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resist available analysis regulate identical fundamental optional
2．（be）identical to rely on on the contrary be against/for in other words by mistake at least
3. There are at least two teams of scientists which are trying to clone humans.
能力目标
 1．掌握本课出现的生词短语。
2．理解课文意思，完成相关练习。
情感态度与价值观
 1．了解克隆的相关知识。
2．学会正确的价值观。


【课程导学建议】导学规范化
[重点难点]
1. resist available analysis regulate identical fundamental optional
2．（be）identical to rely on on the contrary be against/for in other words by mistake at least
3. There are at least two teams of scientists which are trying to clone humans.
[教学指导]
要帮助学生理解课文意思，练习阅读的速度和做题的准确度及规范性，同时应帮助学生精读课文，注意和掌握重点单词短语和句型，并进一步提高学生的情感意识和价值观。
【自主预习】不看不讲
【知识体系图解】

重点
词汇
 1. ____抵抗; 2. ____可利用的，适合的; 3. ____分析，分解;4. ____约束，控制;5. ____完全相同的，同一的;6. _____基本的，重要的7._____可选择的;
重点
短语
 1.（be）identical ___和……一样，与……一致 ；2. rely _____依赖，依靠；3. ___ the contrary 相反； 4.be ____/_____反对/赞同； 5. ___ other words换句话说；6.____mistake 错误地 7. _____ least 至少
重点
句型
 1. It’s true that in 1953, two scientists discovered the structure of the acid DNA.
2. There are at least two teams of scientists which are trying to clone humans.

自我校对
重点单词： 1. resist 2.available 3.analysis 4.regulate 5.identical 6.fundamental 7.optional
重点短语：1. to2. on 3.on 4. against/for 5. in 6. by 7.at
【课堂预习交流】知识问题化
1. Can you find some words with the similar meaning to “cloned animal”?
答案 product/identical copy/organism
2. Can you find several verbs showing the procedure to use enzymes?
答案 to unzip → to cut out → to insert → to combine
判断正误
3. Stem cells can be used to develop into enzymes. (F)
4. Clones of exceptional human beings may have different characteristics from the original. (T)
5. If we can be sure that the embryo will not be wasted, cloning to obtain stem cells would be acceptable to many people. (T)

【课堂预习导学】问题层次化
“阅读”(Reading)部分介绍了克隆技术。通过阅读课文，结合预习导学中的练习题，让学生了解克隆技术，提高阅读能力，学习相关词汇。练习由对课文的初步了解，过渡到挖掘文章细节，最后掌握全文大意，使学生循序渐进地进行课文的有效学习。



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