Questions 19-27Complete the summary below by using words taken from Reading Passage 2.Use NO MORE THAN THREE WORDS OR A NUMBER for each answer. Write your answers in boxes 19-27 on your Answer Sheet.Initially, doctors believed that Valium was a comparatively (19) drug for a number of reasons: it worked quickly, patients could take it but give it up easily and it didn’t create any unpleasant (20) However, about thirty years ago some disturbing facts became apparent. Doctors found that Valium was (21) in the short term and users needed to (22) the dosage in order to get the same effect. They also found that even users who took a (23) dose became addicted very quickly. In addition to this, one of the most worrying concerns about Valium use was that it was extremely (24) for users to give up the drug because it had a long half-life. Doctors are now aware that patients who take Valium merely receive a short-lived feeling of (25) .Therefore, guidelines have been developed to make sure that it is used only when it is (26) More caution needs to be exercised. Doctors need to talk about patients’ stress levels and advise them of (27) . Finally, patients need to be more aware of the medications they take. 19（）