外研版 (2019)必修 第二册Unit 6 Earth first教学演示ppt课件

这是一份外研版 (2019)必修 第二册Unit 6 Earth first教学演示ppt课件，共31页。PPT课件主要包含了完成课后相关练习等内容，欢迎下载使用。
Using language
a We see a wman swimming at night in a dark sea.b It made peple frightened f sharks, ...
-ing and -ed as cmplement
Lk at the sentences frm the reading passage and answer the questins.
1 In sentence（a），wh is swimming at night?2 In sentence（b），wh is frightened f sharks?3 Why des the authr chse t use different frms f verbs in the tw sentences?
In sentence(a), a wman is swimming at night.
In sentence(b), peple are frightened f sharks.
In sentence(a), a wman is swimming. In ther wrds, the wman des the actin f swimming. S the authr uses -ing. But in sentence(b), peple are frightened. S the authr uses -ed.
现在分词作宾语补足语现在分词作宾语补足语时，宾语与宾补是主动关系。其主要用于以下两类动词后作宾语补足语：（1）位于感官动词后，如 see，watch，hear，feel，smell，find，listen t，lk at，ntice，bserve 等。注意：感官动词 see，watch，hear，bserve ，ntice等后跟 ding 作宾补时，表示动作正在进行；后跟 d 作宾补时，表示动作的全过程。As I gt clser，I saw him kicking his legs in the air and breathing heavily. 当我走近时，我看见他的腿在空中乱踢，喘着粗气。D yu hear smene calling fr help? 你听得到有人在呼救吗？
（2）位于使役动词后，如 keep，have，get，leave，set，catch 等。They use cmputers t keep the traffic running smthly.他们使用电脑来保持交通畅通。He had the fire burning all the night.他让火燃烧了一夜。We gt the lawn mwer wrking again eventually.我们最终又让割草机开始工作了。
过去分词作宾语补足语过去分词作宾补说明宾语的性质或状态，宾语与过去分词之间为被动关系。接过去分词作宾补的动词主要有两类：一类是感官动词，另一类是使役动词。（1）用于表示某种状态的动词 keep，leave，catch等的宾语后面。The guests left mst f the dishes untuched because they didn’t taste delicius. 客人们没有动大部分的菜，因为它们尝起来不好吃。
（2）“have/get+ sth + dne”表示“使某事被做（让别人做或主语自己做）”或“遭遇某种不幸”。Alexander tried t get his wrk recgnized in the medical circles.亚历山大试图让他的工作在医学界得到认可。Claire had her luggage checked an hur befre her plane left.克莱尔在飞机起飞前一小时把行李托运了。
（3）在“make+ 宾语 + 过去分词”结构中过去分词表示结果。I raised my vice t make myself heard.我提高了嗓门以便让别人听到我的话。（4）常用在感官动词 watch，see，hear，ntice，feel，find 等的后面作宾语补足语。I’d like t see the plan carried ut.我想看到这个计划得到实施。I was surprised t find my hmetwn changed s much.我惊讶地发现我的家乡变化如此之大。
执行；进行；完成；带出去
（5）用在 want，wish，like，expect，rder 等表示“希望、愿望、命令”的动词的后面作宾语补足语。Everyne wishes the matter settled as sn as pssible.人人都希望这件事情尽快解决。
Nw lk fr mre sentences with these structures in the reading passage.
Attracted/Attracting by mermaids since she was a child, Hannah Fraser created her first tail when she was nly nine years ld. Nw, she is a mdel and perfrmance artist devted/ devting t cean cnservatin. She can be seen wrn/wearing mermaid clthing and dived/ diving up t 50 feet underwater t swim with dlphins, sharks and whales. She appeared in The Cve，a dcumentary aiming at highlighting the cruelty f dlphin hunting. Besides perfrming and mdelling, Hannah travels the wrld given/giving presentatins and talks, getting mre peple invlved/invlving in the cnservatin f cean life.
be devted t: 专心于形容词短语做后置定语，去掉be
Rewrite the underlined sentences in the interview, using the -ing and -ed frms t make it mre cmpact and cherent.
Reprter: Hell frm Sanjiangyuan Natinal Nature Reserve（SNNR）. With me tday is Lin Feng，a staff member wrking here. Lin Feng，can yu tell us a bit abut SNNR? Lin Feng：Well，SNNR was established in 2000 and is the highest and secnd largest nature reserve in China. Here, yu can see dramatic landscapes. They change frm muntains t grasslands, frests t rivers. Mst imprtantly，it cntains the headwaters f the Yellw River, the Changjiang River and the Lancang River.
Reprter: What’s the biggest prblem faced by SNNR? Lin Feng: In recent years, we have seen large areas f wetland that were damaged by human activity. This has had a negative impact n the unique plants and animals living there. We’ve als seen drughts and flds caused by these changes, which affect the water supply dwnstream. lt is an integrated system, yu see.Reprter: And what srt f wrk are yu ding t help slve these prblems? Lin Feng: Our jb is t prtect and restre the natural envirnment. This includes keeping the riginal envirnment frm being tuched, as well as adpting new, sustainable ways f feeding farm animals.
Reprter: Research shws that the envirnment and vegetatin cverage in the wetlands have been greatly imprved. Yu've dne a great jb!
单句语法填空(1)When I was n my way t schl this mrning，I saw tw wmen________（argue）.(2) He was just abut t sit dwn when he felt smething 　　 　（mve）near his feet.(3)On the bank f the river，we fund him 　　 　　 (lie）n a bench，with his eyes 　　　 　（fix）n a kite in the sky.(4) I std n the bridge and watched bats 　　 　　（pass）by.
with his eyes __________ (lk) at a kite in the sky
fix eyes n…: 盯着…看eyes为fix的宾语，相似短语如shw sb. arund
(5) Dn’t keep the children 　　 　　（wrk）n their lessns all day.(6)The yung man was caught 　　 　　（steal）a car.(7) Listening t music at hme is ne thing，ging t hear it _______________________（perfrm）live is quite anther thing.(8) A ck will be immediately fired if he is fund 　　 　　（smke）in the kitchen.
being perfrmed
单句语法填空(1) He is very ppular amng his students as he always tries t make them 　　　 　（interest ）in his lectures.(2)When we saw the rad 　　　　 （blck）with snw，we decided t spend the hliday at hme.(3)Let’s have all the windws 　　　　（clean）.(4)Befre driving int the city，yu are required t get yur car ___________（wash）.
(5) Even the best writers smetimes find themselves 　　　　（lse）fr wrds.(6) We expect this plan 　　　　（carry） ut successfully.(7) This sng is ften heard 　　　　（sing）everywhere in China.(8) His parents saw him 　　　　（award）the winner’s medal.
Dealing with glbal warming
Share what yu knw abut these expressins.
Cmplete the brchure with the expressins in Activity 4.
Six things yu can d NOW t help stp glbal warming • Reduce waste by chsing reusable prducts—get a（n） _________________ , fr example.
• Try t reduce yur __________________. Walk r ride a bike instead f taking a car. • Use _______________　　 　　 such as slar energy and wind pwer. • The less energy yu use，the less carbn dixide is released. Replacing a regular light bulb with a（n） ____________is a great start.
• 　　　is imprtant because clean water is a limited resurce. Als, we use a lt f energy t prcess clean water. • Planting trees can help a lt in reducing the __________________ 　　　　 because trees absrb the carbn dixide in the air.
reusable water bttle　
carbn ftprint　
renewable energy　
Water cnservatin　
greenhuse effect　
Wrk in pairs. Discuss what yu can d t help deal with glbal warming, using the wrds and expressins yu have learnt.
A: I will g t schl by bike t reduce my carbn ftprint.B: I will ask fr an electrnic receipt when I g shpping.…
A：I will chse reusable prducts—fr example, get a reusable water bttle t reduce waste.B：I will walk r ride a bike instead f driving a car t reduce my carbn ftprint.A：I will use renewable energy such as slar energy and wind pwer.B：I will replace a regular light bulb with an LED bulb as a great start. 　　
I will turn ff the light when there is n persn in the classrm.I will unplug （拔掉插头） the TV when I dn’t watch it.I will turn ff the tap when I finish washing my hands.I will use the clthes-washing water t water the flwers.
Envirnmental prblems t be slved
1　What the wrd “smg” means. 2　When the wrd “smg” appeared. 3　What caused smg in the past. 4　What causes smg nw. 5　The effects f smg n the envirnment. 6　Hw gvernments try t reduce smg. 7　What will happen if we dn’t reduce smg.
Listen again and cmplete the slides.
The Great Smg　
Nw talk abut what the students say t interrupt the lecturer plitely. Listen again if necessary.
chemicals cming frm traffic　
requirements f paying t drive 　
Student A: Turn t Page 108. Student B: Turn t Page 111.