Period3 Grammar1, Grammar 2课题Period3 Grammar 1, Grammar 2课型New教 学 目标1. To enable the Ss to know the difference between a defining relative clause and a non-defining relative clause.2. To make Ss master the contraction of attributive clauses重点Enable the Ss to learn t attractive clauses.难点How to grasp some grammar points.学 情 分析The Ss can finish the task.教 具 课件1. A recorder 2. A projector 3. A computer教法1. question, ask and answer.2. Individual, pair or group work to make every student work in class.教 学 程序教学内容师生活动时 间分配Step 1Step 1. Grammar 1 — Non-defining relative clause1. Ask Ss to read out the sentences in Activity 1 and translate them into Chinese. Suggested Answers:(1) 毛泽东写过一首词，在这首词中，他表达了“更立西江石壁，截断巫山云雨”。(2) 三峡大坝是长城和大运河修建以来中国最大的建设工程，它的建造是为了控制洪水和向华中地区提供电力。(3) 1919 年辛亥革命的领导人孙中山，于 1919 年首先提出了建造横跨长江大坝的设想。(4) 住在这个地区的 100 多万人已经搬家。2. Ask Ss to answer the questions in Activity 1 individually and check with their partners. Then give them the right answers.Choose the 17’Step 23. Give Ss some explanation.(1) A relative clause that contains essential information about the subject is called a defining relative clause. A relative clause that contains extra information about the subject is called a non-defining relative clause.(2) 限制性定语从句修饰前面的名词，清楚表达了所修饰的名词的特征。如：Mao Zedong wrote a poem in which he dreamed of “walls of stone to hold back clouds and rain”。 毛泽东写了一首“更立西江石壁，截断巫山云雨，高峡出平湖”的词。The ice which covers the South Pole has begun to melt. 覆盖南极的冰已经开始溶化了。(3) 非限制性定语从句位于确定的名词之后，对这类的名词不做限制性的描述，只是...
