感谢阅读下载！祝生活愉快21有编号为A1，A2，A10的10个零件，测量其直径（单位：cm），得到下面数据：编号A1A2A3A4A5A6A7A8A9A10直径1.511.491.49（）求这2个零件直径相等的概率一1-5 CCBAA 6-8ABC二1.The government decided to begin a campaign to wipe out the Bird Flu which/that had killed tens of people.2.The parents are worried about the safety of their 12-year-old son who/that has been missing for 3 days.3.Have you got the e-mail which/that she sent to you yesterday.4.The boy whom/who police are searching for has come back.5.I lost a bag in which there was something important last night.
