Task 1 　　柱图：两张图、两个时间点(1996,2006)。第一张图-total percentage of films released (drama, comedy, fantasy and romance)，第二张图-total percentage of ticket sales (drama, comedy, fantasy and romance) 　　Task 2 　　With computers and Internet, people can study and work without going to school or company. Do the advantages outweigh its disadvantages?