英语必修 第二册Unit 6 Earth first优质课件ppt

这是一份英语必修 第二册Unit 6 Earth first优质课件ppt，文件包含Unit6EarthfirstPeriod1StartingoutandUnderstandingideas课件pptx、Unit6Period1StartingUnderstandingideas同步课时练习解析docx、Unit6Period1StartingUnderstandingideas同步课时练习原卷docx等3份课件配套教学资源，其中PPT共21页， 欢迎下载使用。

Review new wrds
shark n.scare v.→________ adj.受到惊吓的；感到害怕的→________ adj.恐怖的；吓人的由于，因为fin v. 切去（鱼的）鳍 n.（通常指使用呼吸设备的）潜水 v.把……作为目标 v.幸运地 adv.→____________ adv.灭绝，绝种 n.（尤指通过行为表现出的对某事的一般）看法，态度 n.
unfrtunately
Step 2 Starting ut
Activity 1
Which f the facts in the vide d yu find mst alarming?What des the vide want t tell us?
Activity 2
1. What envirnmental prblem des each cartn refer t? 2. What are the causes f these prblems?3. What d yu think is the mst serius envirnmental prblem we face tday? What shuld be dne t help slve it?
Understanding ideas
1 Tick the wrds that yu wuld use t describe sharks. Add any mre yu can think f.
Nw cmpare yur chices with the class.Share what yu knw abut sharks.
□ dangerus □ pwerful □ endangered □ interesting□ man-eating □ terrfying □ cute □ intelligent □ huge
2 Read the passage and find ut hw sharks are described in the film Jaws.
Ⅱ Fast reading
1 T criticise Peter Benchley's misleading descriptin f sharks in his bk and advcate the prtectin f sharks.2 T explain peple's misunderstanding f sharks and raise awareness f shark prtectin. 3 T infrm peple abut sharks and recmmend the film and the bk t them.
3 Chse the authr’s purpse in writing the passage.
4 Cmplete the chart shwing hw attitudes twards sharks have changed with wrds and expressins frm the passage.
as dangerus animals
sharks were bad animals that ate humans
swimming in the sea
fish fr sharks
fear f sharks and finning
was wrng abut sharks’ behaviur
sharks d nt see peple as fd
understanding sharks
prtect sharks frm extinctin
Ⅲ Careful reading
Ⅳ Think & Share
1 Hw d yu think Peter Benchley felt after his diving trip in 1980？2 What ther films r bks d yu knw that feature wild animals? D they “paint” a gd r bad picture f these animals? Say hw the animals are described.
Language pints
the number f +可数名词复数 “……的数量”
(1)a great/large/small number f＋可数名词复数＋复数谓语 a great/gd many＋可数名词复数＋复数谓语 quite a few ＋可数名词复数＋复数谓语(2)the number f＋可数名词复数＋单数谓语(3)a great deal f＋不可数名词 a great/large amunt f＋不可数名词(4)a lt f/lts f＋可数名词复数或不可数名词 a great/large quantity f＋可数名词复数或不可数名词 masses f＋可数名词复数或不可数名词 plenty f ＋可数名词复数或不可数名词
(1)I gave away a great number f bks t the children there.我向那儿的孩子捐献了许多书。(2)Large quantities f fd and vegetables are sent t suthern China where peple have been suffering frm snw strms since mid­-January.大量的食物和蔬菜被送往中国南方，那里人们从一月中旬就一直遭受暴风雪。
特别提醒　(1)a number f＋名词作主语，谓语动词用复数，表示“许多；大量”。(2)the number f＋名词作主语，谓语动词用单数，表示“……的数量”。(3)large quantities f＋名词作主语，谓语动词用复数。(4)large amunts f＋不可数名词作主语，谓语动词用复数。
(1)单句语法填空①Large quantities f land in the area (reserve) fr natinal parks these years，which (be) nw hme t bears，wlves，and ther wild animals.②The number f bks stlen frm the library (be) large.③A large number f bks (steal) frm the library s far.
have been reserved
have been stlen
(2)单句改错①Mre than ne dctr were invlved in the rescue that tk place after the earthquake.②One survey shws that large amunts f water is wasted every year in China，and that ne third is available t be saved.
cut sb. ff　　　　 中断(电话通话)；停止(供给)cut sth. ff 切掉；割掉；阻挡cut ... ff frm ... 切断……的去路；使……与外界隔绝cut dwn 削减，缩小cut in 打断(谈话)；插嘴cut ut 停止运转；删除
cut ff　 切断；断绝
[高考佳句](2015·湖北高考阅读C)Hilversum is different frm mst f the Netherlands in that it is cut ff frm big cities. 希尔弗瑟姆不同于荷兰大多数城市是因为它与大城市切断了联系。
They were cut ff fr nt paying their phne bills.他们未付电话费，被停机了。
He had his finger cut ff in an accident at wrk.他在一次工伤中被切断了手指。
When yu give a speech, yu'd better cut ut unimprtant details.当你演讲时，最好删掉那些不重要的细节。
Ⅰ.写出下列句中cut ff的含义①We were cut ff in the middle f ur phne cnversatin._________________②My explanatin was cut ff by lud nise.______________ ③She feels very cut ff living in the cuntry.______________ Ⅱ.单句写作④最后他到达了一个完全与外部世界隔绝的孤岛上。Finally he reached a lnely island ______________________________ the utside wrld.
which was cmpletely cut ff frm