A:2 mol·L-1 H2SO4溶液
B:18 mol·L-1 H2SO4溶液
C:6 mol·L-1 KOH溶液
D:3 mol·L-1 HNO3溶液
“贤路当广而不当旗,言路当开而不当塞”“大智兴邦,不过集众思”。上述古语启示政府要( )
①审慎行使权力,坚持民主决策
②密切联系群众,广泛集中民智
③坚持依法行政,提高执法水平
④加强公共服务,提高行政效率
根据所给首,与出所缺单词。I can see a v ____ tape on the desk.Li Gang likes m ____ , but he doesn’t music.The p ____ is very good. I also want to buy one.This r____ is very big, but that one is very small.I n ____ a pen, two pencils and some books.