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《Unit 4 Creatures large and small》PPT课件优质课下载
pest-killer / enemies of insects
friends of humans
hibernate
spit out silk
elastic
web-weaver
A reporter’s investigation work
Our aims at the end of the class should be:
Gather opinions and detailed information about spiders
Write a report about spiders
Skim L1--8
What do Betty and Winston think of spiders?
Task 1
People’s impression of spiders
Insect or not？Why?
Task 2
The Truth about Spiders
Spiders may look like insects, but are very different from them.
One difference between a spider and an insect is that a spider’s body is divided into two parts, the head and the abdomen(腹部). Insects have a third part, called the thorax(胸部). Additionally, spiders have eight legs, while insects have only six.
Task 2
Insect or not？why?
The differences
8 legs;
6 legs;
spiders