实验室用5%的NaOH溶液洗涤硝基苯以除去其中的酸性杂质,洗涤时不要用到( )
选出恰当的应答语。
A.Thanks.Yum!
B.They're pandas.
C.Yes,I do.
D.One,two,three…twelve!
E.No,they aren't.
( 1 )____( 2 )____( 3 )____ ( 4 )____ ( 5 )____