Unit 3 Under the sea 课前 10 分钟短文填空 It takes time for a new technology to everyday life
In most cases，the first to use it are and businesses
For example，electricity was used in factories and did not become to homes until several years later
The same was true for and cellphones
In the early days，computers were so large， and difficult to use that only government and industry experts could use them
Soon， ，the technology became cheaper and programmes were for people who had little or no training
entergovernmentsfirstavailablecomputersexpensivehoweverdeveloped 漫画欣赏 画面描述 A boy，holding a book titled “Civic Virtue” in the air，cries，“Who lost it
” Just in front of him is another boy，who is throwing banana peel onto thestreet
Meanwhile a welldressed couple nearby is spitting
寓意理解 Some people ignore
