【单选题】When Volvo runs ads suggesting that its cars are the safest that money can buy, it is trying to ________.
【判断题】数字修约是否正确:1.5651→1.56
【简答题】A 抑菌剂 B 等渗调节剂 C 抗氧剂 D 润湿剂 E 助悬剂 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace> 下列注射剂附加剂的作用是 1 聚山梨酯类 () 2 甲基纤维素 () 3 硫代硫酸钠 () 4 葡萄糖 () 5 苯甲醇 ()
【单选题】Clinical evidence began to__________, suggesting that the new drugs had a wider range of useful activities than had been predicted from experiments in animals.
【判断题】数字修约是否正确:299792458→2.9х108
【单选题】种子工作包括育种和繁育两大部分,二者以()为分界线。
【判断题】数字修约是否正确:3.1415926→3.14
【判断题】按有效数字的修约规则,以5单位修约时,当末位数是“5”的倍数,应以5单位修约化整后,才能判断修约结果是否正确;相反当末位数不是“5”的倍数时,可直接判断修约结果是错误的。