We can learn from Paragraph 3 that economics today highlights______.
A．the pure study of the practice of using resources to the best effect
B．its practical insights into the real-world economy
C．the rational distribution of economic resources in the marketplace
D．the management ability development of businessmen

未分类题According to Paragraphs 2 and 3, Glaeser most probably agrees______.A．concentrated populations hinder the development of citiesB．city pollution is posing a threat to surrounding suburbsC．suburbs develop at the expenses of environmentD．environmentalists are wrong in opposing building in temperate areas

未分类题The privacy bill of rights is meant to______.A．clamp down web surfers' s dishonest behavioursB．restrict internet firms' control over informationC．give American government control over informationD．ease the tension between digital marketers and web users

未分类题Whats the response of the online-advertising industry towards the formal 'do not track system'?A．A gentle persuasioaB．A stiff resistance.C．A forced surrender.D．A combination of tough and soft.

未分类题The author suggests that the discussion about food security should stress______.A．promoting a healthy and humane lifestyleB．reducing the consumption of animal productsC．advancing the globalization of economyD．redefining our priorities and pursuing goals

未分类题The author tends to think that the path to novel ideas lies in______.A．critical thinkingB．cooperation with othersC．independent endeavorD．ambitious goals