【单选题】测定易粉碎的药品的熔点,中国药典采用的方法是()
【多选题】为了防止和减少沉桩对周围环境的影响,可采用的措施是( )
【简答题】十进制的自然数可以写成2的方幂的降幂的多项式,如:19 (10) =16+2+1=1×2 4 +0×2 3 +0×2 2 +1×2 1 +1×2 0 =10011 (2) ,即十进制的数19对应二进制的数10011.按照上述规则,十进制的数413对应二进制的数是 ______.
【单选题】下列字母中含有相同音素的一组字母是_______. [ ]
【单选题】A child who has once been pleased with a tale likes, as a rule, to have it retold in identically the same words, but this should not lead parents to treat printed fairy stories as sacred texts. It is ...
A.
beneficially channeled
B.
given a destructive tendency
C.
held back until maturity
D.
effectively suppressed