-- Must I dress up as the Monkey King?
-- No, you . You can choose whatever you like.
A:can't
B:mustn't
C:shouldn't
D:needn't
在实数:3.14159,643,1.010010001…,,π,227中,无理数的( )
①越烧越旺(4个):____、____、____、____
②旺旺的(4个):____、____、____、____
N(NO2)3,是科学家2011年发现的一种新型火箭燃料,请计算: