【简答题】A study finds that,____________(和许多父母的忧虑正好相反), owning cats or dogs does not increase a child's risk of developing allergies, and in fact, may protect them.
【简答题】A study into character, intelce and usefulness shows dogs are better pets than cats—but only by a whisker. Staff at New Scientist magazine first listed the areas where cats fared better. These in...