A：事物是永恒发展的
B：要注重事物量的积累
C：事物发展是前进性与曲折性的统一
D：事物发展的总趋势是前进的
如表数据为科研人员实验测得体外培养的某种动物细胞的细胞周期（分裂间期包括G1期、S期和G2期、M期为分裂期）各阶段时间（单位：小时），回答下列问题：
周期
G1
S
G2
M
合计
时长（h）
10
7
3.5
1.5
22
Name
Li Mei
Age
13
Study at
No. 1 Middle School, Class 8, Grade 7
School
not very big, trees, flowers
a school library, a reading room……
Teachers
kind ……
After-school activities
play tennis, swim……
My school
My grandparents are ____ ____ the country life, and they wouldn't like to live with us.
