填空题 In this section you will hear a talk. You will hear the talk ONCE ONLY.While listening, you may look at the task on ANSWER SHEET ONE and write NO MORE THAN THREE words for each gap. Make sure what you fill in is both grammatically and semantically acceptable. You may use the blank sheet for note-taking. You have THIRTY seconds to preview the gap-filling task. Now listen to the talk. When it is over, you will be given TWO minutes to check your work. Why Do Women Live Longer Than Men? I. Women live longer than men 1)In developed world, the average difference: five or six years 2)In developing world, smaller gap owing to (1)____risks II.Two explanations why women live longer 1)(2)______explanation : women live longer to help bring up grandchildren 2) Medical explanation: elderly women have (3) hearts than men of the same age III. The medical study on the difference between the two sexes 1) Participants: -(4)____volunteers - aged between 18 and 80 -healthy but (5) 2) Method: -(6) measured before and after exercise 3) Findings: Between the ages of 20 and 70 - Men lose (7) of the contractile muscle cells in the walls of their hearts -Women lose hardly any contractile cells 4) Reasons: - Why men lose these cells and women do not is (8) - Theory that female sex hormone could have a protective effect on the heart (9)______by the researcher 5) Suggestion for men To start (10) regardless of age