2014春季英语人教版新课标选修7u4 section ⅱ语言点二检测（1）及答案 unit 4 section ⅱ 语言点二 应用落实
高考链接—阅读理解 the meaning of the word “volunteer” may be a little different in different countries, but it usually means “one who offers his or her services”. there are many different ways in which people can volunteer, such as taking care of sick people, working in homes for homeless children, and picking up garbage（垃圾）from beaches and pa
