Unit 6Understanding ideas 知识点（ppt课件） -2022新外研版（2019）《高中英语》必修第三册.pptx

1、词性转换词性转换 nature n.自然natural adj.自然的naturally adv.自然地 occur v.发生occurred 发生（过去式）occurrence n.发生 react v.作出反应reaction n.反应 erupt v.(火山)爆发eruption n.爆发 expect v.期待 expectation n.期待 immediate adj.立刻的 immediately adv.即刻，马上 definite adj.肯定的 definitely adv.肯定announcement n.通告，公告通告，公告 announce vt.宣布；宣告；公布；通

2、知；声称 make an announcement 发表宣告 announce that.宣布*She was planning to announce her engagement to Peter.*It was announced that new rules would be introduced.awful adj 糟糕的sick adj 恶心的scared adj 感到害怕的react to（介词）after all make it 成功whats morebe expected todisastertypicaloccurpick upcompared to.与.相比look t

3、hroughreact to（介词）after all make it 成功whats morebe expected todisastertypicaloccurpick upcompared to.与.相比look throughdisasterindustrial disasterflood disasterenvironmental disaster earthquake wildfire Drought flood Typhoon tornado龙卷风 tsunami海啸 landslide山崩，滑坡typical adj.典型的，有代表性的典型的，有代表性的be typical o

4、f 有.的特点，典型的A typical American girlSince Im here,Id like to try a typical dish of this country.It is typical of our teachers to teach very fast.This poem is typical of the romantic period.这首诗具有浪漫主义时期的特点。occur v.出现，发生出现，发生occur to sb.（主意或想法突然）浮现于脑中*Experts say this bad weather has occurred due to clim

5、ate change.*It occurred to him that he had left his key in the office.他想到.happen,occurhappen 表示“发生”时，强调事件发生的偶然性，其主语为事物occur表示“发生”时，属较正式用语，常以具体的事件、事物为主语，此时与happen可互换。表示“在脑海中出现某种想法”时，要用occur,而不用happen。react to（介词）after all make it 成功whats morebe expected topick upcompared to.与.相比look through pick up捡起

6、；接人；学会捡起；接人；学会；接收（电话）；整理；接收（电话）；整理He pick his daughter up and put her on his shoulder.Just I picked up the phone,it stopped pare to “把比作”“比喻为”，指出两者之间的关系或相似。pare with“把和相比”，“比较”，比得上指研究评判人与人之间、事物与事物之间相同或相异的程度。He compared his camera with mine.Compared with silk,cotton is cheap.We often compare a teache

7、r to a candle look through 浏览；浏览；透过透过看看If you look through this window you can see the moon.Ive looked through all my bags but I still cant find the book.I usually look through newspapers after supper.look after 照顾，照料照顾，照料look out 小心，当心小心，当心look up 查找查找(字典字典)react to（介词）after all make it 成功whats mor

8、ebe expected towhats more=in addition=most importantly此外此外,而且而且;更重要地更重要地react to对.作出回应1.How did your mother react to the news?2.How did he react to your suggestion?Looking through my newspaper,Im shocked by photos showing that.Stepping out of the station with a heavy heart,I suddenly feel a fresh wind on my face.They walked along the street,singing and laughing.1.分词做状语，逻辑主语通常是全句主语.2.分词做状语，可表示时间、条件、原因、结果、伴随、让步等.