精听建议：

先完整地把一条新闻听一到三遍，争取掌握大意。然后，一句一句精听，力争每句话都听明白。遇到实在不懂的地方，再听写。

下面的文本材料中空缺部分里面要填的词都很简单，不过是一些值得注意的连读或者典型的美式发音哦，有些语速比较快。试试看，你能不能全部写对？

（参考文本，欢迎指出错误^^）

Lesson29 Popcorn

All corn does not pop. A seed of corn must have 14% water in it to pop. Other ___(1)___ corn have less water and do not pop. When you heat a seed of corn, the water inside makes the corn explode. This makes a “pop” noise. That is why we call it popcorn.
The American Indians popped corn ___(2)___. The Indians knew there were three kinds of corn. There was sweet corn for eating, corn for animals, and corn for popping. The Indians introduced corn to the first settlers, or Pilgrims, when they came to America in 1620. One year after they came, the Pilgrims had a ___(3)___ . They invited the Indians. The Indians brought food with them. One Indian brought popcorn!
Since that time Americans continued to pop corn at home. In 1945 there was a new machine that changed the history of popcorn. This electric machine popped corn outside the home. Soon movie theatres started to sell popcorn to make more money. Popcorn at the movies became ___(4)___popular.Today,Americans still continue the ___(5)___ of eating popcorn at the movies.

■填空答案■