The storm Sweeping over this area now is sure to cause _

单选题 The storm Sweeping over this area now is sure to cause __ of vegetables in the coming days．

A．rarity
B．scarcity
C．invalidity
D．variety

参考答案B

解析: B。横扫这一地区的暴风雪一定会导致接下来日子里的蔬菜短缺。
考查名词辨析。rarity意为“稀少，稀有”，指某物天生就稀有，如钻石等；scarcity意为“缺乏”，指某物由于某种原因而短缺；invalidity意为“无效力”；variety意为“种类”，结合句意可知，本题应选B。

单选题 They stood gazing at the happy __ of children playing in the park．

A．perspective
B．view
C．landscape
D．scene

单选题 During the construction of skyscrapers, cranes are used to __ building materials to the upper floors．

A．toss
B．tow
C．hoist
D．hurl

单选题 An obvious change of attitude at the top towards women's status in society will __ through the current law system in Japan．

A．permeate
B．probe
C．violate
D．grope