Ⅰ.单词拼写
1．Additional ________ (安全) procedures and checks may be taken according to the decision of the gallery.
2．The thief left a note at the scene of the ________ (犯罪活动), challenging detectives to catch him.
3．Advances in technology ________ (结合) with more open policies have already created an interconnected world.
4．These are all examples of natural ________ (克隆)．
5．I think ________ (人工的) intelligence will have a promising future.
