TF Boys _______ their musical ability and are invited to many programs.
A:are strict with
B:are known for
C:are full of
工业甲醛(HCHO)含量测定的一种方法是:在甲醛的水溶液中加入过氧化氢,将甲醛氧化为甲酸,然后用已知浓度的氢氧化钠溶液滴定,(已知H2O2也能氧化甲酸HCOOH)
①HCHO+H2O2→HCOOH+H2O△H<0
②NaOH+HCOOH→HCOONa+H2O△H<0
下列有关说法正确的是( )
塔里木盆地位于( )