【多选题】发现灾难相关谣言后,正确的处理方式包括
C.
及时直接指出其荒谬之处,或进行反证来否定谣言
【单选题】Waiters and waitresses often introduce _____: “Hi! I’m Don (or Debbie).”
【判断题】根据速控步确定反应类型:亲电加成还是亲核加成。
【简答题】AMC7135是什么样的芯片: (恒流、恒压)
【单选题】The water behind the Three Gor ges Dam should be ________ higher than down stream. [ ]