①实现了农业与互联网的结合，降低了流通成本

②作为一种特殊养殖方式，满足了现代消费需求

③是随着农业电子商务发展出现的新的营销模式

④将带动现代农业发展，解决食品安全问题

____，特指报纸、书籍、广播、电视、电脑网络等各种传播工具。

带着问题来读《猴王出世》。

猴王出世地点是____国，____山，是由于____而出世的。他与群猴玩耍时，因敢于____，被群猴拜为“猴王”。从这一点可以看出石猴____的特点。

人体的肌肉主要是由蛋白质构成的，但骨骼肌、心肌、平滑肌的功能各不相同，是因为

    Marco Polo was from Venice, Italy. In 1271, at the age of 17, Marco went on a trip with his father and uncle to China. Today people often travel to different places around the world. But it was very hard for people from Europe to visit China then. After three and a half years, the Polos reached China in 1275.

    While he was there, Marco Polo worked for Kublai Khan, the emperor of China. He was able to learn and experience many things that were new to Europeans. In his diary, he wrote, "Kublai Khan's palace is the greatest I've ever seen. The streets of the new capital, Dadu, are so straight and so wide." Paper money also took him by surprise, since it was not yet in use in the West at that time. Homes were heated with "black stones… which burn like wood." Those stones were coal, and most of the Europeans knew little about it then.

After 17 years in China, Marco and his family finally returned to Venice. After he returned home, Marco completed a book called The Travels of Marco Polo, full of facts about his wonderful experiences in China.

⑴____   ⑵____   ⑶____   ⑷____