51.dangerous=perilous(very dangerous, hazardous(dangerous, especially to people's safety and health)

52.nowadays=currently

53.only=unique(the only one of its kind), distinctive

54.stop=cease(if something ceases, it stops happening or existing)

55.part=component(the components of something are the parts that it is made of)

56.result=consequence(the results or effects of something)

57.obvious=apparent, manifest

58.basedon=derived fromcan see or notice them very easily)

60.quite=fairly

61.pathetic=lamentable(very uncomfortable and disappointing)

62.field=domain(a particular field of thought, activities or interest)

63.appear=emerge(come into existence)

64.whole=entire(the whole of something)

65.wet=moist(slightly wet), damp(slightly wet), humid(very damp and hot)

66.wrong=erroneous(incorrect or partly correct)

67.difficult=formidable

68.change=convert(change into another form)

69.typical=quintessential(this word means represent a typical example of something)

70.careful=cautious(very careful in order to avoid danger), prudent(careful and sensible)

71.ability=capacity, capability(the same as ability)

72.strange=eccentric(if some one is eccentric, s/he behaves in a strange way, or his/her opinion is different from most people)

73.rich=affluent(if you are affluent, you have a lot of money)

74.use= utilize (the same as use)

75.dubious=skeptical(if you are skeptical about something, you have doubts on it.)