对不可药用的毒性药品,由单位领导审核后即可销毁。
参考答案:错
No one could _________ the failure of the experiment as everything went smoothly at first.
A.give an account for
B.account for
C.take account of
D.take into account
将4.6 g金属钠投入到95.6 g水中,得到的溶液溶质的质量分数是 ( )
A.4.6%
B.7.6%
C.8%
D.10%