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喜马拉雅：英美混音的Estefania

🌟扩展单词短语

33'

1 try out… (on) 在…身上试验…
例：Can I try out the plan on you?
2 than 用于形容词比较级
3 square mile 平方英里 例：square meter 平方米
4 obviously adv. – obvious adj. 明显地（的）
5 answer n. 答案；v. 回答 反义词question the answer to the question这道问题的答案
6 quiz 小测试 例：quiz show 益智问答节目；quiz game 益智游戏
7. population 人口
Population density 人口密度

🌟重点句型

1 Which continent has the lowest population density?
短语：the lowest population density 最低的人口密度
the highest population density 最高的人口密度
2 Which is the highest mountain in the British Isles?
短语：the highest mountain最高的山
3 What is the longest river in the world? 短语：the longest river最长的河
4 The Nile is longer than the Amazon. 短语：be longer than … …比…长

🌟重点语法

形容词，副词比较级及最高级
（1） 形容词或副词变比较级和最高级的规则。比较级：+er，最高级，+est
形容词比较级及最高级的用法。
比较级：A+be/v.+比较级+than+B…：A比B……
A+be/v. +the 比较级+ of the two：A是两个里面比较……的。
Who/Which is +比较级， A or B? A和B之中哪个/谁更……？
最高级： A+be/v. +最高级+ of the+数词。 A是……个之中最……的。
A+ be/v. +最高级+范围（介词短语in…）。A是……里面/上面最……的。

❤️课堂练习
I. 选择。
( )1. What is the longest river in the world?
A. The Nile ​B. The Amazon
( )2. Which continent has the lowest population density?
A. Australia ​B. Antarctica
( )3. Pinocchio's nose is than Bush’s.
A. the longest ​B. long ​C. longer
( )4 Sharks are whales.
A. bigger than ​B. smaller ​C. smaller than ​D. bigger
( )5. Who is , Mr. Guo or Mr. Zhou?
A. cleverest ​B. cleverer ​C. clever
( )6. , their hair style looks the same.
A. obvious ​B. obviously ​C. Obviously
( )7 Their hair style looks the same. It’s .
A. obvious ​B. obviously ​C. Obviously
( )8. Who is ___________ of the two? Lucy.
A. oldest ​B. the oldest ​C. older ​D. old
( )9. My house is ________ of the four.
A. big ​B. biggest ​C. bigger ​D. the biggest
II.翻译。
1 哪个国家有最密集的人口？
Which country has ?
2 中国的哪座山最高？
is in China?
3. 中国最长的河是哪一条河？
is in China?
4. 这两个女孩谁更高？

5. 这三个人中谁最年轻？

III. 改错。在错误处划线，在后面改正过来。
1. Peter is the taller boy in his class. ________________
2. Which animal is strongest, the elephant or the tiger? ________________
3. Miss Wang is older of the ten teachers. ________________
4. I am thin than my sister. ________________
5. She is shortest of the two. ________________