Unit 7 What's the highest mountain in the world？　Section A (3a－3c) 教案

第二课时　Section A (3a－3c)
主备内容 Section A(3a－3c)
教学目标 【知识目标】Important words：achievement，thick，include，condition，succeed，achieve，force，natureImportant phrases：take in，in the face of，achieve one's dream，even thoughImportant sentences：1．One of the world's most dangerous sports is mountain climbing.2．One of the main reasons is that people want to challenge themselves in the face of difficulties.【能力目标】学生能够运用比较级和最高级复述短文。【情感目标】面对困难，勇于挑战自己，不轻易言败。
教学重难点 重点：形容词的比较级用法。难点：抓取文章关键信息的能力。
教法学法 小组合作学习；分组讨论法。
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Step 1　自主学习
【新词自查】
根据句意及汉语提示完成句子。
1．My hobbies __include__(包括) reading and painting.
2．The ice on the lake is __thick__(厚的) enough to skate on.
3．People's living __conditions__(条件) are becoming better and better.
4．I think you are sure to __succeed__(成功) if you work hard.
5．Wild animals should live in the __nature__(自然界)．
Step 2　情景导入
T：We have known something about Qomolangma.It's one of the most dangerous mountains in the world.However，millions of mountain climbers want to reach the top of it.Some of them even risk their lives.Today，we will learn more about them.
Question：
T：Why do so many people want to reach the top of Qomolangma
S：I think…
设计意图：通过介绍攀登珠峰这一危险运动导入新课，既激发了学生的学习兴趣，又鼓励学生在生活中要有克服困难的勇气。
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Step 3　完成教材3a－3c的任务
【操作案例】
1．学生自读3a，完成3a中的匹配任务。
2．播放录音，学生跟读课文，邀请部分学生朗读，教师纠正语音。
3．学生完成3b的表格填充，邀请学生说出答案。
4．学生完成3c，邀请几位学生将答案书写在黑板上，统一纠正。
设计意图：在阅读理解训练中，学生将自己所学的知识进行运用，从而巩固所学知识。
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【知识点拨】
1．take in
take in 为固定短语，意为“吸入；吞入(体内)”。
例句：Open the window and take in fresh air.打开窗户，吸入新鲜空气。
Don't let children take in small parts of toys.千万不要让孩子将玩具的零部件吞入体内。
【拓展】take in的其他含义：
(1)收留；留宿
例句：He had no places to sleep in so we offered to take him in.他没有地方可睡，于是我们提出让他留宿。
(2)充分理解；掌握
例句：It took me a long time to take in what you were saying.我费了好长时间才明白你说的话。
2．force
force名词，意为“力；力量”。常见短语：the forces of nature 自然力量，the force of the explosion 爆炸力。
例句：The force of the explosion destroyed many tall buildings.那次爆炸的力量摧毁了许多高大的建筑物。
【拓展】force还可用作动词，意为“强迫；迫使”。force sb.to do sth.意为“迫使某人做某事”。
例句：They forced him to leave the small town.他们迫使他离开小镇。
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Step 4　板书设计
Section A(3a－3c)
Important words：achievement，thick，include，condition，succeed，achieve，force，nature
Important phrases：take in，in the face of，achieve one's dream，even though
Important sentences：
1．One of the world's most dangerous sports is mountain climbing.
2．One of the main reasons is that people want to challenge themselves in the face of difficulties.
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本节课通过匹配段落大意的方式激发学生的学习兴趣，并在讲练结合的基础上帮助学生掌握比较级和最高级，从而达到较好的教学效果。