I. 根据首字母和上下文完成句子： 1、We Chinese have friends t          the world. 2、A large v          is a must if you want to learn a language well. 3、A good advertisement should have persuasive language and c         images. 4、Both English and French are o        languages of Canada. 5、Overwork, little rest and poor food all c        to his illness. 6、With the d         of science and technology, more new products are made. 7、I think Tom will be a good r        when you are away. 8、A well written article should have both a good beginning and a good e         . 9、Tens of people were killed, some children i         . 10、The word “not” are p         differently in the UK and the USA. 11、Our school is a non-smoking one. So smoking is b      in our school. 12、She smiled to me, i        that she had seen me. 13、This is just a copy. Where is the o       ? 14、The story is written in s       English, so it’s easy for you to understand. 15、Water is the c       of oxygen and hydrogen. 16、The blacks are fighting against r       discrimination, 17、When you look into a mirror, you will see the r        image of yourself. 18、To build up your body, you should take exercise and do some p        labour. 19、Do you have any e       methods for studying the English language? 20、Taiwan is separated from m       of China by Taiwan Strait.