On the last day，we climbed to the top of a nearby mountain to have a good view of the whole city。last前为什么on不省略？《牛津英语指南》中P432中“以next ，last ，this，that，one，every，each，some，any，all等词开头的一些表示时间的词常用表达方式前...
with复合结构：1. The man with a broken hat on is his uncle.改写成非限制性定语从句：The man, whose hat is broken, is his uncle.独立主格结构：2. Close to the bank I saw deep pools, the water blue like the sky.第2句的独立主格结构 我认为它起补充说明作用。可...
...读理解D Human speech contains more than 2,000 different sounds, from the common “m” and “a” to the rare clicks of some southern African languages. But why are certain sounds more common than others? A ground-breaking, five-year study shows that diet-related changes in human bite led to n...