Upload
maria-mccann
View
216
Download
0
Tags:
Embed Size (px)
Citation preview
cockroach
butterfly bee
dragonfly
mosquito
grasshopper
B1: Do you know the names of these creatures?
Match the words with the pictures.
• What are these small creatures in common?
They all have six legs and a three-part body.
• What do you think of insects?
• Are insects tough creatures?
Read Para.1 and answer:
B2: Read the article and complete the notes.
1. Insects look ____________, but they are actually ___________.
2. Insects have ___________ and their bodies are _____________________.
3. They have feelers to __________________.
4. They have ________ to protect themselves.
5.Some insects are ________ and some are
_________.
small and weaktough creatures
six legs
divided into three parts
feel and touch things
hard shells
harmful
helpful
B2: Read the article and complete the notes.
6. Harmful insects cause
__________________.
7. Helpful insects supply useful things like
___________________. They also play an
important role in _______________.
8. Insects can breed _______.
a lot of damage
honey and silk
agriculture
rapidly
Read the article about insects and compare harmful insects with helpful insects and think about: What do harmful insects do?
What do helpful insects do?
What do people do?
Read the article about insects and compare harmful
insects with helpful insects.
Harmful insects
What do harmful insects do?
1. They feed on (1)________and spread
(2) ___________.
2. They destroy (3) ______________________ and
houses.
human blood
diseases
clothes, books, furniture
3. They destroy farmers’ (4) _______.
What do people do?
They try their best to (5) _______________
these insects.
crops
kill and control
Helpful insects
What do helpful insects do?
1. They produce (6) ___________, such as honey and
silk.
2. They gather nectar and spread (7) ___________
______ to help (8) _____________.
What do people do?
They (9) _________________________ such as honey
bees and silkworms for (10) __________ years.
useful things
keep crops
healthy
have raised helpful insects
thousands of
pollen
1. be divided into
2. feed on
3. attract one’s attention
4. be helpful to
5. play an important role in
6. in reality
7. try one’s best to do sth.
8. keep ... healthy
被分成以……为食吸引某人的注意力对……有益在……起重要的作用在现实中尽力做某事使……健康
If you are running a pet shop, what insects would you like to sell? Tell the reason.