短文：上学与受教育

摩天大楼与环境

Skyscrapers and Environment ConnecticutIn the late 1960’s,many people in North America turned their attention to environmental problems,and new steel-and-glass skyscrapers were widely criticized...

知识与美德

短文Knowledge is one thing, virtue is another; good sense is not conscience, refinement is not humility, nor is largeness and justness of view faith. Philosophy, however enlightened, however prof...

背诵美文——细胞与温度

Cells and TemperatureCells cannot remain alive outside certain limits of temperature, and much narrower limits mark the boundaries of effective functioning. Enz...

香烟禁令与酒吧生意 (2)

Other proposals are being debated across the country. Opponents argue that smoking bans cause job losses in restaurants and bars. As a compromise, some bans exclude these establishments. But n...