Cross cultural communication ---Please help me! True or False 16. In England you should remember that drugs may not be available without a doctor's prescription（处方）. 17. It is more polite to type the letters of invitation or acknowledgement than to write them with a pen. 18. If you are a male and introduced to an English speaking lady, you do not take the initiative in shaking hands unless she holds out her hand first. 19. When you feel ill and want to go and see a doctor, it is a good idea to make an an appointment before you go. 20. You think that John is a strange American because he takes cold bath and drinks boiled water.