人教高中英语必修4unit2 using language(共21张ppt)
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选择性必修四Unit2 Using Language 单词拓展1.sum up 总结;概括to sum up 总之(做状语)2.with的复合结构with+宾语+adj./adv/介词短语(表示状态)with+宾语+现在分词(表示主动或进行)with+宾语+过去分词(表示被动或完成)with+宾语+动词不定式(表示未做)3.distribution (n).分布;分配;分发geographical distribution 地域分布fair distribution 公平分配food distribution食品分配the distribution of sth.分配某物make the distribution (=distribute) 分发distribute (vt).使分布,分散;分配;分发distribute sth. to/among……把某物分配/分发给……搭配distribute sth. into……将某物分成distributor (n) 经销商;分销商distributive (adj) 经销的;分销的4.phase (n) 阶段;时期the initial/final phase of the project工程的初始/最后阶段a critical/decisive phase 关键性/决定性阶段phase (vt).分阶段进行;逐步做phase in 逐步采用;逐步引入phase out 逐步淘汰;逐步废除5.部分否定的常见用法:①all 的否定式: not all../all….not并非都……,不是所有的都……Eg:Not all bamboo grows tall.并非所有的竹子都会长得很高。
②both的否定式: not...both/both...not并非两个……都……Eg:I don't want both the books.我不是两本书都要。
③every修饰并构成的复合不定代词的否定式:不是每……都……Eg:This flower is not seen everywhere.这花并不是随处可见的。
Unit 2Working the landUsing LanguageⅠ.用本单元适当的单词补全短语1.confuse the students使学生迷惑2.have no regret没有遗憾3.chemical change 化学变化4.at each stage of production在生产的每个阶段5.make an important discovery有重大发现6.keep the soil dry 保持土壤干燥7.reduce pollution and waste 减少污染和浪费8.underline the topic sentence 画底线标出主题句9. skim the passage 略读课文10.make a comment发表评论11.the root of the problem 问题的根源Ⅱ.根据语境用适当的词补全句子1.In addition to my studies, I got involved in lots of social activities.2.His confidence built up gradually as he gained more and more experience in teaching.3.You’d better turn to your teachers and classmates for help when meeting with any difficulties in study.4.As we all know,success lies in hard work while laziness leads to failure.5.Although he tried to focus on his reading in the study, now and then his attentionwas attracted by the loud music outside.6.The teacher often makes comments on/about how different the two boys are.7.I hope you will keep yourself free from/of tobacco and alcohol.8.We must keep in mind that pride goes before a fall.9.It was foggy, so the driver had to reduce speed to forty kilometres an hour.10.In the supermarket the foreign names of the products got mixed up and I was confused about what to buy.Ⅲ.根据课文及汉语提示补全句子1.Recently, however, scientists have been finding (已经发现)that long-term use of these fertilizers can cause damage to the land and, even more dangerous, to people’s health.2.In addition, fruit, vegetables and other food grown with chemical fertilizers usually grow too fast to be full of much nutrition(生长得过快而营养不足).3.Crops such as peas or soybeans put important minerals back into the soil, making it ready for crops such as wheat or corn that need rich and fertile soil(从而使之适宜于种植要求土壤肥沃的农作物,比如小麦或玉米).4.They feel that this makes the soil in their fields richer in(更富含)minerals and so more fertile(更肥沃).Task 1框架宏观建构:整体理解Task 2文本微观剖析: 细节探究1.根据文章细节信息完成下列问题。