I don't like______ people and______ traffic in the big city.
A:too much; too many
B:many too; too much
C:too many; too much
D:too many; much too
核电荷数相同的粒子是( )
swim work thousand club they
根据下表,确定方程ax2+bx+c=0的一个解的取值范围是( )
x
2
2.23
2.24
2.25
ax2+bx+c
﹣0.05
﹣0.02
0.03
0.07