外研版 (2019)必修 第二册Unit 6 Earth first示范课ppt课件

这是一份外研版 (2019)必修 第二册Unit 6 Earth first示范课ppt课件，共32页。PPT课件主要包含了Grammar，Homework，现在分词作宾语补足语，过去分词作宾语补足语，III，no wind，chemicals等内容，欢迎下载使用。
Vcabulary building
Listening & speaking
a. We see a wman swimming at night in a dark sea. b. It made peple frightened f sharks, ...
Grammar: -ing and -ed as cmplement
1. In sentence (a), wh is swimming at night?
Lk at the sentences frm the reading passage and answer the questins.
In sentence (a), a wman is swimming at night.
2. In sentence (b), wh is frightened f sharks?
In sentence (b), peple are 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. In ther wrds, the wman des the actin f swimming. S the authr uses -ing. But in sentence (b), peple are frightened. As a result, passive vice is used. S the authr uses -ed.
1) see, watch, hear, feel, ntice 等感官动词后接现在分 词作宾语补足语，表示该动作正在进行。 I saw him running dwn the street. I felt an ant climbing ver my leg.
2) have, leave, keep 等使役动词后接现在分词作宾语补足语，表示“使处于某种状态”。 They shut the dr and left, leaving the fire burning. Srry, I’ve kept yu waiting a lng time.
1) like, want, wish, rder 等后接过去分词作宾语补足 语，表示命令或希望某件事被完成。I want the rm cleaned up when I cme back.
2) see, hear, ntice, bserve, watch, feel, find 等感官动 词后接过去分词作宾语补足语，表示该动作与宾语之 间是被动关系或者该动作已经完成。I saw an ld man kncked dwn by a car just nw. He fund his hmetwn greatly changed.
3) have, get, make, leave, keep 等使役动词后接过去分 词作宾语补足语，表示动作由他人完成。He had his mney stlen.
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.
Read the passage and chse the crrect frm f the verbs.
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.
Here, yu can see dramatic landscapes. They change frm muntains t grasslands, frests t rivers.
Rewrite the underlined sentences in the interview, using the -ing and -ed frms t make it mre cmpact and cherent.
Here, yu can see dramatic landscapes changing frm muntains t grasslands, frests t rivers.
In recent years, we have seen large areas f wetland that were damaged by human activity.
In recent years, we have seen large areas f wetland damaged by human activity.
This includes keeping the riginal envirnment frm being tuched, ...
This includes keeping the riginal envirnment untuched, …
Vcabulary building: Dealing with glbal warming
Share what yu knw abut these expressins.
A carbn ftprint is the amunt f greenhuse gases — primarily carbn dixide — released int the air by a particular human activity. Fr example, when yu drive a car, the engine burns fuel which creates a certain amunt f greenhuse gases. When yu heat yur huse with cal r electricity, yu als generate greenhuse gases. Even the prductin f fd and gds emits sme quantities f greenhuse gases. Tgether these emissins make up a carbn ftprint.
Cmplete the brchure with the expressins related t glbal warming.
Six things yu can d NOW t help stp glbal warmingReduce waste by chsing reusable prducts - get a(n) 1 _____________________, fr example.
reusable water bttle
Try t reduce yur 2 ___________________. Walk r ride a bike instead f taking a car.Use 3 _______________ 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) 4 _______________ is a great start.
carbn ftprint
renewable energy
5 __________________ 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 6 ________________ because trees absrb the carbn dixide in the air.
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.
Example:A: I will g t schl by bike t reduce my carbn ftprint. B: I will bring a reusable bag when I g shpping. …
Listening & speaking
Listening & speaking: Befre listening
D Yu Knw? Smg cmes frm the wrds “smke” and “fg”, and it is used t describe the air pllutin in cities caused mainly by traffic and factries. Smg can be dangerus because it causes severe breathing prblems and infectins.
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.
Listening & speaking: While-listening
Listen t the lecture and chse the tpics that are cvered.
Smg in the past • Term created in: 1. _______• Big prblem in Lndn: 2. _______________ in December 1952 • Causes f the prblem: burning t much cal and 3. __________
Listen again and cmplete the slides.
The Great Smg
Smg in the present• Causes f the prblem: 4. ________________________ and factries • Measures: rules abut using 5. ________ in factries and 6. ___________________________ in the city centre
chemicals cming frm traffic
requirements f paying t drive
Listening & speaking: Pst-listening
A plite interruptin is usually framed as a request fr permissin t interrupt smene, ften starting with If ..., May I r Can I This may be preceded with an aplgy such as Srry, ... r Excuse me, ... Usually we interrupt smene when they pause fr breath, r during the slight pause between spken clauses.
Learning t learn
Listening & speaking: Pair wrk
Wrk in pairs and talk abut recycling.Student A: Turn t Page 84. Student B: Turn t Page 87.