All the following are the advantages of digital still camera EXCEPT ______.
A) no need of film C) the image can be changed
B) too expensive to own D) high resolution

单项选择题The best title for this passage is ______. A) New Digital Age of Interactivity C) Ways of Using Digital Still Camera B) Digital Still Camera D) Hello Digital

单项选择题The word discard (para.4) probably means ______. A) delete C) alter B) store D) remove

单项选择题In the second paragraph the writer used an example to show that ______.

单项选择题From the first paragraph we know the average person thinks ______. A) the digital age is far away C) digital age is terrifying B) digital is too complicated for him D) both A and B