【简答题】阅读下列材料,按要求完成下列各题。 When I was a child, my parents always told me that I should never talk to strangers. This was part of a whole list of things I should never do : Never accept food or candy from stran...
【判断题】No x-ray machines or body scanners such as you find at the entrance to the U.S. Capitol and the White House. ----There were no x-ray machines or body scanners like the ones you find at the entrance to...