【多选题】我国经济总量跃居世界第二,但大而不强、臃肿虚胖体弱问题相当突出,主要体现在()。
【单选题】The education of _____ young has become _____ hot and serious topic in the present society. [ ]
【单选题】I usually use my ___________ to write papers and explore the Internet.
【单选题】The education of _______young is always _______ hot and serious topic in modern society.
【单选题】I usually use my computer _________my emails and buy tickets.
【单选题】I usually use my ___________ to write papers and explore the Internet.