练习材料：
Lesson80 The Crystal Palace
Perhaps the most extraordinary building of the
nineteenth century was the Crystal Palace, which was built in Hyde Park for the
Great Exhibition of 1851. The Crystal Palace was different from all other
buildings in the world, for it was made of iron and glass. It was one of the
biggest buildings of all time and a lot of people from many countries came to
see it. A great many goods were sent to the exhibition from various parts of
the world. There was also a great deal of machinery on display. The most
wonderful piece of machinery on show was Nasmyth's steam hammer. Though in
those days, traveling was not as easy as it is today, steam boats carried
thousands of visitors across the Channel from Europe. On arriving in England,
they were taken to the Crystal Palace by train. There were six million visitors
in all, and the profits from the exhibition were used to build museums and
colleges. Later, the Crystal Palace was moved to South London. It remained one
of the most famous buildings in the world until it was burnt down in 1936.
录音时长：1m31s（s）
任务配置： L0+L1+L4
知识笔记：
/ɒ/ （文中单词黑体标出）
1）将嘴张大，上下齿分开。
2）舌身降低后缩，双唇稍稍收圆。
3）震动声带，短促有力的发出/ɒ/音。
注意：/ɒ/发音特点是低舌位、后舌位、圆唇。
单词：
extraordinary adj. 不平凡的，惊人的。
iron /ˈaɪən/ 音标
Crystal Palace, giant glass-and-iron exhibition hall in Hyde Park, London, that housed the Great Exhibition of 1851. The structure was taken down and rebuilt (1852–54) at Sydenham Hill (now in the borough of Bromley), at which site it survived until 1936.
Britain's Great Exhibition of the Works of Industry of all Nations took place from May 1 to Oct. 11, 1851. Intended to showcase the industrial and cultural products of the world, it drew exhibitors and visitors from across the globe.
世界博览会的前身
更多信息：https://mashable.com/2016/10/08/great-exhibition/#KYK3aOUtuiqf
a lot of / A great many / a great deal of / thousands of 表示数量很多的词组
was different from 不同于
练习感悟：
1.今天有点时间就多差了点资料，很有意思。
2.这篇里面很多清辅音，读起来好难受，越发的感觉到底气不足，
3.膝盖总是疼，好容易分散注意力啊，还有腰……
4.加油
