A:他对地面的压力和他所受到的重力二力平衡
B:他对地面的压力和地面对他的支持力二力平衡
C:他受到的重力和地面对他的支持力是相互作用的力
D:他对地面的压力和地面对他的支持力是相互作用的力
请认真阅读下表回答问题。如图表说明( )
年份
收入
2010
2011
2012
2013
2014
城镇居民可支配收入
19107
21810
24565
26955
28844
农村居民可支配收入
5919
6977
7917
8896
10489
如图所示为制作洋葱鳞片叶表皮细胞临时装片的有关实验步骤,正确的顺序是( )
A
Fascinating Plant Show
All kinds of plants from all over the world will surprise you!
Time: 8:00 am—6:00 pm, May 1st—May 10th
Ticket price: ¥10
Place: People's Park
Traffic: No.1 Bus, No.10 Bus, No.12 Bus
Welcome to the Biggest Gardening Club!
Do you like gardening? Do you want to learn how to plant flowers? Please come to the Gardening Club.
Time: 10:00 am—4:30 pm, Wednesday—Sunday
Tel: 15831777899
Mr. Mango's Fruit Store Sale
We have all kinds of fresh fruits on sale. Do you like apples? We have red apples for only ¥2/kilo. We also have mangoes(芒果) for¥6/kilo, watermelons for¥1/kilo and pears for ¥2/kilo. Come and see by yourself.
Time: 8:00 am—8:00 pm
Hotline: 5684764