unit7What is the highest mountain in the world一课时

Unit 7

What’s the highest mountain in the world?

How to read numbers in English?第一个逗点读“thousand”,第二个逗点读 “million”,第三个逗点读"billion"one thousand, two hundred and thirty-four 1,234 读作： 4,567,809 读作：four million, five hundred and sixty-seven thousand,eight hundred and nine 5,678,120,000 读作： five billion, six hundred and seventy-eight million, one hundred and twenty thousand

0.4 = zero point four 12.34 = twelve point three four 1900年读作 nineteen hundred 1800年读作 eighteen hundred 1809年读作 eighteen O nine 2000年读作 two thousand 2008年读作 two thousand and eight(或 twenty O eight) 1008年读作 one thousand and eight(或ten O eight)

Language Goal: Talk about geography and nature

1a. Match the facts you know.Qomolangma about 9,600,000 square kilometers in size The Sahara The Caspian Sea The Nile 1,025 meters deep 6,671 kilometers long 8,844.43 meters high

1b. Listen and complete the sentences.higher than any other 1. Qomolangma is ________ mountain in the world. 2. The Sahara is __________ the biggest desert in the world. the deepest of all the 3. The Caspian Sea is __________ salt lakes. the longest river in the world. 4. The Nile is ___________

1c. Use the information in 1b to make conversations.A: What is the highest mountain in the

world?B: Qomolangma.

A: What is the biggest desert in the world? B: The Sahara. A: What is the deepest salt lake in the world? B: The Caspian sea.

A: What is the longest river in theworld?

B: The Nile.

2a. Listen and number the facts [ 1-4] in the order you hear them.6,300______

5,000

5,464

300

4 The Yangtze River is about ________kilometers long and the Yellow River is __________ kilometers long.

____ 2 China has the biggest population in the world. It’s a lot bigger than the population

of the US.

____ 1 China is over ________ years old. It has a much longer history than the US. The

US is not even_______ years old.

3 China is almost as big as the US, and it ____is the biggest country in Asia.

2b. Listen again and fill in the blanks in 2a with the numbers in the box.6,300______

5,000

5,464

300

4 The Yangtze River is about ________ 6,300kilometers long and the Yellow River is

5,464 __________ kilometers long.____ 2 China has the biggest population in the world. It’s a lot bigger than the population

of the US.

____ 1 China is over ________ 5,000 years old. It has a much longer history than the US. The

US is not even_______ 300 years old.

3 China is almost as big as the US, and it ____is the biggest country in Asia.

2c. Make conversations using the information in 2a.

A: Did you know that China is one of theoldest countries in the world?

B: Yes, I did. It’s much older than mycountry.

1. good 2. comfortable 3. big 4. happy 5. cheap 6. many 7. difficult 8. Little 9.bad 10.high 11.deep

better more ~ bigger happier

best most ~ biggest happiest

c

heaper more more ~ lessworsehigher

cheapest most most ~ leastworsthighest

deeper

deepest

二 根据所给词的适当形式填空1. Lily gets up ______ earlier (early) than Lucy. more slowly(slowly), 2. Which goes __________ Tom or Jim?

more interesting 3.This book is _______________(interesting) than that one.

the most carefully 4. She works ________________

(careful) in her school.5. Who goes to bed _________ (late) latest

Jim, Tom or Jack?the most delicious 6. I think turkey is ________________ (delicious) of all.

A: What is the highest mountain in the world? B: Qomolangma. A: What is the biggest desert in the world? B: The Sahara. A: What is the deepest salt lake in the world? B: The Caspian sea. A: What is the longest river in the world? B: The Nile.