仁爱英语八年级Unit4 Topic1课文朗读+重难点练习（内含前3单元）

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一.重点词语

1.share…with 与……共享

2.play with 玩弄，玩耍

3.in danger 在危险之中

4.feed on 以……为食

5.think about 考虑，思考

6.enjoy nature 享受自然

7.at night 晚上

8.in the daytime 白天

9.summer vacation 暑假

10.thousands of 成千上万

11.in fact 事实上

12.find out 查明，发现

13.in nature 在自然界

二.重点句型

１.Ｐlants are more beautiful thananimals.　植物比动物更漂亮。

２.The plants stay green longer there.　那儿的植物能更长时间保持绿色。

３.The rainforests are very important to us.　（热带）雨林对我们很重要。４.Water is necessary for allplants.It is the most important thing to all living things,we must save everydrop of water.　水对所有植物是必需的。它对所有生物都重要，我们必须节约每一滴水。

５.Isn’t it interesting？　是不是很有趣呀？

６.It is one of the most dangerous fish in the world.　它是世界上最危险的鱼之一。

７.It is so strange！　太奇怪了！

三.语法学习

（一.）形容词的比较级和最高级的构成

１. 规则变化：（1.）一般在词尾加—er或—est.如：fresh—fresher—freshest.

（2.）以字母e结尾的形容词，加r或st,如：late—later—latest.

（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：big—bigger—biggest.

（4.）以辅音字母＋y结尾的双音节词，先改y为i，再加er或est.happy—happier—happiest.

（5.）部分双音节词和多音节词前面加more或most构成比较级或最高级。如：careful—more careful—most careful,

beautiful—more beautiful—most beautiful.

２.不规则变化：

good/well—better—best,little—less—least,many/much—more—most,bad/ill—worse—worst,far—farther/further—farthest/furthest.

（二.）形容词的比较级和最高级的用法

１. 比较级Ａ＜Ｂ或Ａ＞Ｂ，经常与than搭配，或给出比较的二个内容。可用much和alittle修饰．

２. 三者或三者以上比较用最高级，一般给出比较范围．如：of（in）＋…。

(1)例句：①I’m happier than you.　我比你更快乐。

②Plants are much more beautiful thananimals.　植物比动物漂亮的多。

(２)例句：①The boy is the tallest in myclass.　这个男孩是我们班最高的。

②Lesson Two is the most important of all.　第二课是所有中最重要的。

一、写出以下各形容词的比较级和最高级：

1. nice______________________  2. fat____________________3. slow _____________________ 

4. dry____________________5. happy ____________________  6. wet ____________________

7. much____________________  8. ill_____________________9. little _____________________ 

10. bad___________________11. thin ______________________ 12. far ____________________

13. early_____________________ 14. careful_________________                               

15.exciting ___________________                            

16. busy__________________

二、根据句意，用所括号内所级形容词的比较等级形式填空：

1. Bobis  _________ ( young ) than Fred but___________  (tall) than Fred.                         

2.Yingtian is not as ___________  (tall) asYongxian.                                            

3. Almostall the students' faces are the same but Li Deming looks _______(fat) than before. 

4.Whichis _________  (heavy), a hen or achicken?              

5.--How  _________ (tall) is Sally?             

-- She' s1.55 metres  ________  (tall). What about Xiaoling?                                

-- She' sonly 1.40 metres ________(tall). She is much _______(short) than Sally.   

She isalso the _______ (short) girl in the class.   

35.Skating is ____          ___ thanswimming. (exciting)

36. Jimis ____            ___ than allthe others. (honest)

37.Things are getting _______ and _______. (bad)

38. Thehigher you climb, the _______ it will be. (cold)

39. Nowhis life is becoming ________ and _____             __. (difficult)

40. Thereare _______ boys than girls in our class. (few)

答案：

一、

1. nicer / nicest

2. fatter / fattest

3. slower / slowest

4. drier / driest

5. happier / happiest

6. wetter / wettest

7. more / most

8. worse / worst

9. less / least

10. worse / worst

11. thinner / thinnest

12. farther / farthest 或 further / furthest

13. earlier / earliest

14. more careful / most careful

15. more exciting / most exciting

16. busier / busiest

二、

1. younger, taller       

2. tall   

3. fatter    

4. heavier

5. tall, tall, tall, shorter, shortest     

6. bad, worse, worst

7. kindest   

8.  friendlier       

9. more expensive

10. bigger, smaller    

11. longest 

12. more beautiful

13. big    

14. more difficult       

15. well, better, best

16. busiest  

17. fatter, fatter       

18. cheaper 

19. earlier

20. interesting

21. wider, brighter

22. much

23. more, better

24. more important   

25. more dangerous, most dangerous  

26 richest

27. coldest

28cheap

29hotter

30 more careful

31 More

32 easier

33smaller

34 farter [further]

35more exciting

36 more honest

37 worse, worse

38 colder

39 more, more difficult

40 fewer

四.交际用语：学习如何用英语描述和谈论我们生存的自然环境

Doyou like plants or animals?

Whatare you thinking about?

Whydo you think so?

Whatkind of wild animal is the most dangerous,the tiger,the snake or the bear?

Whymust we save every drop of water?

Ⅰ. 单项选择。（10分）

(    )1.All animals need _______ water.

        A.little             B.many             C.lot of           D.plentyof

(    )2.—You are standing toonear to the TV. Can you move a bit _______?

        —OK, Mom. Is it all right here?

        A.faster           B.slower           C.farther         D.nearer

(    )3.—Did you have breakfastthis morning?

        —No, I got up late and went to school _______breakfast.

        A.for              B.in                  C.without        D.after

(    )4.Your classroom is sodirty. Everyone should keep it _______.

        A.dry              B.open             C.quiet           D.clean

(    )5.There were _______ animalsin the forest many years ago.

        A.thousand of                         B.thousands of

        C.three thousand of                                       D.threethousands of

(    )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

(   )7.Blue whales are the largest and heaviest animals in the world, butthey _______ the smallest sea animals.

        A.feed in         B.live in            C.feed on       D.fedon

(    )8.—Zhou Fang, can you finish your homework better with_______ time?

        —I think I can.

        A.few             B.fewer            C.little             D.less

(    )9.As we know, water is veryimportant _______ us.

        A.of                B.to                  C.on               D.with

(    )10.Look! There is a rabbit,two _______ and two _______ in the picture.

        A.cows; sheeps                       B.mice; tiger   C.gooses; snakes  D.foxes; wolves

Ⅰ. 词汇。（10分）

(A)根据句意及首字母提示补全单词。

1.People can enjoy n_______ in thecountryside. The air is fresher and the sky is bluer there.

2.She c_______ the table with a clothyesterday.

3.In the o_______, there are all kinds offishes.

4.She was full of j_______ because herparents love her.

5.Thousands of old trees were in thef_______ ten years ago, but now there are few.

(B)根据句意及汉语提示填空。

6.These plants float on the _______ (表面) of the water.

7.My grandparents keep a lot of _______ (绵羊) in the countryside.

8.The fox usually _______ (以……为食) meat.

9.The teacher had no _______ (控制) over the children.

10.The rivers in the countryside are much_______ than those in the cities.

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