Presentation on theme: "cockroachbutterflybee dragonflymosquitograsshopper B1: Do you know the names of these creatures? Match the words with the pictures."— Presentation transcript:
cockroachbutterflybee dragonflymosquitograsshopper 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 weak tough 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 ones attention 4. be helpful to 5. play an important role in 6. in reality 7. try ones best to do sth. 8. keep... healthy …… …… ……
If you are running a pet shop, what insects would you like to sell? Tell the reason.