The critical issue facing the scientists is to _____. [A] apply the newly-found knowledge to the benefit of mankind [B] end their horse race for the success of science [C] get down to their genome research [D] set their differences aside
【简答题】Track5-3 Living Small Today, percent of the people on Earth live in cities. By 2030, it will be 60 percent. With more people in cities, there is less space, and housing costs more. What can we do? He...