古希腊哲学家亚里士多德说过,没有人愿意过百善俱全而独缺朋友的生活。这表明( )
A:友谊可以可无
B:每个人都需要友谊
C:友谊不过是朋友之间的相互利用
D:同龄人之间才有真正的友谊
Music Club
Friday-Sunday 9:00a.m.-5:00p.m.
¥20/hour for children(under 12)
¥30/hour for adults
264 Center Street
Tel: 504-525-2951
Holiday Restaurant
Monday-Friday 11:00a.m.-10:00p.m.
Saturday-Sunday 11:00a.m.-10:30p.m.
1403 Jinjiang Road
Tel: 504-410-9997
Come to enjoy Dandong seafood.
Movie World
Tuesday-Sunday 10:30a.m.-9:30p.m.
¥48 for adults
¥30 for children (under 15)
162 Guangming Street
Tel: 504-822-9503
Science Museum
Thursday-Sunday 10:00a.m.-4:30p.m.
Ticket price:¥50
132 Xueyuan Street
Tel: 504-732-9406
If you want to learn about robots, welcome to the science museum.
①加入的无水乙醇太多
②用丙酮代替无水乙醇
③层析液没及滤液细线
④研磨时没有加入CaCO3
⑤研磨时没有加入SiO2
⑥选取的叶片的叶脉过多,叶肉细胞过少
⑦画滤液细线的次数少
⑧使用放置数天的菠菜叶
下列各组仪器中,不能用来组装实验室制取二氧化碳装置的是( )