高中英语人教版 (2019)选择性必修 第二册Unit 1 Science and Scientists图片课件ppt

这是一份高中英语人教版 (2019)选择性必修 第二册Unit 1 Science and Scientists图片课件ppt，共33页。PPT课件主要包含了演员阵容，给蒙上一层阴影，在的阴影下，vt 倒注灌， shift 等内容，欢迎下载使用。
1. severe adj.极为恶劣的;严厉的;苛刻的
be severe n/with 对……严厉 be severe with neself 严于律己 severely adv. 很严重地; 极为恶劣地
eg. His injuries are severe. severe weather cnditins The curts are becming mre severe n yung ffenders. She was a severe wman wh seldm smiled.
2. cntradictry adj.互相矛盾的；互相对立的
be cntradictry t… 与……矛盾、相反 eg. His remark was cntradictry t the truth. cntradict v. 反驳; 与……相矛盾 cntradictin n. 抵触; 矛盾; 矛盾的说法
3. infect v. 传染; 使感染, 使感染(某种感情); 影响
be infected with 感染上……, 传染上…… infectin n. 感染; 传染 infectius adj. 传染性的
1. Peple with the virus may feel perfectly well, but they can still infect thers.2. Lucy’s enthusiasm sn infected the rest f the class.
4. subscribe v.定期订购，定期缴纳(会费) ; 定期捐款赞助
subscribe t 同意, 赞成 e.g. I have never subscribed t the view that schldays are the happiest days f yur life. subscriber  n. 订阅人；定期捐款者；消费者 subscriptin  n. 订阅；订阅费；定期捐款
Each emplyee may subscribe fr up t￡2,000 wrth f shares. Yu can subscribe t the magazine fr as little as $32 a year. She subscribes t an envirnmental actin grup.
5. suspect v. 疑有, 怀疑 n.嫌疑犯; 嫌疑分子; 可疑对象
suspect sth. suspect sb. f ding sth. suspect sb. t d sth. suspect + that从句
1. I have n reasn t suspect her hnesty. 2. Pilcher is suspected f giving false infrmatin. 3. Wh will suspect him t have brken the windw? 4. I began t suspect that they were trying t get rid f me. 5. He is the prime suspect in the case.
6. blame v.责备; 指责; 把……归咎于n.责任; 责备; 指责
4. The plice laid / put the blame fr the accident n the driver.5. The cmpany is ready t bear / take / accept / get the blame fr what has happened.
1. Marie still blames herself fr Patrick's death.2. Yu can't blame all yur prblems n yur family.3. Officials believe that mre than ne persn may be t blame fr the fire.
7.handle n.把手, 柄 v.处理, 应付(局势、人、工作或感情) 触, 拿, 搬动 控制, 操纵(车辆、动物、工具等)
turn the handle the handle f a knifeget / have a handle n 弄懂，理解，搞明白
1. She's very gd at handling her patients.2. The label n the bx said: ‘Fragile. Handle with care.’3. I wasn't sure if I culd handle such a pwerful car.4. It’s difficult t get / have a handle n hw widespread this prblem is.
8. link n.联系; 关系; 纽带 v. 把……连接起来, 联系; 相关联
1. We first cut the link between the tw cities. 2. Is there a link between smking and the disease? 3. This cmpany has strng trade links with Justin’s cmpany. 4. The new bridge will link the island t the mainland. 5. I have heard his name linked with that f a well-knwn persn.
9. decrease v.(使)变小, (使)减少 n.减少; 减少的量
decrease (frm…) t… 减少到……decrease by … 减少了……(表示减少的量)decease in … 在……方面减少a decrease in… ……的减少n the decrease 在减少
1. Average huse prices decreased by 13% last year.2. This species f bird is decreasing in numbers every year.
thanks t, wing t, due t, because f
10. transfrm v.使改观, 使变形, 使转化
transfrm … (frm…) int … 把……变成…… transfrm … with … 用……来改变……
transfrmatin  n.  改变、转化(不可数); 具体变化(可数)transfrmable  adj. 可变形的；可变化的transfrmer  n.  促使改变的人或物；变压器
1. This equipment can transfrm light int energy. 2. We can transfrm the wrld with ur knwledge.
11. cast vt.投射;向……投以(视线、笑容等);投掷
cast light n 使……清楚;使人了解cast dubt n 质疑;引起对……的怀疑cast a shadw ver 给……投下阴影
cast a shadw n the wall He cast a lk at the wman.
1. Again she cast a lk tward the windw.2. The play is being cast in bth the US and Britain. 3. The site where Zhang Xianzhng cast lumps（块）f pure silver is being dug. 4. T qualify, candidates must get at least 10% f the vtes cast.
12. shadw n.[C] 影子；阴影；坏影响： [U]［也可用复数］背光处；阴暗处 ：
shadw playeg. Her father’s illness cast a shadw ver / n the wedding celebratins.
Smetimes she sits alne in the shadw(s).
shade vs shadw
 shade指阳光照不到的地方，如树下或墙边的阴凉处，一般没有具体的轮廓。 Let’s sit in the shade f the tree fr a while.  shadw指某物遮住阳光或其他光源后形成的影子，可以引申为“不良的兆头或阴影”，也可指黑暗的地方。 My friend jumped ut f the shadws and tapped n my shulders.
1. The children were having fun, chasing each ther’s shadws. 2. He didn’t want t cast a shadw n their happiness 3. I thught I saw a figure standing in the shadws. 4. Kate grew up in the shadw f her film star sister.
pur v Please pur me anther cup f tea.She pured sme milk int a glass.Tears f happiness pured dwn Susan’s cheeks. Black smke pured frm the back f my car.Peple pured int the square frm all parts f the city.Letters and pstcards pured in every day. It never rains but it purs.
vi（水等）不断流出；（烟等）被吐出 ：
vi 不断涌向 / 涌现 (fld)：
vi（雨）倾盆而下：
13. break ut (战争、打斗等不快的事情)突然开始;爆发
【词汇拓展】break dwn出故障;失败;垮掉;分解break in破门而入;打断(谈话等)break int强行闯入;突然……起来break away frm脱离;挣脱break up打碎;分裂;解体break thrugh突破They were discussing smething imprtant when a man brke in.Scientists hpe t break thrugh sn in their fight against heart disease.
14. defend vt.保卫;防御
【词汇拓展】(1)保护…免受;防御defend neself为自己辩护;自卫(2)defence n.防御;保卫in defence f为了保卫;为……辩护1. Gd defends me frm my friends;frm my enemy I can defend myself.2. Students shuld be trained t defend themselves against/frm sme attacks.
defend, guard, prtect 辨析
① 三者都含有“保护”之意。
defend 指“保卫”“防御”，指抵御或击退外来的攻击。When the dg attacked me, I defended myself with a stick. guard 指“守护”“看守”，指保持警惕或注意来防止危险发生。The dg was guarding its wner’s luggage.prtect 语义范围广，指“保护”，以免遭受危险、伤害等。We’re ding whatever we can t prtect ur envirnment frm pllutin.
② 在体育运动中，defend 和 guard 均指“防守”。
15. in charge f 主管;掌管
【词汇拓展】(1)take charge f掌管/负责……in the charge f受……的管理;由……负责(2)free f charge=fr free 免费(3)charge sb fr sth为某物向某人收取费用charge sb with (ding) sth控告某人(做)某事Dr.Smith is assigned t take charge f the department.Will yu please tell me whether yu charge fr cheques?【温馨提示】in charge f多以人作主语,指“某人负责/主管某事”;in the charge f 多以物作主语,指“某物由某人掌管”。类似的还有:in pssessin f,in the pssessin f;in cntrl f,in the cntrl f。
16. gifted adj.有天赋的;有天才的;天资聪慧的
1. He is ne f the mst gifted players in the wrld.2. Brwn was witty,amusing and gifted with a sharp business brain.【词汇拓展】gift n.礼物;天赋have a gift fr有……的天赋eg. Many f them have a gift fr dancing with animals.
17. cme dwn with患(病);染上(小病)
【词汇拓展】cme acrss偶然遇到cme abut发生cme t恢复常态;共计;达到(某种状况)cme up with提出(主语是人)cme up提出(主语是建议等)I came acrss my frmer English teacher in the street yesterday.The headmaster wants t knw hw the accident came abut.
18. abve all 最重要的是;尤其
【词汇拓展】after all毕竟;终究all in all整体说来;总而言之in all全部;合计at all (否定句)一点也不;(疑问句)到底;究竟1. Hw many students are there in yur schl in all?2. He is nt cncerned with the difficulties f the factry at all.3. He is hardwrking,cheerful,and abve all hnest.4. Old Mr Smith was belved by all,and abve all by the children.
19. fault n.[U]责任；过失；过错 [C] 缺点；缺陷；故障
find fault (with) 找茬儿；抱怨；挑剔：
► faultless adj 无错误的；完美无缺的 (perfect)► faulty adj 有错误的；有缺陷的
不要纠缠于谁对谁错，重要的是要找到解决的办法。 ——亨利•福特
1. I’m really srry — it’s all my wn fault. 2. It’s his fault that we were late.3. Everybdy has his faults. 4. The sweater had a fault in it and I had t take it back.
1. He has many faults, but dishnesty isn’t ne f them. 2. There is a fault in the electrical system. 3. She believes it was the dctr’s fault that the patient died.
fault, errr, mistake 辨析
fault 指对“过失、过错”应负的责任，强调“过”。• It’s my fault that we missed the bus. mistake 在日常英语中用得最为广泛，指用词或数字上的错误、口误、笔误，也可指决定错误，强调“误”。• I’m nt blaming yu — we all make mistakes. • I picked up yur bag by mistake. errr 与 mistake 意义相近，但较为正式。• There must be an errr in ur calculatins. • The letter was sent t yu in errr.
1. Within fur hurs f my first shift, I had angry custmers wh cmplained hw slw I was.2. The 21st century has been seeing a gradual shift f peple frm the cuntry t the twn.3. Yu must press the shift key befre entering each letter. 4. Smene has shifted my bicycle and I can’t find it.5. Nwadays the pririty fr travelling is shifted frm shpping t fd and scenery.6. Public attitudes twards the Internet have shifted ver the past 50 years.