缺词填空Milk as a kind of food has a long history.

题目

缺词填空Milk as a kind of food has a long history.
Milk as a kind food has a long history.
The old word "milk"came from Sanskrit——one of the oldest l_1_known to humans.A very old p__2____ of milking a cow has been found.It was d_3___five thousand years ago.
In the years long ago,people got their milk from their own a__4____.But in modern times new inventions made the milk industry a big b____5___.
In 1851 Gall Borden found a way to t__6__some of the water from milk.
This made it keep l__7___.Four years later,Louis Pasteur found a way to k__8____ bacteria in milk.Then the milk bottle was made.This was followed by the invention of machines,so that people could u__9___them to fill bottles with milk.some people are sure that milk drinking will be less p__10___than it has been.But remember how long milk has ever been important f__11____ in our life every day.It seems r__12___ to say that the milk industry will always be important.

答案

1.languages
2.process
3.discovered
4.animals
5.boom
7.lighter
8.kill
9.use
10.popular
12.rationa