【奇思妙想】2018-2019学年译林版高中英语选修7 Unit 4 课件:(共19张)Project--预防交通事故
【奇思妙想】2018-2019学年译林版高中英语选修7 Unit 4 课件:(共19张)Project--预防交通事故第3页

 Guess what it is 1. Number: 500,000 per year 2. Deaths: 100,000 per year =one death every 5 minutes =one injury every minute