外研版 (2019)选择性必修 第四册Unit 5 Into the unknown精品复习ppt课件

这是一份外研版 (2019)选择性必修 第四册Unit 5 Into the unknown精品复习ppt课件，共26页。PPT课件主要包含了 tropic，expand ， notably， drill， civilize， explore ，create，erupt等内容，欢迎下载使用。

本课件主要内容安排
课件内容1. 单元构词扩展词汇2. 单元核心词汇讲解3. 单元专题语法讲解4. 单元重点句型讲解
investigate
equivently
✭词汇一 dismiss v. 拒绝考虑，否定，开除
◆ 教材原句 Althugh his thery has been dismissed by schlers, it shws hw pwerful f Ancient civilizatin are. 尽管他的理论已经被斯科尔斯所否定，但它表明了古代文明是多么强大。 ◆ 要点必记 dismiss ... as... 因认为...而不予考虑 dismiss sth frm sth 不再考虑，消除，摒弃 dismiss sb frm (ne’s pst) 解雇，免职，开除 dismiss sb fr sth 因为某事解雇某人
1. The man in black laughed and dismissed my prpsal __________ unrealistic. 2. The senir student tried his best dismiss the disturbing prblem __________ his mind as sn as pssible. 3. The female emplyee claimed she ___________________ (dismiss) her pst in an unfair way. 4. After _____________(dismiss) her fears, she bravely climbed higher.5. Nw it’s 5:00 pm. It’s high time that all the pupils __________________ (dismiss).
was dismissed
shuld be dismissd
✭词汇二 abandn v. 遗弃，中止，逃离
◆ 教材原句 But the greatest mystery f all is what caused the Maya t abandn mst f their great cities. ◆ 要点必记 abandned adj. 被遗弃的，被抛弃的 abandn neself t... 沉湎于... abandn sb t sb/sth 把...丢弃给... an abandned huse 废弃的房子
1. The study shwed a deep fear amng the elderly f being abandned _______ the care f strangers.2. They abandn themselves t ____________ (drink) alchl. 3. The child was fund _______________ (abandn) but unharmed. 4. They were sinking fast, and the captian gave the rder _____________ (abandn) the ship at nce. 5. The prject had t __________________ (abandn) due t a lack f gvernment funding.
be abandned
✭词汇三 expansin n. 扩大，增加
◆ 教材原句 with huge expansin f the ppulatin 随着人口的急剧增长。◆ 要点必记 expand v. 扩大，增加；详述 expand int... 将...扩充成... expand t ... 扩充到... expand n... 详述 an expansin (...)的扩展部分
1. The cmpany is frging ahead with its plans fr ____________ (expand).2. At present, there are n plans _____________ (expand) the lcal airprt. 3. The president used tday's speech t expand _________ remarks he made last mnth.4. Transprt netwrks need ________________ (expand) t remte rural areas.5. The directr plans t expand the firm _________ an internatinal cmpany.
t be expanded
✭词汇四 retreat v. 后退，离开，退避
◆ 教材原句 Instead f retreating t their caves, sme f ur ancestrs chse t subdue their fears and pursue the unknwn. 我们的一些祖先没有退缩到洞穴里，而是选择了征服恐惧，追求未知。◆ 要点必记 retreat n. 隐居处，修养处 retreat frm... 避开， 放弃 retreat t... 撤退到... retreated back dwn... 从...撤回
1. The new driver culd nt retreat ________ his respnsibility in this accident. 2. They say they will stay t rebuild their hmes rather than retreat ______ refugee camps.3. The area is rural with a lng histry as _______ retreat fr city dwellers(居民). 4. The president's remarks appear t signal that there will be n retreat frm his psitin. (英译汉) ______________________________________
总统的话似乎暗示他不会放弃自己的职位。
✭词汇五 investigatin n. 调查，调查研究
◆ 教材原句 Talk abut the investigatins int anther scientific mystery. 谈谈对另一个科学谜团的调查研究。 ◆ 要点必记 investigate v. 调查，研究 investigate int sth 对...进行调查 under investigatin 在调查研究中 make an investigatin
1. The _______________(investigate) was carried ut under the directin f a senir plice fficer.2. I hpe yu can make an investigatin________this matter as sn as pssible.3. Mre serius leaks, invlving natinal security, are likely t _________________ (investigate) by the plice.4. Up t date, all the patients __________ investigatin have received treatment with this drug.
investigatin
be investiaged
✭词汇六 equivalent adj. 等同的，等值的
◆教材原句 The pressure is equivalent t 50 aerplanes stacked ne n tp f anther. 其压力相当于50架飞机叠在一起。◆要点必记 equivalently adv. 等价地，同等地 be equivalent 同等于，相当于 be equivalent t ding sth 同等于，相当于 equivalent length/ depth/ 同等长度，同等深度
1. Changing her jb like that is equivalent t __________ (give) her a gd chance.2. These are nt similar r equivalent __________ what happens when man ages.3. Please use this way if yu really want t deal with such exceptin types ______________ (equivalent).4. The helmets are designed t withstand impacts equivalent t a fall frm a bicycle. (英译汉) ____________________________________________
头盔设计成能承受相当于从自行车上摔下来的力度。
equivalently
单元语法 复习名词性从句
一. 名词性从句的类型以及语用功能
二.名词性从句的引导词
1. 连词that：本身无意义。引导单一的宾语从句时that常可省略，但引导主语从句、表语从句、同位语从句时that通常不被省略。2. whether,if ：本身有意义"是否"，表从句内容不确定性；as if =as thugh：表示"好像/似乎"，以上在从句中均不充当任何成分。 3. 连接代词10个: what/whatever, wh/whever, whm/whmever, whse/whsever, which/whichever;4. 连接副词8个:when/whenever, where/wherever, hw/hwever, why,because.
理解应用
1.___________ the cllege will take in mre new students this year is true. 2. We tk it fr granted __________ they wuld accept the prpsal. 3. The dubt is __________ she shuld have a lw pinin f the test. 4. I am ging t express ___________ cmes int my mind. 5. T practice as much as pssible is ____________ the secret lies. 6. In such a case, I will insist n ___________ I bebieve is ture. 7. ____________ breaks the rules will be punished fr sure.
1. This is likely t have led t a series f drught, each lasting fr a cuple f years. [句式分析] “each lasting fr a cuple f years”是由“代词+ 现在分词”构成的 独立主格 结构。 其中动词last 与逻辑主语each 构成 主动 语态关系，故使用 现在 分词。 [尝试翻译] 这可能导致了一系列的旱灾，每一次旱灾持续几年时间。
1. S many students _________ (be) absent, the meeting had t be put ff.2. The by lay n his back, his hands ____________ (crss) under his head.3. These are the first tw bks， the third ne _______________ (cme) ut next mnth.4. Her shirt ___________ (catch) n a nail, she culd nt mve.5. The man in truble lay there, his hands _____________ (tremble).6. He suggested ging fr a picnic, Mary ____________(prvide) the fd.
2. Meanwhile, the rise and fall f this civilizatin must als leaves us thinking abut ur wn past, present and future. [句式分析] “leave + 宾语+ 宾语补足语”表示“ 使处于某种状态 ”，宾语补足语可以是现在分词、过去分词、不定式、形容词、名词或小品词（n/ff; up/ dwn; away/ in/ut）。 [尝试翻译]与此同时，这种文明的兴衰也必然让我们思考自己的过去、现在以及未来。
1. The yung fellw left business _________ a new jb as a schlteacher. 2. The by gt up and walked away, leaving his father __________ (sit) n their cmfrtable sfa, ttally speechless. 3. The fact is that a balanced diet can keep us ____________ (energy). 4. We must leave the children ___________ (settle) their affairs themselves.5. Did yu leave the drs and windws _____________ (fasten)?
3. Amng these is Esmeralda, the earliest wreck frm the age f the Eurpean explratin f Asia. [句式分析] 本句使用了 全倒装 句式。Esmeralda为主句，the earliest wreck frm the age f the Eurpean explratin f Asia作主语的 同位语 。 [尝试翻译] 埃斯梅拉达号就在其中，它是欧洲探索亚洲时期最早的沉船。
1. Dwn came the rain and up __________ (g) the umbrellas.2. T be carefully cnsidered right nw _______ (be) the fllwing questins.3. By the windw _________ (sit) a yung man with a magazine in his hand. 4. ___________ (stand) beside the table was his wife.5. ___________ (bury) in the sands was an ancient village. 6. It’s 11:45 am nw. Listen! There _________ (g) the bell.