the development of science and technology makes our life comfortable and convenient.however,scient**ts h**e created many problems,which are not easy to be resolved,such as air pollution,the deteriorat...
应该是:green campus.绿色校园 introduction university green campus ** the latest off of an american university in the trend of environmental protection slogans.284 u.s.university presidents **sued a statement...
beloved robert: serve as me in th** paragraph of financial cr**** , receive your incoming letter i am elated. when you ask about an impact of my financial cr**** over my family, sorrowfulness that i f...