1. Choose the words that have the different stress from the others.

1. A. chemist B. browser C. technique D. programme

2. A. aspect B. advance C. spaceship D. progress (n)

3. A. reality B. unable C. enormous D. benefit

4. A. explorer B. physicist C. scientist D. telephone

5. A. experiment B. biologist C. ordinary D. development

1. Underline the incorrect verb form.

1. I am playing/will play tennis at 11.00 this morning

2.Oh, I need to make a quick phone call.

OK. I am waiting/will wait for you hhere.

3.We need to discuss this. Are you doing/Will you do anything tomorrow?

EX1: Fill in the blank with one suitable word from the box.

symbolise Debris collapsed permanent

mudslide spectacles thermal radioactive

1. Linda wants to admire all the amazing ......................... round the world

2. The dam had almost .................... by the time the flood came

3. Last week, twenty houses were away by the .......................

4. .................... was scattered across the river by the tornado this morning.

5. In the most serious case, noise pollution can cause ................ hearing loss.

6. Some aquatic animals must change their habitats due to ................. pollution

7. .................... endangers living creatures and environment

8. The Big Ben in London was chosen to ........................ the United Kingdom.

Giá trị của than nâu

trữ lượng, phân bố, giá trị của than nâu

trữ lượng, phân bố, giá trị của than nâu

C1:Tính và so sánh % Fe trong hai hợp chất

Fe₂O₃ và FeCO₃