人教版必修四Unit2VocabularyExpansion课件

Part 2 Vocabulary Expansion ［熟读深思］阅读下列句子，归纳search 的词性和意义。 ⑴ Dr. Yuan searched for a way to increase rice harvests without expanding the area of the fields.(P10 L16) (词性 ____； 意义 ____ )搜寻 vi. 1. search for 寻找（try to find） ⑵They searched every room for the missing child. (词性 ___； 意义 __________________ ) ⑶ They have set off in search of the missing child. (词性 ___； 意义 ________)搜查/寻 vt. 搜查某物以寻找…… n. ［归纳总结］ search sb./sp. for(为找到……)对某 人/某处进行搜查 in search of 搜查/寻（=looking for） ⑴ The policeman ________the thief to see what he had in his pockets. ［灵活运用］用for, search或search for填空。 searched ⑵ He ____________ work at various stores. ⑶ I searched _____ everywhere the book. searched for for ［熟读深思］阅读下列句子，指出划线词 的词性和意义。 ⑴ Dr. Yuan is quite satisfied with his life. (P10 L25) (词性 ____； 意义 __________ ) ⑵ The child’s reading ability is satisfying for his age level. (词性 ____； 意义 _____) 令人满意的 adj. 感到满意的 adj. 2. satisfy vt. 使满意；使满足 ⑶ What you said is far from satisfactory. (词性 ____； 意义 ___________ ) ⑷ He promised to satisfy my needs. (词性 ____； 意义 ___________ ) ⑸ To my satisfaction, he passed the exam. (词性 ____； 意义 ____________ ) adj. 令人满意的 vt. 满足；满意 n. 满意 satisfied adj. 感到满意的 satisfying adj. 令人满意的 satisfactory adj.令人满意的(=acceptable) satisfaction n. 满意；满足 be satisfied with/be content with/be pleased with对……满意 satisfy one’s needs 满足某人的需要 to one’s satisfaction使某人满意的是 ［归纳总结］ ⑴ He came in running with a ________ smile on his face. ⑵ To my _________, he has done the job very well. ⑶ His answer was so _________that all the people present gave him a big hand. ［灵活运用］用satisfy的正确形式填空。 satisfying satisfied satisfaction ［熟读深思］ 阅读下列句子，体会would rather的用法。 ⑴ He would much rather keep time for his hobbies. (P10 L26) (宁愿做……____________________)would rather do sth. 3. would rather 宁愿 ⑵ I would rather watch TV at home than go to the cinema. (宁可……也不要……： _____________________________) ⑶ I’d rather you met her at the airport tomorrow morning. (would rather+从句: 意义_____________ , 从句中谓语动词用______语气)虚拟 would rather do sth. than do sth. 宁可…也不要… would rather do sth宁愿做某事 would rather do A than do B宁愿做A事 而不愿做B事 would rather that sb did sth宁愿某人做 某事 ［归纳总结］ ⑴ She would rather ____________ (留在家 里). ⑵ I would rather _____________ (死也不 愿意去偷). ⑶ I would rather she ___ (set) out to do the work now. ［灵活运用］根据汉语提示完成句子。 set stay at home die than steal ［熟读深思］阅读下列句子，归纳equip 短语的意义。 ⑴ He therefore gives millions of yuan to equip others for their research in agriculture.(P10 L30) (equip … for …：__________________)为……装备 4. equip v. 装备; 训练; 配备 ⑵ There is not enough money to equip the teachers with the latest computers. (equip …with …：______________ ) ⑶ Our school is well equipped. (be well equipped：_____________ ) 用……装备 设备齐全 equip …with …用……装备 be equipped with用……装备 well / fully equipped设备齐全 equipment n. 设备（不可数名词） ［归纳总结］ ⑴ He is taking care of _____________ (所 有的设备)there. ⑵ It was a modern，bright，_________ _________ (设备精良的)hospital. ［灵活运用］根据汉语提示完成句子。 all equipment equipped well/fully ⑴ Dr. Yuan awoke from his dream with the hope of producing a kind of rice that could feed more people. (P10 L33) ( ______________ ) ⑵ The professor repeated in the hope of making himself understood. (______________ ) ［熟读深思］归纳hope短语的意义。 希望做…… 带着……的希望 5. with the hope of 带着……的希望 ［归纳总结］ in the hope of = in hopes of 希望 做…… hope for 希望有…… He went abroad _______________ (带着……的希望) having a more comfortable life. ［灵活运用］根据汉语提示完成句子。 with the hope of ⑴ It is important to explain this again or we will confuse the students.(P13) (词性____； 意义____________ ) ⑵ The instructions were so confusing that I couldn’t understand them. (词性____； 意义____________ ) ［熟读深思］指出划线单词的词性和意义。 vt. 使迷惑，困惑 adj. 令人迷惑的 6. confuse vt. 使迷惑/困惑 ⑶ The little girl was very confused by all the noise and activity. (词性 ____； 意义 ____________ ) ⑷ There was some confusion as to whether we had won or lost. (词性 ____； 意义 ____________ ) adj. 感到迷惑的 n. 迷惑，困惑 confused adj. 困惑的 confusing adj. 令人困惑的 confusion n. 迷惑，困惑 confuse A with/and B把A混为B ［归纳总结］ ⑴ He was depressed（沮丧的） and in a ________ state of mind. ⑵ The instructions on the box are very ________. ［灵活运用］用confuse的正确形式填空。 confusing confused ⑶ There is some _________about what the correct procedure should be. ⑷ People often _______ me and my twin sister. confuse confusion ［熟读深思］说出下列句中led to的意思。 Many of these chemicals can lead to cancer or other illnesses. (P14) ( _____ )导致 7. lead to(=result in; cause)造成；导 致(to为介词) lead sb. to do sth. 导致某人做某事 lead a simple/hard life 过着简朴/艰苦的 生活 take the lead 领先； 带头 ［归纳总结］ led to ［灵活运用］根据汉语提示完成句子。 He is too easily ______ (受人左右). ⑴ They focus on keeping their soil rich and free of disease. (P14) (词性____； 意义 _____________ ) ［熟读深思］阅读下列句子，归纳 focus的词性、意义。 集中(注意力)于 vi. 8. focus v. 集中 n. 焦点；中心 ⑵ Focus your attention on your work. (词性 ____； 意义 ___________) ⑶ He took out the digital camera and adjusted the focus. (词性 ____； 意义 ___________) vt. 集中 n. 焦点 focus on 集中(注意力)于；调节 (焦距)至 focus/fix/concentrate one’s attention/mind on 把注意力集中 在……上面 ［归纳总结］ ⑴ As a student, you should ____________ ____________ (集中精力于)your study. ⑵ You should ignore what is happening outside and ___________________(集中精 力答试卷). ［灵活运用］根据汉语提示完成句子。 focus on your paper focus your attention on ［熟读深思］ ⑴ A healthy soil reduces disease and helps crops grow strong and healthy. ( _____ ) ⑵ The workforce will be reduced by around 30 percent. (reduce …by … _____________)减少了…… 减少 9. reduce vt. 减少；减缩(make sth. less or smaller) ⑶ It has reduced its size from about 135, 000 employees to 75, 000. (reduce …to … ___________)减少到…… reduce …by … 减少了…… reduce …to … 减少到…… ［归纳总结］ ［灵活运用］根据汉语提示完成句子。 She reduced her weight ____5 kilograms. 她的体重减轻了5千克。 by ⑴ They often change the kind of crop in each field every few years …( __________ ) ⑵ He went home every other day. ( _________________ ) ⑶ There is a milestone every three kilometers. ( ___________ ) ［熟读深思］指出下列句中，画线部分的意义。 每三公里 每隔几年 每两天；每隔一天 10. every few years每隔几年 every+基数词+复数名词：每…; 每隔… every+序数词+单数名词：每…… every + other+单数可数名词：每隔一… every + few+复数名词：每隔几…… ［归纳总结］ ⑴ 每十年 _________________ ⑵ 每隔五天_________________ ⑶ Buses come _________________(每10分钟). ⑷ The Olympic Games are held ____________ (每4年). ［灵活运用］翻译短语或完成句子。 every four years every ten years every six days/every sixth day every ten minutes