16. Not woman held a presidential cabinet position in the United States until 1933, when Frances Perkins became secretary of labor.

17. The human body relies on certainty nutrients for its survival.

18. Too much electric current may flow into a circuit as a result either of a fault in the circuit and of an outside event such as lightning.

19. The Appalachian Trail, extending approximately 2,020 miles from Maine to Georgia, is the longer continuous marked footpath in the world.

20. For years, elephants were hunted for food and ivory, and as a result theirs numbers have been greatly reduced.

Video Chữa Đề 1989 - 01 | câu 16 - 20    

21. Barges which carrier most of the heavy freight on rivers and canals are usually propelled by towing.

22. Although afflicted by serious eyesight problems, Alicia Alonso was one the principal stars of the American Ballet Theater and later formed her own dance company.

23. The ritual combat of animals are triggered by precise signals.

24. It is more difficult to write simply, directly, and effective than to employ flowery but vague expressions that only obscure one’s meaning.

25. Different species of octopuses may measure anywhere from two inches to over thirty feet in long.

Video Chữa Đề 1989 - 01 | câu 21 - 25             

26. According to some theories derived from psychoanalysis, life is supposedly easier and mo re pleasant when inhibitions overcoming.

27. When rainbows appear, they are always in the part of the sky opposite directly the Sun.

28. Benjamin Franklin drew a political cartoon that is credited raising 10,000 volunteers for the American Revolutionary War.

29. The begins of the modern chemistry laboratory go back to the workrooms of medieval lchemists.

30. In many pieces of music there is a dominant theme on which the restful of the composition is centered.

Video Chữa Đề 1989 - 01 | câu 26 - 30           

31. Luminescence refers to the emission of light by means another than heat.

32.In a representative democracy, the people election delegates to an assembly.

33.George Washington Carver found hundred of uses for the peanut, the sweet potato, and the soybean and thus stimulated the cultivation of these crops.

34. A citadel, a fortress designed for the defense of a city, usually standed on top of a hill.

35. Conservative philosophers argue that the very structure of society is threatening by civil disobedience, while humanists stress the primacy of the individual conscience.

Video Chữa Đề 1989 - 01 | câu 31 - 35             

36. Since 1971 the regional corporations set up in Alaska by Congress managing everything from fishing to banking.

37. A rocket burns propellant rapidly and most rockets carry a supply that last just a few seconds.

38. Textile art is known for both its tactile and vision qualities.

39. The metal aluminum has been first isolated early in the nineteenth century.

40. Gulls can often be see swooping over large bodies of water.

Video Chữa Đề 1989 - 01 | câu 36 - 40             



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