Fill in the blanks with the words in the box.
 
interface          courtesy                  cognition             layer
dichotomy        profound                swipe                community
 
1.      There is often a  [填空1]         between what politicians say and what they do.
     2. Appreciate the people in your life, and practice saying thank you for any [填空2]       they show you.
3.      Drug trafficking is a matter of considerable concern for the entire international  [填空3]        .
     4. You can  [填空4]           left to see more search results.
5.      My computer has a network   [填空5]           , which allows me to get to other computers.
     6. What you learn and do now will have a   [填空6]         impact on the rest of your life.
     7. Why should we be surprised if this applies to other areas of [填空7]          ?
     8. If the first  [填空8]       isn't dry before you add the next one, the colors will run into each other.