托福写作20句真经

 　　1. Typical of the grassland¹ dwellers² of the continent is the American antelope³， or pronghorn.

　　2. Of the millions who saw Haley‘s comet in 1986， how many people will live long enough to see it return in the twenty-first century.

　　3. Anthropologists have discovered that fear， happiness， sadness， and surprise are universally reflected in facial expressions.

　　4. Because of its irritating effect on humans， the use of phenol as a general antiseptic has been largely discontinued.

　　5. Insgroupsto remain in existence， a profit-making organization must， in the long run， produce something consumers consider useful or desirable.

　　6. The greater the population there is in a locality， the greater the need there is for water， transportation， and disposal of refuse.

　　7. It is more difficult to write simply， directly， and effectively than to employ flowery but vague expressions that only obscure one‘s meaning.

　　8. With modern offices becoming more mechanized， designers are attempting to personalize them with warmer， less severe interiors.

　　9. The difference between libel and slander⁴ is that libel is printed while slander is spoken.

　　10. The knee is the jointswheresthe thigh⁵ bone meets the large bone of the lower leg.

　　11. Acids are chemical compounds that， in water solution， have a sharp taste， a corrosive⁶ action on metals， and the ability to turn certain blue vegetable dyes red.

　　12. Billie Holiday‘s reputation as a great jazz-blues singer rests on her ability to give emotional depth to her songs.

　　13. Essentially⁷， a theory is an abstract， symbolic⁸ representation of what is conceived to be reality.

　　14. Long before children are able to speak or understand a language， they communicate through facial expressions and by making noises.

　　15. Thanks to modern irrigation， crops now grow abundantly in areasswheresonce nothing but cacti⁹ and sagebrush could live.

　　16. The development of mechanical timepieces spurred the search for more accurate sundials with which to regulate them.

　　17. Anthropology¹⁰ is a science in that anthropologists use a rigorous set of methods and techniques to document observations that can be checked by others.

　　18. Fungi¹¹ are important in the process of decay， which returns ingredients to the soil， enhances soil fertility， and decomposes¹² animal debris¹³.

　　19. When it is struck， a tuning¹⁴ fork produces an almost pure tone， retaining its pitch over a long period of time.

　　20. Although pecans are most plentiful¹⁵ in the southeastern part of the United States， they are found as far north as Ohio and Illinois.

1 grassland   

n.牧场，草地，草原

参考例句：

• There is a reach of grassland in the distance.远处是连绵一片的草原。
• The snowstorm swept the vast expanse of grassland.暴风雪袭击了辽阔的草原。

2 dwellers   

n.居民，居住者( dweller的名词复数 )

参考例句：

• City dwellers think country folk have provincial attitudes. 城里人以为乡下人思想迂腐。 来自《简明英汉词典》
• They have transformed themselves into permanent city dwellers. 他们已成为永久的城市居民。 来自《简明英汉词典》

3 antelope   

n.羚羊；羚羊皮

参考例句：

• Choosing the antelope shows that China wants a Green Olympics.选择藏羚羊表示中国需要绿色奥运。
• The tiger was dragging the antelope across the field.老虎拖着羚羊穿过原野。

4 slander   

n./v.诽谤，污蔑

参考例句：

• The article is a slander on ordinary working people.那篇文章是对普通劳动大众的诋毁。
• He threatened to go public with the slander.他威胁要把丑闻宣扬出去。

5 thigh   

n.大腿；股骨

参考例句：

• He is suffering from a strained thigh muscle.他的大腿肌肉拉伤了，疼得很。
• The thigh bone is connected to the hip bone.股骨连着髋骨。

6 corrosive   

adj.腐蚀性的；有害的；恶毒的

参考例句：

• Many highly corrosive substances are used in the nuclear industry.核工业使用许多腐蚀性很强的物质。
• Many highly corrosive substances are used in the nuclear industry.核工业使用许多腐蚀性很强的物质。

7 essentially   

adv.本质上，实质上，基本上

参考例句：

• Really great men are essentially modest.真正的伟人大都很谦虚。
• She is an essentially selfish person.她本质上是个自私自利的人。

8 symbolic   

adj.象征性的，符号的，象征主义的

参考例句：

• It is symbolic of the fighting spirit of modern womanhood.它象征着现代妇女的战斗精神。
• The Christian ceremony of baptism is a symbolic act.基督教的洗礼仪式是一种象征性的做法。

9 cacti   

n.（复）仙人掌

参考例句：

• There we could see nothing but cacti.那里除了仙人掌我们什么也看不到。
• Cacti can survive the lack of rainfall in the desert.仙人掌在降水稀少的沙漠中也能生存下去。

10 anthropology   

n.人类学

参考例句：

• I believe he has started reading up anthropology.我相信他已开始深入研究人类学。
• Social anthropology is centrally concerned with the diversity of culture.社会人类学主要关于文化多样性。

11 fungi   

n.真菌，霉菌

参考例句：

• Students practice to apply the study of genetics to multicellular plants and fungi.学生们练习把基因学应用到多细胞植物和真菌中。
• The lawn was covered with fungi.草地上到处都是蘑菇。

12 decomposes   

腐烂( decompose的第三人称单数 )； （使）分解； 分解（某物质、光线等）

参考例句：

• The debris slowly decomposes into compost. 这些垃圾慢慢地分解成了堆肥。
• Plastic is a substance that hardly decomposes in the nature. 塑料是一种在自然中极难降解的物质。

13 debris   

n.瓦砾堆，废墟，碎片

参考例句：

• After the bombing there was a lot of debris everywhere.轰炸之后到处瓦砾成堆。
• Bacteria sticks to food debris in the teeth,causing decay.细菌附着在牙缝中的食物残渣上，导致蛀牙。

14 tuning   

n.调谐，调整，调音v.调音( tune的现在分词 )；调整；（给收音机、电视等）调谐；使协调

参考例句：

• They are tuning up a plane on the flight line. 他们正在机场的飞机跑道上调试一架飞机。 来自《简明英汉词典》
• The orchestra are tuning up. 管弦乐队在定弦。 来自《现代汉英综合大词典》

15 plentiful   

adj.富裕的，丰富的

参考例句：

• Their family has a plentiful harvest this year.他们家今年又丰收了。
• Rainfall is plentiful in the area.这个地区雨量充足。