________ fashioned from a wick floating in a bowl of oil functioned according to the principle of capillary action.

单项选择题Classical logic is characterized by a concern for the structure and elements of argument ________ that thought, language, and reality are interrelated.

单项选择题________ that distinguish human beings from other primates are related to the ability of people to stand upright and walk on two legs.

单项选择题When our imports ________ our exports, we say we have a favorable trade balance; however, when our imports and exports are the other way round we say we have an unfavorable trade balance.

单项选择题Praise is like warm sunshine. It not only brings joy to ________ who are praised but also adds pleasure to ________ who praise.

单项选择题The miners escaped the danger by ________.