新生儿复苏时胸外按压与正压的比例为（） ["1：2","2：1","3：1","4：1","5：1"]
What are two rules for compacting IPv6 addresses?（） [" Every 16 - bit segment segment that consists of all zeroes can be represented with a single colon."," The trailing zeroes in any 16 - bit segment do not have to be written."," The leading zeroes in any 16 - bit segment do not have to be written."," Any single, continuous string of one or more 16 - bit segments that consists of all zeroes can be represented with a double colon."," The maximum number of times a double colon can replace a 16 - bit segment that consists of all zeroes is two."," Two zeroes in the middle of any 16 -bit segment do not have to be written."]
哈拉巴文明（Harappaflourish）
游标卡尺读数的整数部分为130mm，游标的第11条线（包括零线）与尺身刻线对齐，若卡尺精度为0.02mm，则测得尺寸为（）。 ["130.22","130.02","130.18","130.10"]
（）是民族精神的核心。 ["改革开放","改革创新","爱国主义","团结统一"]
公司特别风险
