... MORE EXERCISES 4 (E 9 - Unit 6) Question 1 : Pick out the word that has the main stressed syllable different from the others A B C D 1. dynamite garbage environment pesticide 2. pollute prevent ... earth’s environment in many ways. Everyone is responsible for the earth’s pollution. If people are not interested in this serious problem, in a few decades, they won’t have enough pure water to ... save the environment. 1) For some last decades, there has been a complete protection. 2) The water pollution is mainly caused by garbage, pesticide, chemical, sewage. 3) The air pollution increases...