In this section you will hear everything ONCE ONLY.
Listen carefully and then answer the questions that follow. Murk the correct
answer to each question on your coloured answer sheet.
People should stay away from caffeine after lunch because
A.its effect may linger for almost 10 hours. B.it disturbs the way people feel in daytime. C.it accelerates heartbeat and respiration. D.they may want to take a catnap.