1、本网站免费注册后即可以下载，点击开通VIP会员可无限免费下载！
2、资料一般为word或PPT文档。建议使用IE9以上浏览器或360、谷歌、火狐浏览器浏览本站。
3、有任何下载问题，请联系微信客服。
扫描下方二维码，添加微信客服
引导学生发挥想象，引起对科学知识的兴趣。
情感目标：
要求学生树立自主学习的意识。
教学过程：
Step 1:Revising
Let the students say someting about lesson 28 The Study of Living Things.
Step2：Show the objectives with PPT
Step 3.Warming up
图片导入：提问？Fang Zuming looks like his father—Cheng Long. Do you know why? The two girls look the same . why?并问：激发学生浓厚的兴趣，自然而然地引出课题： Because of DNA.
板书：Lesson 29：DNA—The Story of You.
Step 4. Reading the new words and learn the new words
DNA 脱氧核糖核酸
blueprint /'blu?print/ n.蓝图
general / 'd?en?r?l / adj. 一般的；普遍的
complex / ?k?mpleks / adj.复杂的
twin / twin / n. 双胞胎
repeat / r?'pi?t / v. 重复
pattern / 'p?t?n / n. 模式
identify / ai'dentifa? / v. 鉴别；确认
grandson / 'gr?ns?n / n. (外)孙
granddaughter / 'gr?nd??t? / n. (外)孙女
instruction / in'str?k?n / n. 说明
related / ri'leitid / adj. 有关的
设计意图：检查课前预习的单词情况。
Step 5. Practicing
I. 根据句意及所给汉语提示写出单词。
1. She (认出) that the man was her uncle.
2. The engineer drew a (蓝图) to build the road.
3. The two boys are (双胞胎). They look the same.
4. Read the ___________ (说明) first before you use the machine.