英语四级
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)8
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)