初中八年级英语课件冀教版八年级下册Unit3Lesson17SavetheTigers

冀教版八年级英语下册Unit3AnimalsAreOurFriendsLesson17:SavetheTigers

MynamestartwithaCandendwithanL.

Iliveinthedesert,ahardplacetolive.Icancarrypeopleandtheirgoods(货物).

WhatamI?——CamelBrain-teasersI.Learningaims:

Knowaboutthewords:century,courage,brave,reason,kill,cut(cut,cut);atthebeginningof…,dropto,foodchain,indanger,cutdownII.Learningimportant&difficultpoints:1)thenumberof与anumberof2)indanger的用法CheckPreview1.Newwordscentury

n.世纪

couragen.勇气；胆量

braveadj.勇敢的；无畏的

reasonn.原因；动机；理由

cutv.砍；切；剪；割

2.Readthispassage,thenfindoutsomeimportantphrases.

atthebeginningof在……之初dropto跌至；下降到inbalance保持平衡indanger处于危险状态cutdown把……砍到；减少aswell（除某事或某人外）还；也

Atthebeginningofthe20th

century,

thenumberoftigersinthewildwasaround100,000.在二十世纪初期，野生老虎的数量大约是十万只。

thenumberof意为“…….的数量”，

跟复数名词连用作主语时，中心词

是number，谓语动词要用单数。anumberof表示“许多”，相当于many,修饰可数名词复数。作主语时，谓语动词用复数。number前可用large,small等修饰，表示程度。e.g.Thenumberofstudentsinourclassis50.Quiz:Anumberof_________(student)____(be)plantingtreesonthehill.studentsare2.Inrecentyears,tigershavebeenindangerofdisappearing.在近

几年，老虎处于濒临灭绝的危险中。indanger(of)

意为“处于（……）

危险之中。e.g.You’reindangerofcatchingacold.Quiz：Thepassengersare______________(处于危险状态)!Let’sgoandhelp!indangerpracticingFillintheblanks.________________studentsisabout

twenty.(……的数量).2.It’s______________yourhealth.

(对……是重要的)3.Theriverispollutedand____________

goingdry.(处于……危险中)ThenumberofimportanttoindangerofAnimalsareourfriends.Le