英语专业八级改错练习题及答案解析(九十二)

会计考友

　　American scientist say that they believe trees can warn
　　each other of danger releasing chemicals into the air.__1__
; b3 q# U& B# r1 v% Z　　The theory was announced by the National Science__2__
+ A/ u7 A% q7 @' N3 J% E　　Foundation is the result of studies carried out by
　　scientist in the states of Washington and New
　　Hampshire. The scientists said they found that when
　　trees are against attack by disease or insects, nearby__3__
; F3 l  ^. |; e2 R) `, y7 E) Y　　trees take the same offensive actions as the trees__4__
) E1 Q, [+ M: ^& w8 H% J- Q' a) j　　being attacked. And they said it appears that the
　　trees being attacked may produce and send out
" m* Q  y7 W+ a! G3 _! V$ K　　chemicals to warn the other trees. A United Nations'
　　report says Asian countries are faced major environ-__5__
　　mental problems. The report released in Bangkok
　　said that parts of China, India, Iran, Afghanistan and
　　Pakistan were threatened by man-made and natural__6__
　　events that turn productive land into deserts. I said
; ?' q+ q. q% N) G2 b　　the most serious threat against the area is the rapid
　　expansion of Asia's rain forests, or woods, especially__7__
- f* C+ h; @% o# h, S8 W　　in Malaysia, the Philippine and Thailand. The report
- K% D6 O" I# Q/ M　　said the reduction in woods areas have already led to __8__
　　increased flooding, water shortages in the dry seasons
　　and the loss of farm lands. A top UN official said that
+ d( z! N# {' @/ r- O- W" S7 s　　as much as 70% of the woods in Asia would be gone in__9__
4 z) D+ P( M3 G" F% T9 d　　20 years unless actions are taken now to save it.__10__
　　答案及解析：
/ Y) n, W; C5 A　　1. 在releasing前加by
　　用by引导releasing chemical into the air，作方式状语
: e1 q6 J! y% V8 ]- u* e) {　　2. 删除was或在was之前加which/that
　　或过去分词announced或用which/that was announced 做定语修饰the theory。The theory的谓语动词为is
! t  J5 \9 Y+ v/ ]$ J8 v) E　　3.against—under
7 t4 n( s$ c" u　　习语（be）under attack，受攻击
. X; G  P( E8 m2 D$ Q- D6 l2 i' `　　4. offensive—defensive
　　根据常识，当生物收到外界的威胁时，也会进行自卫
' X; u5 r' V! E　　5. faced—facing或在faced之后加with
　　动词face作“面临、应对”解时，有两种结构：被动态“主语+be+faced with+宾语”，主动态“主语+face+宾语”
  L3 b2 h" n$ V; g　　6. were—are
) T. C# T' u' e0 C! K- h1 l　　报告的发布是在过去的某个时候，所以主语中的谓语动词发生在过去时，但报告的内容陈述的是一个事实，谓语动词应该是一般现在时
　　7. expansion—shrinking
　　与上文“可耕地变成沙漠”一样，亚洲的雨林面临快速减缩，而不可能扩大，而且下文中有the reduction in woods areas
5 h/ Q) ^% B9 q! g　　8. have—has
3 h5 b" R9 A5 m: _　　主语为the reduction in woods areas
2 U8 y$ Z4 {9 W) G5 a) B8 N　　9. would—will
　　UN官员陈述的是一个完全可预见的事实
1 o  w  [8 l% ^: l& `　　10. it—them
  ]- v4 D; Y" l8 \& O+ [+ j8 B( I! ~/ ]　　them指代the woods