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一只蚂蚁在如图所示的树上寻觅食物,假定蚂蚁在每个岔路口都会随机选择一条路径,它获得食物的概率是( )
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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
在今天中国市场上,“西门子”的家电和通讯产品到处可见。西门子是19世纪德意志的一位科学家,他在第二次工业革命中的主要成果是