单项选择题
In contemporary usage, continents are understood to be large, continuous, ______ masses of land, for they are almost always separated by expanses of water.
单项选择题 In spite of the______frequently observed in honeybee colonies, individual honeybees are characterized by______to a surprising extent.
单项选择题 RESCIND : STATUTE ::
单项选择题 KNEEPAD : INJURY ::
