河北省唐山市开滦第二中学高中英语 Unit2 Cloning 第 1 课时导学案 新人教版选修 8【学习目标】Enable the students to master some key words and expressions.【重点难点】differ; undertake; pay off; cast down; object; obtain; forbid【学习内容】1.differ v. 不同；相异；使…..不同【归纳拓展】differs from (= be different from) 与…不同differ in 在…..方面不同differs with B about/on/over... 与…..就…..意见相左make a/ no difference to 对..有/无关系（影响）tell the difference between … and…..分清Their house differs from mine in having no garage. 他们的房子与我的不同，区别在于他们的没有车库。The two sides still differ with each other over the question of pay.双方在报酬的问题上仍各持己见。 【即学即用】用适当的介词填空 1) The two squares differ colour but not size. 2) The husband differs the wife who is to take charge of the money.3) It doesn’t make a difference me whether you are going to stay.4) This is a different car the one I drove yesterday.2. exact adj 准确的；确切的Tell us the exact time of the train to Beijing.告诉我们到北京的确切时间Watchmaking is an exact skill.钟表制造是一项精密技术。【归纳拓展】to be exact 确切地说 e exactly speaking 严格地说【即学即用】1）It happened late last century in 1895, _______ _______ _________.2)The ________ date of the event has escaped me.3. undertake vt.（undertook; undertaken）着手;从事;承担；保证，答应【归纳拓展】undertake sth. 着手/从事/承担某事undertake to do sth. 保证/答应做某事undertake that ...保证undertake ...for 为… 负责I can undertake the responsibility for the changes.1我愿意承担这些变革的责任。The lawyer undertook a new case.那个律师接了一个新的案子。He undertook to finish the job by Friday.他答应星期五之前完成这项工作。【即学即用】翻译句子 1）他下个月要去西部旅行。___________________________________________________.2）我不能保证按时做完...
