第三节展望词汇（共15小题；Ⅰ每小题1分，满分15分）
I根据英文释义填写适当的单词，单词首字母已给出。
51
s51.seductively 52. skyscraper 53. tram 54. enormous 55. Nag
adv.
attractively
52
s
n.
a very tall modern city building
53.
t
n.
a vehicle for passengers, whick travels along metal tracks in the street
54.
e
adj.
very big in size or in amount
55.
n
v.
to keep asking someone to do something,or to keep plaining to someone about their behaviour, in an annoying way
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