【简答题】You either have it, or you don’t — a sense (感觉) of direction, that is. But why is it that some people could find their way across the Sahara without a map, while others can lose themselves in the next...
【简答题】判断正(T)误(F)。 (T=True, F = False) What is color? Why do some of the things around us look red, some green, others blue? Colors are really made by reflected (反射) light. We can see colors because most of ...
【简答题】阅读理解,判断(T)误(F)。 In England, the most popular (最受欢迎) food is fish and chips. Sometimes people cook this food at home, but usually they go to a fish and chips shop. They put the food in paper bags and t...