Label the diagram below.Choose NO MORE THAN ONE WORD from the passage for each answer.Write your answers in boxes 7-9 on your answer sheet.A model of an acrocanthosaurusDinosaur's name comes from spines. One theory: they were necessaryto hold up a 1whichhelped control body heat.Skull is 2compared with rest of body.
  • 1、
  • 2、
  • 3、
【正确答案】 1、sail,    2、narrow,    3、Locomotion    
【答案解析】解析：'It has a deep broad tail and powerful[= highly developed]leg muscles to aid[= make easier]locomotion.'