单项选择题 Though sometimes -------, all too often technology is seen as a ------- for the great economic, social, and political challenges facing the nation as it embarks on the path of modernization.（）

单项选择题 Enlightenment thinkers ------- faith in the abilities of mankind to uncover and solve pressing problems of the time, and thus they believe that human beings are ------- creatures, capable of employing reason and logic.（）

单项选择题 Most people choose a lawyer on the basis of such ------- considerations as his cost, his field of expertise, and the fees he charges.（）