Unit 3 Animals Are Our Friends>Lesson 18 Friendship Between Animals

课件16张PPT。Friendship Between AnimalsLesson 18 Think about itDo you think there is friendship between animals?Can you imagine the rhino and a bird called egret are able to live together?New words: friendship 友情，友谊
rhino 犀牛
skin 皮肤
warn 警告，提醒
insect 昆虫
relationship 关系，关联
survive 生存，存活
hippo 河马
tortoise 龟
boundary 分界线，边界friend朋友 friendly 友好的rhinoswarning n. 警告boundaries hipposRead the lesson and answer the questions.Finish “Let’s do it ” Exercise 2The answers；
1.They are helping each other.
2.Owen is a baby hippo. Mzee is
a 130-year-old tortoise.
3.Many people’s hearts were touched.
4.No, they don't.犀牛的皮肤虽然坚厚，可是皮肤皱褶之间却又嫩又薄，一些体外寄生虫和吸血的蚊虫便趁虚而入，从这里把它们的口器刺进去，吸食犀牛的血液。犀牛又痒又痛，可除了往自己身上涂泥能多少防御一点这些昆虫叮咬外，再没有别的好办法来赶走、消灭这些讨厌的害虫。而犀牛鸟正是捕虫的好手，它们成群地落在犀牛背上，不断地啄食着那些企图吸犀牛血的害虫。犀牛浑身舒服，自然很欢迎这些会飞的小伙伴来帮忙。
除了帮助犀牛驱虫外，犀牛鸟对犀牛还有一种特别的贡献。犀牛虽然嗅觉和听觉很灵，可视觉却非常不好，是近视眼。若是有敌人逆风悄悄地前来偷袭，它就很难察觉到。这时候，它忠实的朋友犀牛鸟就会飞上飞下，叫个不停，提醒它注意，犀牛就会意识到危险来临，及时采取防范措施。
　动物之间的互惠互利也非常有趣。鳄鱼和千鸟之间的关系就是一例，千鸟不但在凶猛的鳄鱼身上寻找小虫吃，还能进入鳄鱼的口腔中啄食鱼、蚌、虾、蛙等的肉屑和寄生在口腔内的水蛭。此举既吃饱了千鸟的肚子又清洁了鳄鱼身体，一举两得，互相受益。动物之间的互惠互利可以说不胜枚举Important phrases1、过去常常认为
2.互相帮助
3.通过清洁它的皮肤
4.警告某人做某事
5.团聚，一起
6.不仅… … 而且… …
7.一个美好的结局
8.打动许多人的心 used to think used to do sth.过去常常
做某事 help each other by cleaning its skin by doing sth 通过做某事 warn sb. to do sth. get together not just… but also… a very happy ending touch many people’s hearts touch one’s heartLanguage points1.I used to think only the same animals live together.我过去常常以为只有同类的动物才生活在一起。
used to do sth.意为“过去常常做某事”只能用于一般过去式。
I used to have a desktop computer, but
now I have a tablet. 我过去有一台台式电
脑，但现在我有一台笔记本电脑。
He used to be late for class.be used to doing sth. 习惯于做某事,可用于现在、过去等时态eg: When I was younger,I was used to walking long distance.
He was used to living alone several months later.
我过去常常起得晚，但是现在我习惯于早起。I used to get up late, but I
am used to getting up early now.2.The egret helps the rhino stay healthy by cleaning its skin.白鹭通过清洁犀牛的皮肤帮助犀牛保持健康by doing sth. 通过做某事
介词by 表示方式，手段，后跟v.+ing形式。
You can improve your English ____ practising more.
People passed on their knowledge by____ (tell) stories.
3. warn (v.) 提醒
warn sb about sth.=warn sb. of sth.
提醒/警告某人注意/当心某事
eg:He warned us about the danger of smoking.
My sister warns me of dogs.
warn sb. not to do sth.警告某人不要做某事
I warn you not to go out alone at night.
The teacher warned the kids not to play on the road.
4.Sometimes different animals get together not just to survive, but also for friendship.有时候不同的动物在一起不仅仅是为了生存，也是为了友谊。 not just… but also…
= not only… but also… 不仅… …而且… …
1.后面连接的词的词性必须对等。
He speaks not only English,but also French.
2.谓语动词的数应与but also后的主语保持一致。
Not only you but also Mr.Zhang ____ (teach) in this college.5. touch one's heart打动某人的心
eg: The song touched he heart.
His story touched our hearts deeply.
与某人保持联系 stay/keep in touch with sb.You should stay in touch with your old friends.6. truly(adv.) 真正，确实，常位于系动词/情态动词、助动词之后，实义动词之前
I truly want to go home.
He is truly lovely.
true(adj.) 真实的、真的
eg: This is a true story.Exercises:
一、根据句意及首字母提示补全单词。
1.Is there any r___ between them?
2.F____is truly a gift from god.
3.the egret helps the rhino stay healthy by cleaning its s____
4.I w___ them that there might be snakes in the woods.
5.We crossed the state b____ at midnight. 1. relationship 2.Friendship 3.skin 4. warned 5. boundary二、用所给词的适当形式填空：1.She was the only one to ____ (生存) the crash(坠毁).
2.I was ____ (warn) by my father not to get home later then 11:00.
3. Friendship truly has no ____ (分界线).
4.I play basketball ____ for my school ____ for myself.（不仅… 而且…）
5.His speech was inspiring and ___ (触动我的心) survive warned boundaries not just but also touched my heart