一起答
单选

Long-distance runners may at times worry about their heart healthwhile taking part in theevents. But astudy finds that heat stroke (中暑) fellsmany more runnersthan ____76____ a heartproblem.Heat stroke can damage a person’s brain, heart, kidneys and ____77____.

  • And new data showsthe toll it takes. Researchers ____78____ health records frommore than 130,000 runners whocompeted in long-distance events during a seven-year span.Theanalysis ____79____that distancerunners were 10 times more ____80____ to experiencehea
  • A.is
  • B.has
  • C.do
  • D.does
参考答案
查看试卷详情
相关试题