Translate the following sentences into Chinese. 1) Every July, graduates come to the end of their college life, which they will cherish forever. 2) The Internet offers people more chances of learning about the world. 3) Now, in accordance with tradition, I declare the Winter Olympic Games open ! 4) She has been reading all the necessary information ever since in order to be able to participate in that project. 5) The group awed us with their talent, teamwork and achievements. 6) Every year CCTV chooses “Moving China Top Ten” as the true role models from across the whole nation. 7) The past two decades have witnessed great changes in information technology.