anh.

2. Circle the letter before the words which has the main stress pronounced differently from the others.

• . A. consequence

• B. temperature

• C. atmosphere

• D. renewable

2. Circle the letter before the words which has the main stress pronounced differently from the others.

• A. healthy

• problem

• mental

• amount

Circle the letter before the words which has the underlined part pronounced differently from the others.

• A. health 

• enthusiasm     

• strength

• without

. Circle the letter before the words which has the main stress pronounced differently from the others.

• A. volunteer

• . develop

• experience     

• pollution

We should eat more vegetables and fruits to stay __________

• A. health

• B. healthy

• C. unhealthy

• D. healthily

The medical authorities warned everyone not to drink the water without __________ it.

• A. being boiled

• B. boiling

• C. having boiled

• D. having to boil

Would you mind __________?

• A. that I am reading aloud

• B. explaining it once again, please         

• C. what causes you a lot of trouble

• D. to bring the books back by tomorrow

  People will mainly use __________ fuels such as wind and sun energy for transport.

• A. fossil  

• . non-renewable

• . effective

• renewable

 The overuse of __________ fertilizers and deforestation contribute to global warming.

•         A. chemist      

• B. chemistry

• C. chemical

•         D. chemist’s

 Each generation is likely to have different thoughts about how the family __________ interact.

• A should 

• B. must

• C. have to

• D. could