6、The doctor, having no knowledge that I this particular drug, prescribed the medicine。be serious about、make sense、run into、distinguish between、thrust upon、be attracted to、get lost、feel obliged to、look upon as、be allergic to

30. What is the author's suggestion to those who are seeking employment?

29. What does the author want to illustrate with the example of smartphones?

28. What is the focus of Professor O'Keefe's recent research?

27. What did Professor O'Keefe find in his earlier studies?

26. What does the author say about the world today?

25. What does the author tell us to do concerning tactile communication?

24. What do we learn about social customs in Arabian countries?

23. What do we learn about people in high-contact cultures?

22. What does physical contact in communication suggest?

21. What does the author say in the first paragraph about physical contact?