1.Columbus, Ohio, the capital of the state, are not only the largest city in Ohio but also a typical metropolitan area, often used in market research.

2. Although maple trees are among the most colorful varieties in the fall, they lose its leaves sooner than oak trees.

3.The teacher told the students to don’t discuss the take-home exam with each other.

4. Some people think that the desire to wear sunglasses are more a need to impress than to protect the eyes.

5. Those of us who have a family history of heart disease should make yearly appointments with their doctors.

6. If Robert Kennedy would have lived a little longer, he probably would have won the election.

7. After learned to print, elementary school children learn cursive writing.

8. Computers have made access to information instantly available just by push a few buttons.

9. Fishing have been found to contain a particular type of fat that may help lower blood cholesterol levels.

10. The athlete, together with his coach and several relatives, are traveling to the Olympic Games.

11. The professor had already given the homework assignment when he had remembered that Monday was a holiday.

12. It is extremely important for an engineer to know to use a computer.

13. Narcissus, a character in mythology, gazed at his own image in a pool so ardently that he fell into itself and downed.

14. The professor was considering postponing the examination until the following week  because the student’s confusion.

15. After to have won the light-heavyweight title at the 1960 Olympic Games, Muhammad Ali began to box professionally.

16. There are many different ways of comparing the economy of one nation with those of another.

17. Sandra has not rarely missed a play or concert since she was seventeen years old.

18. Both viruses also genes are made from nucleoproteins, the essential chemicals with which living matter duplicates itself.

19. Economists have tried to discourage the use of the phrase “underdeveloped nation” and encouraging the more accurate phrase “developing nation” in order to suggest an ongoing process.

20.Since infection can cause both fever as well as pain, it is a good idea to check a patient’s temperature.

21. Because helicopters are capable of hovering in midair, they are particularly useful for rescue missions, military operates, and transportation.

22. All of we students must have an identification card in order to check books out of the library.

23. The Gray Wolf, a species reintroduced into their native habitat in Yellowstone National Park, has begun to breed naturally there.

24. Coconut oil produces a soap whom will lather in salt water as well as fresh one.

25. Until recently, women were forbidden by law from owning property.

26. Tea did not become popular in Europe until the mid 17th century when it has been first imported to England and Holland.

27. During wedding ceremonies in the United States guests are usually silence.

28. A vine climbs from one tree to another, continuing to grow and support itself even when the original supporting tree is not longer alive.

29. Almost all life depends to chemical reactions with oxygen to produce energy.

30. The symptoms of diabetes in the early stages are too slight that people don’t notice them.

31. After he had ran for half a mile, he passed the stick to the next runner.

32. When zippers are easy to use, it took almost half a century to perfect the zipper and find a way to manufacture them economically.

33. After the police had tried unsuccessfully to determine to who the car belonged, they towed it into the station.

34. The town we visited was a four-days journey from our hotel, so we took the train instead of the bus.

35. One of the primary cause of accidents in coal mines is the accumulation of gas.

36. Before becoming successful, Charles Kettering, former vice president of General Motors, was so poor that he has to use the hayloft of a barn as a laboratory.

37. The senior student was not able to find out why the experiment failed, and neither his professor could.

38. The water in the Great Salt Lake is at less four times saltier than seawater.

39. The theory of natural selection is used to explain which animals of a species will die prematurely and which will survival.

40. Agronomists study crop disease, selective breeding, crop rotation, and climatic factors, as well soil content and erosion.

41. Despite its smaller size, the Indian Ocean is as deep the Atlantic Ocean.

42. It is essential that vitamins are supplied either by foods or by supplementary tablets for normal growth to occur.

43. If the oxygen supply in the atmosphere was not replenished by plants, it would soon be exhausted.

44. Diamond itself is the only material hard enough to cut and polishes diamonds.

45. This new model not only saves time but also energy by operating on two batteries instead of four.

46. There are many ways to preserve fruits, for example freezing, canning, and to dry.

47. Because there were so few women in the early Western states, the freedom and rights of Western women were more extensive than Eastern ladies.

48. It has been found that the length of light or dark periods influence certain activities of flowering plants.

49. The girls were sorry to had missed the singers when they arrived at the airport.

50. The corals can be divided into three groups, two of which is extinct.

51. John Dewey thought that children will learn better through participating in experiences rather than through listening to lecture.

52. Despite of rain or snow there are always more than fifty thousand fans at the OSU football games.

53. The amount of women earning Master’s Degrees has risen sharply in recent years.

54. When he was a little boy, Mark Twain would walk along the piers, watch the river boats, swimming and fish in the Mississippi, much like his famous character, Tom Sawyer.

55. A five-thousand-dollars reward was offered for the capture of the escaped criminals.

56. Pollution, which affects nearly all countries, increase the risk of disease as well as harming the environment.

57. Fertilizers are used primarily to enrich the soil and increasing yield.

58. One can only live without water for about ten days because almost 60 percent of their body is water.

59. The scientific method consists of forming hypotheses, collect data, and testing results.

60. Putting a large amount of information on a map, a variety of symbols are used.