高中英语人教版 (2019)必修 第一册Unit 4 Natural disasters课前预习ppt课件

这是一份高中英语人教版 (2019)必修 第一册Unit 4 Natural disasters课前预习ppt课件，共36页。PPT课件主要包含了课前自主预习，课堂新知讲练，用法详解，语 音 时 空，随堂知能小练等内容，欢迎下载使用。

1．指的是；参考；提到______________________2．至少______________________3．set up ______________________　　4．注意______________________5．自然灾害______________________6．vlcanic eruptin ______________________
refer tat least创建；建立pay attentin tnatural disaster火山喷发
7．in the fld-hit area ______________________8．新闻报道______________________9．medical teams ______________________
在洪水泛滥地区news reprt医疗队
1．D yu knw ________ ________ ________ ________(这些灾难是什么)？(what引导的宾语从句)【答案】what these disasters are2．Listen t the news reprts and tick the disaster ________ ________ ________(你听到的)．(that引导的定语从句)【答案】that yu hear
1．fld n．洪水；大量 vi.淹没；大量涌入 vt.使灌满水；淹没Paraphrase: a very large amunt f water that cvers an area; t cver a place with water(P48)Where are the flds?洪水在哪里？
I received a fld f letters this mrning.今天早上我收到大量的信件。It is nt safe t crss the bridge nw because the river is in fld.现在过桥不安全，因为河水在泛滥。We had an infrmal party at a htel, and peple just flded in.我们在宾馆举行了一个非正式的晚会，人们蜂拥而至。The ffice was flded with applicatins fr the jb.办公室堆满了应征该职位的求职信。
[针对练习]单句语法填空(1)The river was ________ fld after the heavy rain.(2)All the prducts in the supermarket are n sale s it ________(fld) with custmers nw.(3)The bss receives _______ fld f applicatins every day.(4)As the electin neared, vters started t fld ________.【答案】(1)in　(2)is flded　(3)a　(4)in
2．destry vt.摧毁；毁灭Paraphrase: t damage smething s badly that it n lnger exists r cannt be used(P49)2,400 hmes destryed2400所房屋被毁
There is wrldwide cncern abut the destructin f the rainfrests.全世界都在关注热带雨林遭到破坏的问题。The winds f trnad are usually very destructive.龙卷风的风通常是极具破坏性的。
【易混辨析】destry, damage & ruin
[针对练习]单句语法填空(1)Many museums ________ (destry)during the Secnd Wrld War.(2)Sugar is the ________(destry) f healthyteeth.(3)He had seen his life's wrk ________(destry) befre his very eyes.【答案】(1)were destryed　(2)destryer　(3)destryed
3．affect vt.影响；(疾病)侵袭；深深打动Paraphrase: t d smething that prduces an effect(P49)82 killed, 500,000 affected82人死亡，50万人受影响【用法详解】
(1)affecting adj.深深打动人的；感动人的(2)affected adj.受到鼓舞的；感动的；假装的；做作的(3)affectin n．喜欢；喜爱
She shwed an affected interest in ur subject.她假装对我们的课题感兴趣。He has great affectin fr his dg.他十分喜爱他的狗。It is very affecting t see hw much strangers can care fr each ther.看到陌生人之间这般彼此关照，实在令人感动。【特别提醒】affect＝have an effect n…对……有影响
[针对练习]写出affect在下列句中的含义(1)Climate and weather affect every aspect f ur lives.(　　)(2)These viruses(病毒) affect children and are highly infectius.(　　)(3)I hpe sme day I can use my real heart t affect yu.(　　)
单句语法填空(4)Yur decisin shuld nt ________(affect)by thers.(5)The ________(affect) stry abut their lve really tuched me.(6)________ (affect) by his father, he became interested in Chinese painting, which has a histry f mre than 2,000 years ld.
(7)Year by year their ________ (affect) fr each ther grew strnger.(8)His ________ manners are painful t endure.【答案】(1)影响　(2)侵袭　(3)深深打动(4)be affected　(5)affecting　(6)Affected(7)affectin　(8)affected
□辅音一、概念辅音又叫子音，是指气流在口腔或咽头受到阻碍而形成的音。按照发音时声带是否振动，可分为清辅音(发音时声带不振动)和浊辅音(发音时声带振动)。二、清辅音和浊辅音
□追踪练习Ⅰ.选出画线部分发音不同的选项(　　)1.A．picture　　B．music　　 C．cat　　D．decide(　　)2.A．much　　　B．machine　 C．rich　　　D．teacher(　　)3.A．schl　B．headache　C．China　　D．chemistry
(　　)4.A．enugh　　B．light　　　 C．daughter　D．high(　　)5.A．hand　　B．head　 C．huse　　D．hnest(　　)6.A．sit　　　B．sleep　　　 C．wise　　D．desk(　　)7.A．thin　　B．these　　　 C．thirty　　D．methd
(　　)8.A．three　　　B．weather　 C．father　　D．with(　　)9.A．whse　　　B．whle　　 C．white　　D．wh(　　)10.A．example　B．exist　　C．bx　　D．exact【答案】1.D　2.B　3.C　4.A　5.D　6.C　7.B　8.A　9.C　10.C
【答案】1．finished, stressed, reached, fcused, hiked, stpped2．damaged, brrwed, challenged, planned, welcmed, answered3．needed, cunted, affected, attracted, pretended, started
Ⅰ.根据画线部分的读音将单词和音标连线
【答案】1.⑫　2.④　3.⑥　4.②　5.⑬　6.⑨　7.⑩　8.③ 　9.⑤　10.①　11.⑧　12.⑦　13.⑪
Ⅱ.用介词或副词填空1．________least 500 students tk part in the sprts meeting last week.　2．T help the peple in the flded areas, they set ________ a lt f shelters.　3．When yu d yur hmewrk, please pay attentin ________ yur handwriting.
4．The lifebat was sent ut t rescue the sailrs ________ the sinking ship.5．The ld farmer was very sad because the strng winds did a lt f damage ________ his crps.【答案】1.At　2.up　3.t　4.frm　5.t