Nội Dung Chính
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👉 LANGUAGE
Pronunciation
Escape the maze by connecting all the words with stress on the FIRST syllable. Follow the example. Then listen to check your answers. Practise saying the words. 🎧
Start -> increase (n) -> memory (n) -> present (v) -> invention (n) -> present (n) -> internet (n) -> advantage (n) -> increase (v) -> holiday (n) -> charity (n) -> telephone (n) -> benefit (n) -> Finish
Vocabulary
1. What are the missing letters? Complete the sentences using the pictures to help you. The first word is done for you.
Example:
Smartphones 
allow us to get access to the Internet anywhere.
1. Modern de_____
have changed the way we commu_____
.
2. To help poor people, you can don_____
money to a charity. You can also become a vo_____ 
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2. Complete the sentences using these words. There are some extra ones.
useful useless interested
interesting careful careless
1. Many _____ inventions in the world are the results of hard work and experiments.
2. Things such as old clothes or toys seem _____, but you can donate them to charity. Some poor people may be _____ in them.
Grammar
Read the text and circle the correct answers.
Inventions and discoveries by accident!
The invention or discovery of something is not always the result of careful experiments. Sometimes, luck can help scientists (1) finding / find new things. Below are some famous examples.
Gravity: (2) Discover / Discovering the law of gravity is probably the most famous example. Isaac Newton (3) sat / was sitting under an apple tree when an apple (4) fell / was falling on his head. He realised that something made apples fall straight to the ground. That was gravity!
Penicillin: Alexander Fleming came back from his holiday. He (5) was cleaning / cleaned his laboratory when he (6) discovered / was discovering something at the window. That was penicillin! Since then, doctors (7) used / have used penicillin around the world to save millions of lives.
Popsicles: In 1905, 11-year-old Frank Epperson decided (8) to make / making himself a soft drink. When he finished (9) make / making the drink, he left it outside with the wooden stick inside it. That night, the drink froze in cold weather and thanks to this 'accident', popsicles were later invented!
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