A: H: Cl:
B:26M3+
C:
D:
Nowadays working women bear a lot more pressure _________them from families and careers.
下表是七年级三班30名学生期末考试数学成绩表(已破损)
成绩(分)
50
60
70
80
90
100
人数(人)
2
5
7
3
已知该班学生期末考试数学成绩平均分是76分.