类型:英语语法                  
                时间:2022-04-14                  
                点击量622            
            
                                                                   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
二.重点句型
1.
Plants are more 
beautiful than 
animals. 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 all 
plants.It is the most 
important things:所有物;用具;情况" target="_blank">thing to all 
living things,we must save 
every drop 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?
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—morecareful—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AB,经常与than搭配,或给出比较的二个内容。可用much和a 
little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。
②
Plants are much more 
beautiful than 
animals.植物比动物漂亮的多。
(2)例句:①The boy is the 
tallest in my 
class.这个男孩是我们班最高的。
②
Lesson Two is the most 
important of all.第二课是所有中最重要的。
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
Do you like 
plants or 
animals?
 What are you 
thinking about?
Why do you 
think so?                                                                   
            
                
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