高三英語二輪復(fù)習 閱讀理解專項 科普說明類（二）教學案

1、裝訂線科普說明類(二)課題 ：閱讀理解：科普說明類(二)教學目標：掌握閱讀理解：科普說明類解題技巧.教學重難點：掌握閱讀理解：科普說明類解題技巧.教學過程集體備課部分（學生活動部分）個性備課部分/學生記錄Task 1【自主學習】 檢查晨讀內(nèi)容Task 2【微技能突破】接上【解題思路】第一步速讀文章, 找出本篇主題句_第二步對比選項, 確定答案關(guān)鍵詞復(fù)現(xiàn): _嘗試解答: _【答題技巧】1. 識別題干關(guān)鍵Whats the main idea of the passage/text? Whats the passage/text mainly about? What does the author

2、 mainly discuss in the passage/text? 2. “主題句定位”尋主旨概括文章主旨關(guān)鍵在于查找主題句。主題句是文章的核心, 具有明確的概括性。主題句的位置一般有以下幾種: 主題句出現(xiàn)在文首。開門見山, 提出主題, 用細節(jié)來解釋或發(fā)展主題句所表達的主題思想, 是最常見的演繹法寫作方式。新聞報道、說明文或議論文通常采用這種寫法。主題句出現(xiàn)在文末。在表述細節(jié)后, 歸納要點以概括主題, 是最常見的歸納法寫作方式。主題句首尾呼應(yīng)。為突出主題, 作者先提出主題, 結(jié)束時再次點出主題。主題句出現(xiàn)在中間。寫作方式為: 細節(jié)描述歸納主題進一步解釋。3. 掌握找主題句的五個竅門首段轉(zhuǎn)

3、折處常為文章主題句; 主題句常包含文章主題詞; 主題句常是定義型或總結(jié)型的句子; 首段出現(xiàn)疑問句時, 對該問題的回答可能是主題句; 首段出現(xiàn)具體例子或假設(shè)時, 例子或假設(shè)后面的內(nèi)容可能是主題句。考點2 總結(jié)段落大意類【典例】(2016浙江高考C片段) . . . Viewing childhood development as a scientific investigation throws light on how children learn, but it also offers an inspiring look at science and scientists. Why do y

4、oung children and scientists seem to be so much alike? Psychologists have suggested that science as an effortthe desire to explore, explain, and understand our worldis simply something that comes from our babyhood. Perhaps evolution(進化)provided human babies with curiosity and a natural drive to expl

5、ain their worlds, and adult scientists simply make use of the same drive that served them as children. The same cognitive(認知的)systems that 集體備課部分（學生活動部分）個性備課部分/學生記錄裝訂線 make young children feel good about figuring something out may have been adopted by adult scientists. As some psychologists put it,

6、“It is not that children are little scientists but that scientists are big children. ”. . . Q: What is the main idea of the last paragraph? A. The world may be more clearly explained through childrens play. B. _may lead to a better understanding of_. C. Children may have greater ability to figure ou

7、t things than scientists. D. Ones drive for scientific research may become stronger as he grows. 【解題思路】第一步讀本段文字, 試找出本段的主題句, 并標出能總結(jié)段落大意的關(guān)鍵詞。_第二步根據(jù)該題選項的特點以及找到的主題句補全選項B。_may lead to a better understanding of _. 嘗試解答: _【答題技巧】1. 識別題干關(guān)鍵The main idea of the. . . paragraph is probably_. The. . . paragraph t

8、alks about_. Whats Paragraph. . . mainly about? 2. “首尾兼顧”定選項每個段落通常都有一個中心, 段落中心通常會在段首句體現(xiàn)出來。有些采用歸納法的段落, 細節(jié)表述在前, 歸納概括在后, 段落中心會在段尾句體現(xiàn)。注意某些段落沒有明顯的段落中心, 需根據(jù)段落內(nèi)容概括出中心。考點3 歸納文章標題類【典例】(2015江蘇高考C) Suppose you become a leader in an organization. Its very likely that you want to have volunteers to help with the

9、 organizations activities. To do so, it should help to understand why people undertake volunteer work and what keeps their interest in the work. Lets begin with the question of why people volunteer. Researchers have identified several factors that motivate people to get involved. For example, people

10、 volunteer to express personal values related to unselfishness, to expand their range of experiences, and to strengthen social relationships. If volunteer positions do not meet these needs, people may not wish to participate. To select volunteers, you may need to understand the motivations of the pe

11、ople you wish to attract. People also volunteer because they are required to do so. To increase levels of community service, some schools have launched compulsory volunteer programs.Unfortunately these programs can shift peoples wishof participation from an internal factor(e. g. , “I volunteer because its important to me”)to an external factor (e. g. , “I volunteer because I am required to do so”). When that happens, people become less likely