unit13we'retryingtosavetheearthsectiona-2

<h1>Period 2 Section A&nbsh1; (3a-3c)</p> <p> </p> <p> </p> <p>【知识与能力目标】</p> <p>1.掌握重点单词及短语。</p> <p>2.复习语法：能正确区分和使用以下语法结构：现在进行时，现在完成时，被动语态，情态动词和used to 句型。</p> <p>【过程与 方法 快递客服问题件处理详细方法山木方法pdf计算方法pdf华与华方法下载八字理论方法下载 目标】</p> <p>本课主要采用任务型教学法，情景教学法以及多媒体辅助教学，充分发挥教师的主导作用和学生的主体地位。利用现代化教育技术优化教学过程，通过课件为学生创设更多生动活泼的语言环境，把学生吸引到活动中去，并激发他们主动参与学习的欲望，努力培养学生自主学习的能力。</p> <p>【情感态度价值观目标】</p> <p>通过学习具有环境危机意识，学会关注环境保护环境。</p> <p> </p> <p> </p> <p>【教学重点】</p> <p>1) 掌握本部分出现的生词和词组，达到熟练运用的目标。</p> <p>2) 阅读短文，获得相关的信息。通过阅读练习，来提高阅读能力。</p> <p>【教学难点】</p> <p>1) 阅读短文，获得相关的信息的能力。</p> <p>2) 理解并运用所学的词汇及 表 关于同志近三年现实表现材料材料类招标技术评分表图表与交易pdf视力表打印pdf用图表说话 pdf 达方式。</p> <p> </p> <p> </p> <p>1. 准备录音机和磁带；</p> <p>2. 设计 领导形象设计圆作业设计ao工艺污水处理厂设计附属工程施工组织设计清扫机器人结构设计 课后巩固练习；</p> <p>3. ppt 关于艾滋病ppt课件精益管理ppt下载地图下载ppt可编辑假如ppt教学课件下载triz基础知识ppt ； </p> <p> </p> <p> </p> <p>Step 1. Revision</p> <p>Translation.</p> <p>①甚至是河底都满是垃圾。</p> <p>②这个小镇上的每个人都应该参加打扫。</p> <p>③骑自行车有其它的优点。</p> <p>④我买外卖食品从来不拿木筷子和塑料叉子。</p> <p>Step 2. Warm- up</p> <p>   1. T: The earth is badly polluted. What should we do to save the earth? Let’s take action. For example:</p> <p>      ①Turn off the lights when you leave a room;</p> <p>      ②Take buses instead of driving cars</p> <p>③Recycle books and paper.</p> <p>2. There are some animals are endangered. We should do something to protect the animals and the environment! </p> <p>Step 3. Discussion</p> <p>1. What do you know about shark(鲨鱼)?</p> <p>2. Do you think sharks can be endangered? Why?</p> <p>3. What do you think might cause a fall in the number of sharks?</p> <p>Step 4. Reading</p> <p>1. Complete the fact sheet in 3a. </p> <table border="1" cellspacing="0" cellpadding="0"> <tbody> <tr> <td><p>Where shark fin soup is popular</p></td> <td><p> </p></td> </tr> <tr> <td><p>Number of sharks caught</p><p>and traded every year</p></td> <td><p> </p></td> </tr> <tr> <td><p>How much the numbers of </p><p>some kinds of sharks have </p><p>fallen in the last 20 to 30</p><p>years</p></td> <td><p> </p></td> </tr> <tr> <td><p>Two environmental groups </p><p>which are against “finning”</p></td> <td><p> </p></td> </tr> </tbody> </table> <p>2. Retell the passage. </p> <p>shark’s fin soup,            in southern China </p> <p>each time      cut off    no longer     not only…but also…         </p> <p>at the top   drop           be endangered        the strongest         around 70 million   fallen by over 90 percent   WildAid and the WWF   develop laws   scientific studies</p> <p>Step 5. Practice (Work on 3b)</p> <p>  Read the passage and fill in the blanks with the words in the box.</p> <p>1) Many people do not realize they are killing a whole shark ______ they      enjoy a bowl of shark fin soup.</p> <p>2) Sharks are at the top of the food chain, ____ if their numbers drop, the ocean’s ecosystem will be in danger.</p> <p>3) Many think that sharks are too strong to be endangered, _____ they are wrong.</p> <p>4) _________ there are no scientific studies to support this, a lot of people believe that shark fins are good for health.</p> <p>5) Sharks may disappear one day ___ we do not do something to stop the sale of shark fins.</p> <p>Step 6. Language points</p> <p>1. A shark can no longer swim and slowly dies. 鲨鱼不能再游泳然后慢慢死掉。</p> <p></p>