那么我们开始今天的课程吧
1.本节课我们进行讲解80课学习【The Crystal Palace 水晶宫】。
2.那么我们进行跟着外教演绎课文内容。
3.首先我们看语法要点【which】【 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.】非限制性定语从句【Our guide, who was a French Canadian, was an excellent cook. 我们的向导，一个法裔加拿大人，擅长于烹调。】【The boy, whose father is an engineer, studies very hard.那位父亲是位工程师小男孩学习很努力。】
4.继续看【He will put off the picnic until May 1st, when he will be free. 他将把郊游推迟到5月1号，那时他将有空。】【They went to London, where they lived for six months.他们去了伦敦，在那儿呆了六个月的时间。】【These apple trees, which I planted three years ago, have not borne any fruit. 这些苹果树是我三年前栽的，还没有结过果实。】
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