【简答题】In the United States, 30 percent of the people have a “weight problem”. To many people the cause is obvious (明显的): they eat too much. But scientific evidence (证据) does little to support this idea. Goi...
【简答题】A.Many people have quit their old houses to build new ones. B.Many older people sell their houses after their children leave. C.Many old houses in the bad part of the town are not inhabited. D.Many yo...