from the graph we can see the health gains in developing cotmtries. in l960, the average life span or life... [查看全文]
some people tend to stick to their positions all tile time, as theythink the longer one works in a particul... [查看全文]
when men began to like together in small communities, they it was necessary to find ways of sending messages... [查看全文]
last week, they happened to meet two american students. they started talking about sports they do in their... [查看全文]
supposing i have seventy-two changes, my dream would come true. supposing i have seventy-two changes, i'd... [查看全文]
welcome to our class and to our evening party. we feel greatly honoured to have a good chance to be with ... [查看全文]
learning english is much more than a fad; it is really a must! let's take a look around us: the latest... [查看全文]
nowadays, them are more and more motorcycles in streets. now and then. one or two molorcycles will come into... [查看全文]
eleven students from world college, west of the united states, kissed their newly-made chinese fathers and mot... [查看全文]
narcissus had a twin sister whom he loved better than any one else in the world. his sister was very beaut... [查看全文]