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1、仁爱英语八年级学案 Unit 4 Topic 1 一、知识目标【重点短语】in the countryside 在农村 enjoy nature 享受自然 must be fun 一定有趣 much+形容词比较级:得多 give sb.joy=bring sb.happiness 给某人带来快乐 play with sth.玩某物 sing to sb.对某人唱歌 as we know 众所周知 be important to sb.对来说很重要 share the world with 与分享世界 share sth.with sb.与某人分享某物 the earths surface 地球
2、表面 6%:six percent 百分之六 thousands of 成千上万 many of them 他们中许多 over 30 meters from the ground 离地超过 30 米 help to do sth.帮助做某事 control the weather 调控温度 protect sth.保护某物 cant live without water 离开水不能生存 in fact 事实上 make up 组成 be necessary for 对有必要 living things 生物 save water 节约水 a drop of water 一滴水 on eart
3、h 地球上 wild animal 野生动物【语法知识】（一）、基本概念 1.形容词的比较级和最高级的构成规则变化：（1.）一般在词尾加er 或est.如：freshfresherfreshest.（2.）以字母 e 结尾的形容词，加 r 或 st,如：latelaterlatest.（3.）以重读闭音节结尾的词，词尾只有一个辅音字母时，应双写这一辅音字母，再加 er或 est.如：bigbiggerbiggest.（4.）以辅音字母y 结尾的双音节词，先改 y 为 i，再加 er 或 est.如：happyhappierhappiest.（5.）部分双音节词和多音节词前面加more或most
4、构成比较级或最高级。如：carefulmore carefulmost careful beautifulmore beautifulmost beautiful.不规则变化：good/wellbetterbest littlelessleast bad/illworseworst many/muchmoremost farfarther/furtherfarthest/furthest（二.）形容词的比较级和最高级的用法 比较级或，经常与 than 搭配，或给出比较的二个内容。可用 much和 a little 修饰 例句：Im happier than you.我比你更快乐。Plants
5、are much more beautiful than animals.植物比动物漂亮的多。三者或三者以上比较用最高级，一般给出比较范围如：of（in）。例句：The boy is the tallest in my class.这个男孩是我们班最高的。Lesson Two is the most important of all.第二课是所有中最重要的。二、典型例解()animals need _ water.A.little B.many C.lot of D.plenty of 分析：D little 几乎没有,many 许多,修饰可数名词,lot of 是错误的用法,应该写成 lot
6、s of 大量,许多,plenty of 大量的,既可修饰可数名词,又可修饰不可数名词。故此题选 D。()2.You are standing too near to the TV.Can you move a bit _ OK,Mom.Is it all right here A.faster B.slower C.farther D.nearer 分析：C 考查易混淆词区别。根据题意:“你站得离电视太近了,你能移远一点吗”fast指速度快,slow 指速度慢,far 指距离远,near 指距离近。a bit 可修饰比较级,故选 C。()3.Did you have breakfast th
7、is morning No,I got up late and went to school _ breakfast.A.for B.in C.without D.after 分析：C 考查介词。根据句意:“今天早上你吃早饭了吗没有。我起晚了,没吃早饭就去上学了。”without breakfast 意为“没吃早饭”。()classroom is so dirty.Everyone should keep it _.A.dry B.open C.quiet D.clean 分析：D 考查 keep+n.+adj.的用法。()were _ animals in the forest many y
8、ears ago.A.thousand of B.thousands of C.three thousand of D.three thousands of 分析：B 考查数词。hundred/thousand 等,前面如有具体数字，其后不加-s 也不跟 of,反之,就得用复数形式，其后跟 of。分析句子，选 B。()6.Wow,your school is great!It is _ school in the city.A.much more beautiful B.much beautiful C.the most beautiful D.beautiful 分析：C 考查形容词最高级。
9、分析句子,空格后是 in the city,故应用最高级,由于beautiful 是多音节，其最高级用 the most beautiful,故选 C。()whales are the largest and heaviest animals in the world,but they _ the smallest sea animals.A.feed in B.live in C.feed on D.fed on 分析：C 此题意为“蓝鲸是世界上最大、最重的动物,却以海洋中最小的动物为食。”“以为食”应用 feed on.,而且这是一种习惯表达法,不需要使用过去时,故选 C。()8.Zhou
10、 Fang,can you finish your homework better with _ time I think I can.A.few B.fewer C.little D.less 分析：D 考查形容词的比较级。根据句意:“周芳,你能用更少的时间把你的作业做得更好吗”空格后的time是不可数名词,只能用little来修饰,little的比较级是less,故选D。()we know,water is very important _ us.A.of B.to C.on D.with 分析：B 此处是固定搭配,be important to/for sb.表示“对某人来说是重要的”。
11、()!There is a rabbit,two _ and two _ in the picture.A.cows;sheeps B.mice;tiger C.gooses;snakes D.foxes;wolves 分析：D 考查可数名词变复数的语法。三、评价作业.单项选择()1.What are you doing Im life in the countryside.A.think over B.thinking over C.think about D.thinking about()2.Water is very important all living things.We mus
12、t _ every drop of water.A.for;leave B.for;keep C.to;save D.to;show ()3.There were _ animals in the forest many years ago.A.thousand of B.thousands of C.three thousand of D.three thousands of()4.Which is of the two boys A.the tallest B.the taller C.taller D.tall ()5.Yaoming is one of in the world.A.b
13、est players B.the best player C.best player D.the best players()6.Our rooms are bigger than .A.yours B.them C.their D.yours()7.Our teacher told us that these exercises were _.Really A.far more easy B.much easier C.even more easy D.so easier()8.He is the tallest _ the three.A.in B.of C.at D.for()9.In
14、sects _ plants.A.feed in B.food on C.feed on D.feed of()10.The man in the red car _ his father.Yes.I think so.A.can be B.must C.must be D.can not.情景交际 A:Summer holiday is coming.11 B:Yes,Im going to my hometown.A:12 B:For about a month.13 A:I want to travel to Hainan Island.Its a beautiful place of
15、interest.B:14 .But I have to visit my grandparents in my hometown.A:It doesnt matter.If you stay in your hometown for fewer days,youll have enough time to go traveling.B:15 .Then I will go to my hometown as soon as the holiday begins.A:OK!I will wait for you until you come back.B:Thats a deal!Thank
16、you.11.12.13.14.15.完形填空 We know that trees are useful in our everyday life.They 16 us many things,such as wood,oxygen,rubber,medicines and many other things.They can 17 tell us a lot about our climate.The following are the reasons.If you 18 a tree,you can see that it has many rings.Most trees grow o
17、ne new ring 19 year.Because of the reason,we know 20 a tree is.A tree over a hundred years old means that it has more than a hundred 21 .When the climate is dry or very cold,the trees do not grow very much and their rings are usually 22 .When it is wet and warm,the rings are much thicker.If the ring
18、s are suddenly very thin or suddenly very thick,this means that the 23 changed suddenly.If we look at the rings on this tree,we can learn about the 24 for a hundred years.We can see 25 our climate is changing today.()16.A.tell B.ask C.give D.get()17.A.not B.too C.to D.also()18.A.cut across B.climb u
19、p C.walk past D.look at()19.A.every B.many C.the first D.from()20.A.how big B.how long C.how old D.how much()21.A.trees B.leaves C.people D.rings()22.A.big B.thick C.small D.thin()23.A.climate B.trees C.rings D.animals()24.A.people B.things C.climate D.life()25.A.how B.why C.when D.while.阅读理解(A)In 1
20、620,about half the U.S.A.was covered by forests.Today the forests have almost gone.A lot of good land has gone with them,leaving only sand.China doesnt want to copy the U.S.A.s example.Were planting more and more trees.Weve built the“Great Green Wall”of trees across northern part of our country.The
21、Great Green Wall is 7,000 kilometers long,and between 400 and 1,700 kilometers wide.It will stop the wind from blowing the earth away.It will stop the sand from moving towards the rich farmland in the south.More“Great Green Walls”are needed.Trees must be grown all over the world.Great Green Walls wi
22、ll make the world better.()26.In 1620,about _ the USA was covered by forests.A.a third B.half C.two thirds D.a fourth()27.A lot of good land has gone with _.A.sand B.water C.wind D.forests()28.The Great Green Wall in China is _ long.A.7,000 kilometers B.1,700 kilometers C.7,000 meters D.400 kilomete
23、rs()29.Trees must be grown in _.A.China B.the USA C.some countries D.every part of the world()30._ will make the world better.A.The Great Wall B.Tall buildings C.Great Green Walls D.Flowers and grass (B)Rose is an American school girl.She is now in Beijing with her parents.Its Sunday morning.Rose ge
24、ts up early in the morning.After breakfast her parents take her to the zoo.They go to see the pandas and other animals.The pandas live only in China.There are not any pandas in America.So they like the pandas best.Outside the zoo gate there is a picture.Its a picture of a panda with“Welcome”.In the
25、zoo,Rose sees not only pandas but also many other animals.A panda is round and fat.It looks like a ball.It always moves slowly like a ball rolling(滚动).There are also elephants.The elephant is the biggest animal on land.There are many monkeys on the hill.Some of them are sitting in the trees.Some are
26、 picking nuts.And the others are running or climbing up the trees.Rose and her parents have a good time in the zoo.()31.Rose comes from _.A.China B.Beijing C.America D.a school()32.They like pandas best because _.A.the pandas live only in China B.there is a picture of a panda outside the zoo gate C.
27、a panda is round and fat D.a panda looks like a ball()33.Which is the biggest animal on land A.The panda.B.The elephant.C.The tiger.D.The monkey.()34.Many monkeys are _.A.sitting in the trees B.picking nuts C.running or climbing up the tree D.A,B and C()35.Rose and her parents are _ that day.A.very
28、busy B.very free C.very happy D.not happy(C)Trees are useful to man in three important ways.The first important way is that they provide(提供)man with food,wood and the other products.Trees provide not only man with food,but also many animals with food.Without trees many animals could not live on the
29、earth.Its not easy for man to live on the earth,either.The second important way is that trees give us shade(阴凉).On a hot summer day,people are eager(渴望)to have a rest under the tree after they have a long walk.You can imagine how important the shade of a tree is to man and animals.The third importan
30、t way is that trees help to prevent droughts and floods(防止干旱和洪水).However,in many parts of the world,man hasnt realized the third way.They were cutting trees down in large numbers.In the end they find that they have lost the best friends they had.根据短文内容，回答下列问题。36.How many important ways are trees use
31、ful to man _ 37.Trees only provide man with food,dont they _ 38.On a hot summer day,what do trees give us _ 39.What does the underlined word“they”means _ 40.Whats the best title of the passage _.词汇(A)用所给词的适当形式填空。41.Tigers are (danger)than elephants.42.Which do you like (well),Chinese,English or Japa
32、nese 43.Is Huanghe one of the longest (river)in the world 44.There are many (sheep)on the farm.45.Humans need water (drink).(B)根据汉语提示，完成句子。46.(事实上),water covers most of the earth.47.Girl students (占了)only 40%of the students.48.Rabbits (以为食)grass.49.We should save (每滴水).50.Tom a bed (与分享)Tim.综合填空 根据首
33、字母提示补全单词，完成短文。The Dead Sea is not a sea.It is a big l 51 in the Jordan valley.It is near the city of Jericho.The river Jordan runs into the Dead Sea.It c 52 from the north.The lake is 400 meters below sea level.The sun is hot there a 53 the water is salty.Fish cannot live in the salty water and plan
34、ts cannot grow near it.People cannot swim w 54 in the Dead Sea,but they can float on the water.The water is very blue and the air is c 55 .In the winter people come to the lake.They sit in the sunshine or bath in the warm water.书面表达 用 80 个左右的单词写一篇保护野生(wild)动植物的短文。内容应包含：1.野生动植物的现状；2.造成许多野生动植物濒临灭绝(die
35、 out)的原因。3.至少提出三条保护野生动植物的措施。_ 参考答案.1-5 DCBBD 6-10 ABBCC.11.Do you have any plans for it 12.How long will you stay there 13.What about you 14.Id like to travel,too 15.Thats a good idea.16-20 CDAAC 21-25 DDACA.26-30 BDADC 31-35 CABDC 36.Three ways.37.No,they dont.38.They give us shade in a hot summer.
36、39.It means“man”.40.The Importance of the Trees.(A)41.more dangerous 42.best 43.rivers 44.sheep 45.to drink(B)46.In fact 47.make up 48.feed on 49.every drop of water 50.shares with.51.lake es 53.and 54.well 55.clean.参考范文：The number of plants and animals on the earth is becoming much smaller than bef
37、ore.We should protect them well.People often kill wild animals and cut trees in forests.As a result,without the trees the animals lost their home and their food.And many animals are dying out because of pollution.I think that we should protect wild plants and animals.People should plant more and more trees,cut less plants and never kill wild animals and factories shouldnt pollute rivers and air.We will have a beautiful world to share with them.