精聽(tīng)建議：

先完整地把一條新聞聽(tīng)一到三遍，爭(zhēng)取掌握大意。然后，一句一句精聽(tīng)，力爭(zhēng)每句話都聽(tīng)明白。遇到實(shí)在不懂的地方，再聽(tīng)寫。

下面的文本材料中空缺部分里面要填的詞都很簡(jiǎn)單，不過(guò)是一些值得注意的連讀或者典型的美式發(fā)音哦，有些語(yǔ)速比較快。試試看，你能不能全部寫對(duì)？

（參考文本，歡迎指出錯(cuò)誤^^）

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■