75. Though oncequite large, the population of the bald eagle across North America hasdrastically declined in the past forty years.

80. Since theconsumer considers the best fruit to be that which is the most attractive, thegrower must provide products that satisfy the discerning eye.

42. The wallfloweris so called because its weak stems often grow on walls and along stony cliffsfor support.

20.虽然美洲山河桃树*集中于美国的东南部但是在北至俄亥俄州及伊利诺州也能看见它们。

16. The development ofmechanical timepieces spurred the search for more accurate sundials with whichto regulate them.

86. Artificialflowers are used for scientific as well as for decorative purposes. They aremade from a variety of materials, such as way and glass, so skillfully thatthey can scarcely be distinguished from natural flowers.

80.因为顾客认为*好的水果应该看起来也是*漂亮的，所以种植者必须提供能满足挑剔眼光的产品。

97. I am alwaysamazed when I hear people saying that sport creates goodwill between thenations, and that if only the common peoples of the world could meet oneanother at football or cricket, they would have no inclination to meet on thebattlefield.

28. ElizabethBlackwell，美国第*个女医生，创建了员工一直为女性纽约诊所。

93.昆虫就将会使我们无法在这个世界上居住；如果我们没有受到以昆虫为食的动物的保护，昆虫就会吞嚼掉我们所有的庄稼并杀死我们饲养的禽兽。

8.随着现代办公室的日益自动化，设计师们正试图利用较为温暖而不太严肃的内部装饰来使其具有亲切感。

61. Buyers andsellers should be aware of new developments in technology can and does affectmarketing activities.

4. Because of its irritatingeffect on humans, the use of phenol as a general antiseptic has been largelydiscontinued.

27. In the easternpart of New Jersey lies the city of Elizabeth, a major shipping andmanufacturing center.

43.社会心理学的主要焦点是人与人之间的交往，而不是他们各自生活中的事件。

18. Fungi are important in theprocess of decay, which returns ingredients to the soil, enhances soilfertility, and decomposes animal debris.

63.人类骨骼有二百多块骨头组成，住些骨头石油坚韧而相对缺乏弹性的，被称为韧带的结蒂组连在一起。

39. The continentaldivide refers to an imaginary line in the North American Rockies that dividesthe waters flowing into the Atlantic Ocean from those flowing into the Pacific.

78. As a result ofwhat is now know in physics and chemistry, scientists have been able to makeimportant discoveries in biology and medicine.

35.未来主义，二十世纪早期的一个艺术思潮。拒绝一切传统，试图通过强调机械和动态来美化生活。

39.大陆分水岭是指北美洛矶山脉上的一道想象线，该线把大西洋流域和太平洋流域区分开来。

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贸易仍是至关重要的。

77.长卷毛狗曾被用作猎鸭时叼回猎物的猎犬，但是美国Kennel Club却不承认它们为猎犬，因为它们现在大多数作为宠物饲养。