内容正文:
SB1U5 Revealing nature
Starting out (page 65)
1 What do you know about these animals?
What makes them special?
2 What other similar animals do you know
about? Share your knowledge with the
class.
Look and answer
Look at the page from a science magazine
and answer the questions.(P65-1)
Komodo dragon:(科莫多巨晰)
Komodo dragons were first encountered by Western researchers in 1910. The ancestor of the Komodo dragon most likely evolved in Australia, then, reaching the Indonesian 900000 years ago.
an animal that lived in the past which a modern animal has developed from
v.遭遇(近:meet with, run into)
偶遇,邂逅(近:come across)
v.进化
The Komodo dragon
The Komodo dragon is the largest lizard in the world. It can grow to three metres in length and weigh about 135 kilograms. Despite its size and weight, it can run at up to 20 kilometres per hour.
Duck-billed platypus(鸭嘴兽)
The first scientists to examine a preserved(保藏的) platypus body judged it a fake in the late 18th century. The oldest discovered fossil of the modern platypus dates back to about 100,000 years ago.
v.保护,维护,贮存
n. 动物保护区
=date from追溯到
6
The duck-billed platypus is a small egg-laying mammal (up to 60 cm in length) found only in Eastern Australia including Tasmania. As its name suggests, it has a mouth that looks like a duck`s bill, while its thick fur and flat tail are similar to those of a beaver(海狸).
7
Duck-billed platypus:
The oldest discovered fossil of the modern platypus dates back to 100000 years ago.
Nautilus(鹦鹉螺)
Fossil(化石) records indicate that the nautilus has survived relatively(相当地,相对地) unchanged for around 500 million years. That is why it is often given the name “living fossil.”
9
1 What do you know about these animals?
What makes them special?
Look and answer
Look at the page from a science magazine
and answer the questions.(P65-1)
They are all species that exit thousands of years on earth; They are old and rare (unusual).
2 What other similar animals do you know
about? Shar