英语专业八级改错练习题及答案解析(四十二)

会计考友

　　Dinosaurs, saber-tooth tigers and the dodo bird are famous examples __1__
　　of animals that have become extinct. In case of the dinosaurs, it __2__
3 b* C5 {: M( F, O' d2 F　　seems likely that a catastrophic event alters the global climate __3__
　　enough to lead to their disappearance. More recent extinctions
　　and near-extinctions－such as the blue whales, tiger, panda, and __4__
2 B- b2 q/ @5 u/ m: h. M. [　　North American bison—have been the direct result of human activity.
　　By the early 1990s, species were becoming extinct at a rate of three
　　per hour, or 27,000 every day – a figure quoted by the American
　　biologist Edward O.Wilson of Harvard University, based on his
　　most conservative estimates. This rate of extinctions carries with
7 d8 S! B4 U8 o2 v' [　　it some terrible consequences. Each plant that becomes extinct,
　　for example, may take with it as much as 30 insects and animals __5__
　　that depend on it for food. Habitat loss is one of the most important
　　causes of extinction. For rising populations in many countries __6__
　　lead to the clearing of more land, habitats such as raining forest __7__
. J; Y7 L- y9 l6 C8 @　　and grasslands disappear.
" l# L2 a" a" O- R- Z) i　　In the East Africa, once renowned for its wildlife, few wild animals __8__
% e) Y, J; m7 }. S　　remain living outside the boundaries of national parks and game __9__
  b1 M- E+ c: V* I. i6 u　　reserves. In other parts of the world, coastal ecosystems are clearing __10__
　　for development. Wetland areas are drying out as a result of water
　　extraction to support farming and tourism. Bird species are among
+ G/ I6 }9 l) [4 @: _* T9 [, ]5 H　　the worst affected by the loss of wetlands.

会计考友

　　答案及解析:
+ T0 g% A* p' H/ b' h, ^* M　　1.saber-tooth—saber-toothed
! ?2 E4 W/ w, w4 d　　如果是“形容词+名词”作前置修饰语，那么名词要加-ed。
　　2.^case—the
　　in case of 和 in the case of 的意思是不同的，前者的意思是“万一”，后者的意思是“在……的情况中”
/ U1 Q4 F; o, H: F$ _, n# o5 N　　3.alters—altered
　　这里谈的是恐龙灭绝的时期，所以时间是过去。
　　4.whales—whale
8 q% P: y) g) v, X7 l; z' c' l　　定冠词＋可数名词的复数 是特指，所以the blue whales是特指，但是上下文并没有提及特定的蓝鲸，所以从整个句子的意思来看，这里是指物种，是类指，所以应该用“定冠词＋可数名词单数”形式。
　　5.much—many
　　insects and animals 是可数名词，所以应该说as many as
　　6.For-- As/Since
　　尽管for作为连词可以引导原因状语分句，但是它一般不放在句首。
0 z+ A* a, J2 |( }- i8 i) l5 E+ J　　7.raining—rain
: W: L! W) p; f8 i1 W　　rain forest,指热带雨林
, Z, [% Y# e3 W% i) y# l　　8.the去掉
　　East Africa是专有名词。
　　9.living—alive
+ K3 _9 M" R/ }% E　　remain是系动词，后面的形容词是主语补足语，living不能作主语补足语。
6 a7 N. H! N) Y9 R8 Q4 u　　10.clearing—cleared
　　这里需要用被动语态。