内容正文:
UNIT 8
I love nature!
Lesson 6 Understanding cultures:
Time on the earth
1
Warming up
3
1 Read the passage and write true (T) or false (F).
Our planet is about 4.6 billion years old. According to the latest research, humans appeared only 2.5 million years ago. If we shorten this into one day, humans appeared in the last two minutes. How did that happen?
Midnight on the earth started with a burst of volcanoes. Around 3 to 4 a.m., life appeared at the bottom of the oceans. At 6 p.m., water and sunlight began to provide energy for life. All kinds of plants started to grow. At 9 p.m., the earth gave birth to different creatures. At 11:30 p.m., dinosaurs appeared. They were one of the largest creatures in the history of the earth. The last 20 minutes of the day was the “busiest” time: after the age of dinosaurs, it was the age of all kinds of animals, including humans.
T
F
around 3 to 4 a.m.
life appeared
at 6 p.m.
water and sunlight began to provide energy; plants started to grow
at 9 p.m.
The earth gave birth to different creatures
at 11:30 p.m.
dinosaurs appeared
last 20 minutes
It was the age of all kinds of animals, including humans
2 Read the passage again and complete the table.
3 Work in pairs. Discuss the questions.
3 Do you know World Earth Day is on April 22 every year? It is an event that encourages people to save the earth. What kind of activities can you do to help save the earth? Talk in groups and share your ideas with your classmates.
Save the earth, save our home.
2
Practice
16
一、填空题
There are billions of ________ (star) in the universe.
According to the teacher, we need to do our homework _________(careful).
The cat _______ (give) birth to five kittens last week.
4. We can get __________(energy) from the sun.
stars
carefully
gave
energy
二、翻译
地球是一颗行星。
根据天气预报,明天会下雨。
她生了一个漂亮的宝宝。
房间里传来了一阵笑声。
我们需要节约能源。
The earth is a planet.
According to the weather forecast, it will rain tomorrow.
She gave birth to a beautiful baby.
A burst of laughter came from the room.
We need to save energy.
绿卡图书—走向成功的通行证
$