蒸发二段清洗时，清洗的水（）。
A、不必排净
B、排入蒸馏进料缓冲槽
C、在下料管取样口排净
D、在闪蒸罐底部排净
参考答案：C
Which one of the following is incorrect for the biogenesis of eukaryotic ribosomes( )
A．25-50% of the pre-rRNA is degraded
B． Pre-rRNA binds to ribosomal protein
C． Pre-rRNA is cut to form three classes of rRNA
D．Pre-rRNA is methylated
E．The rRNA gene for the 40S subunit is transcribed separately
骨灰档案的开发与利用，能最大限度地体现社会的人性关怀，并延伸()的意义。
A、生存
B、工作
C、学习
D、开发
