This head must have been found in classical times and carefully preserved.她的脑袋一定是在古希腊罗马时代被人发现，并且受到精心保护。这句话不是过去被发现吗，怎么是现在完成时？and carefully preserved 为什么没有 be 动词表被动？
...groups cannot make a profit. But in order to stay in business, arts groups must produce returns. Ifyou are a student studying the arts, chances are you have been ill-advised to have a plan B. But those who truly understand the economic impact and can work to change the patterns can create a wide ra...
...f you make a copy of something, you produce something that looks like the original thing.a copy of something 是动宾关系吗？假如是：I bought a copy of 'USA Today' from a street-corner machine...我从街角的自动售卖机买了一份《今日美国》。a cop...
Facebook unveiled an upgraded “Like” button for responding to posts on its social network, adding options for “love”, “haha” ,“yay”, “wow”, “sad” and angry”, each with its own icon. This will give the company more data with which to personalise its users' news feeds.&nb...
...句子 that it would otherwise....做什么成分，是什么从句。It mustbe the case that an event, because it has a certain mental property (e.g., being a desire for a drink of water), enters into a causal relation (e.g., it causes you to look for a water fountain) that it would otherwise not ...
...eel stress and pressure at a young age. According to Elkind, not only does this cause the child emotional distress, it also fails to bring the intended cognitive gains.第2句的this指代什么？是push children so rapidly还是feel stress and pressure at a young age？
Suppose you were head of a major soft-drinks company and you want to break into a certain overseas market where the growth potential for your company is likely to be very great indeed.head of 是某个单位的头头，怎么不加冠词呢，是固定用法吗？