— Is Miss Lin your favourite teacher?
— Yes, _______ classes are always interesting.
A:her
B:she
C:his
D:he
计算,怎样简便就怎样算.
32.4×1.8÷4.5=____
下图示基因控制性状的相关过程,请据图回答:
下列地点中,位于“北半球”“中纬度”“西半球”的是( )