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100 套真题中提炼而出的 100 百个经典句子，包涵了 7000 个雅思词汇。分为上下文两篇，每篇50个句子，这是上篇。
1. Typical of the grassland dwellers of the continent is the American antelope, or
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.
2. 1986 年看见哈雷慧星的千百万人当中，有多少人能够长寿到足以目睹它在二十一世纪
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. In group to 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 slander is that libel is printed while slander
10. The knee is the joints where the thigh bone meets the large bone of the
11. Acids are chemical compounds that, in water solution, have a sharp taste, a
corrosive action on metals, and the ability to turn certain blue vegetable dyes
12. Billie Holiday’s reputation as a great jazz-blues singer rests on her ability to
give emotional depth to her songs.
12. Billie Holiday’s 作为一个爵士布鲁斯乐杰出歌手的名声建立在能够赋予歌曲感情深度
13. Essentially, a theory is an abstract, symbolic 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 areas where
once nothing but cacti and sagebrush could live.
16. The development of mechanical timepieces spurred the search for more
accurate sundials with which to regulate them.
17. Anthropology is a science in that anthropologists use a rigorous set of
methods and techniques to document observations that can be checked by
18. Fungi are important in the process of decay, which returns ingredients to the
soil, enhances soil fertility, and decomposes animal debris.
19. When it is struck, a tuning fork produces an almost pure tone, retaining its
pitch over a long period of time.
20. Although pecans are most plentiful in the southeastern part of the United
States, they are found as far north as Ohio and Illinois.
21. Eliminating problems by transferring the blame to others is often called
22. The chief foods eaten in any country depend largely on what grows best in
its climate and soil.
23. Over a very large number of trials, the probability of an event’s occurring is
equal to the probability that it will not occur.
24. Most substance contract when they freeze so that the density of a
substance’s solid is higher than the density of its liquid.
25. The mechanism by which brain cells store memories is not clearly
26. By the middle of the twentieth century, painters and sculptors in the United
States had begun to exert a great worldwide influence over art.
27. In the eastern part of New Jersey lies the city of Elizabeth, a major shipping
and manufacturing center.
28. Elizabeth Blackwell, the first woman medical doctor in the United States,
founded the New York Infirmary, an institution that has always had a completely
female medical staff.
28. Elizabeth Blackwell，美国第一个女医生，创建了员工一直为女性纽约诊所。
29. Alexander Graham Bell once told his family that he would rather be
remembered as a teacher of the deaf than as the inventor of the telephone.
29. Alexander Graham Bell 曾告诉家人，他更愿意让后人记住他是聋子的老师，而非电
30. Because its leaves remain green long after being picked, rosemary became
associated with the idea of remembrance.
31. Although apparently rigid, bones exhibit a degree of elasticity that enables
the skeleton to withstand considerable impact.
32. That xenon could not FORM chemical compounds was once believed by
33. Research into the dynamics of storms is directed toward improving the
ability to predict these events and thus to minimize damage and avoid loss of
34. The elimination of inflation would ensure that the amount of money used in
repaying a loan would have the same value as the amount of money
35. Futurism, an early twentieth-century movement in art, rejected all
traditions and attempted to glorify contemporary life by emphasizing the
machine and motion.
36. One of the wildest and most inaccessible parts of the United States is the
Everglades where wildlife is abundant and largely protected.
36. Everglades 是美国境内最为荒凉和人迹罕至的地区之一，此处有大量的野生动植物而
37. Lucretia Mott’s influence was so significant that she has been credited by
some authorities as the originator of feminism in the United States.
37. Lucretia Mott’s 的影响巨大，所以一些权威部门认定她为美国女权运动的创始人。
38. The activities of the international marketing researcher are frequently much
broader than those of the domestic marketer.
39. The continental divide refers to an imaginary line in the North American
Rockies that divides the waters flowing into the Atlantic Ocean from those
flowing into the Pacific.
40. Studies of the gravity field of the Earth indicate that its crust and mantle
yield when unusual weight is placed on them.
41. The annual worth of Utah’s manufacturing is greater than that of its mining
and farming combined.
42. The wallflower is so called because its weak stems often grow on walls and
along stony cliffs for support.
43. It is the interaction between people, rather than the events that occur in
their lives, that is the main focus of social psychology.
44. No social crusade aroused Elizabeth Williams’ enthusiasm more than the
expansion of educational facilities for immigrants to the United States.
44.给美国的新移民增加教育设施比任何社会运动都更多的激发了 Elizabeth Williams 的
45. Quails typically have short rounded wings that enable them to spring into
full flight instantly when disturbed in their hiding places.
46. According to anthropologists, the earliest ancestors of humans that stood
upright resembled chimpanzees facially, with sloping foreheads and protruding
47. Not until 1866 was the fully successful transatlantic cable finally laid.
47.直到 1866 年第一条横跨大西洋的电缆才完全成功的架通。
48. In his writing, John Crowe Ransom describes what he considers the spiritual
barrenness of society brought about by science and technology.
48. John Crowe Ransom 在他的著作中描述了他认为是由科学技术给社会带来的精神贫
49. Children with parents whose guidance is firm, consistent, and rational are
inclined to possess high levels of self-confidence.
50. The ancient Hopewell people of North America probably cultivated corn and
other crops, but hunting and gathering were still of critical importance in their
50.北美远古的 Hopewell 人很可能种植了玉米和其他农作物，但打猎和采集对他们的经济