Unit 3 Period 3 Integrated skills （课件）-【步步高】2023-2024学年高二英语选修第二册（译林版2020）

Unit 3 Helping people Period 3 Integrated skills 说明文是阐述事物的特征、本质、性能、结构、用途或科学原理的一种文体。高考英语说明文内容集中在反映社会现象、介绍方位地点和指导如何做事情这些方面，要求考生能够按照一定的说明顺序进行介绍和说明，以达到实际应用和交际的目的。 篇章结构 说明文一般分为三部分： 第一部分：主要介绍要说明的对象及说明的目的； 第二部分：说明事物的主要特征或做事情的方法步骤； 第三部分：进行总结概括。 注意事项 1.仔细审题：抓住要说明的事物或事理的主要特征。 2.选择合理的说明顺序：比如时间顺序、空间顺序或逻辑顺序，分层次进行说明，注意条理清晰。 3.选择恰当的说明方法：比如定义法、举例法、比较法和细节描述法等，来增加文章的色彩。 4.语言：既要确切无误，又要通俗浅显。适当使用一些结构比较复杂的句式，如定语从句、名词性从句、倒装句、强调句及非谓语动词等，以增加语言表达效果。 常用表达 关于志愿服务的常用表达有： 1.Helping others is helping oneself. 帮助他人就是帮助自己。 2.Volunteer activities can broaden students’ horizons. 志愿活动能开阔学生的视野。 3.Furthermore，I also actively participate in community activities and volunteer service activities. 此外，我还积极参加社区活动和志愿者服务活动。 4.I often do volunteer work and it makes our society more harmonious. 我经常做志愿工作，它使我们的社会更加和谐。 5.Volunteer service not only benefits our society but also improves personal quality. 志愿服务不仅有益于社会，还能提高个人品质。 6.I will value it and do all I can if I could be accepted to be a volunteer. 如果我能被接纳成为一名志愿者，我会珍惜它并将尽我所能。 7.I did volunteer work with my friends during the summer holiday，which made us benefit a lot. 暑假期间，我和朋友们做志愿工作，这使我们获益很多。 8.The reason why I choose to be a volunteer is that I want to make our city a more beautiful place to live in. 我选择成为一名志愿者的原因是我想让我们的城市成为一个更美的居住地。 实践演练 不论是大事件还是小场合，每个需要帮助的地方都能看到志愿者服务的身影。他们用一颗颗爱心，温暖和帮助着他人，进行着爱的传递，同时也收获着成长。某英文网站正在开展以“我的志愿服务经历(Volunteering：living and learning)”为主题的征文活动。假如你是李华，请用英语写一篇短文投稿，谈谈你对志愿服务的理解。 提示问题： 1.Why do people volunteer? 2.What types of volunteer work are there? 3.Have you worked as a volunteer or have you heard of stories about volunteering? Share with your partner. 4.What contributions do volunteers make? 第一步　审题谋篇 [审题] 写作要求是写一篇说明文，写作时应注意下面几点： 1.确定文体：这是一篇说明文。写作时注意说明文的写作特点。 2.主体时态：文章应以一般现在时为主。 3.主体人称：人称应该以第三人称为主。 [谋篇] 第一段：什么是志愿服务； 第二段：志愿服务的类型，举例说明； 第三段：什么原因促使人们参加志愿服务； 第四段：结论。 第二步　遣词造句 [核心词汇] 1.发生，出现 _____________________ 2.对(某人)有益，使受益 _____________________ 3.种种；各种各样的 _____________________ 4.视力 _____________________ 5.低视力的 _____________________ 6.激励，激发 _____________________ 7.减少，降低 _____________________ 8.牵涉，涉及；包含 _____________________ occur benefit a variety of/varieties of eyesight low-vision motivate reduce involve [连词成句] 1.志愿者们可以选择一些自己熟悉的活动。 Volunteers can choose activities . 2.志愿者们也可以选择一些有挑战性的活动。 Volunteers can choose activities . 3.志愿服务包括自愿为他人的发展和幸福贡献时间和精力。 Volunteering involves willingly the development and well-being of others. that are challenging contributing time and energy to that they find familiar 4.志愿服务是一个非常好的选择。 _______________________________________________________________ Volunteering is a best choice. 第三步　句式升级 1.用并列句合并句1和句2。 ____________________________________________________________________________________________________________________________ 2.用非限制性定语从句合并句3和句4。 ____________________________________________________________________________________________________________________________ Volunteers can choose activities that they find familiar，or the ones that are challenging. Volunteering，which involves willingly contributing time and energy to the development and well-being of others，is a best choice. 第四步　组句成篇 用适当的过渡词语，把以上词汇和句式，再加上联想内容，组成一篇英语短文。 参考范文 Volunteering：living and learning Volunteering occurs when we give our time and efforts for free to do an activity that benefits others or the environment. Volunteer activities offer a variety of choices and come in many forms.Volunteers can choose activities that they find familiar，or the ones that are challenging.For instance，someone in the medical field may volunteer at a care home for the elderly.Volunteers with good eyesight can help guide blind and low-vision people. The choice to a volunteer is motivated by various factors.Volunteering keeps us physically and mentally healthy.Doing meaningful work reduces stress levels，which helps us sleep better and get sick less often.Additionally，doing various volunteer activities lets us meet new people and improve our social skills. Volunteering，which involves willingly contributing time and energy to the development and well-being of others，is a best choice. $$