7 l: h' q
+ i* C" j, r) I8 g小马过河-新托福专业备考社区[ 本帖最后由 whereiswc 于 2007-10-17 08:49 编辑 ]