1. What was strange to people more than two hundred years ago?

      A. Environment                                                          B. Environmental pollution 

      C. Pure water                                                              D. Fresh air

2. How did people live in the past?

      A. They lived healthily  B. They breathed fresh air

      C. They drank pure water                                           D. All of these

3. Who is destroying the surroundings nowadays?

      A. The environment itself                                           B. People from other planets       

      C. It is man                                                                 D. Animals

4. Is scattering garbage good or bad for our health?

      A. Yes, it is                    B. No, it isn’t                       C. It is good                         D. It is bad

5. Which of the followings is not true?

      A. in former days, people led a healthy life.

      B. People have no awareness of the dangerous of pollution

      C. Water is now heavily contaminated by industrial waste                                    

      D. It's harmful for our health if rubbish is spreaded over our areas

traditional

happily

excited

performance

financial

different

Luckily

Người Dưng（︶^︶） off bây giờ nè -.-

bánh mì chấm mắm tôm🏃 mấy nay chị bận ôn thi á :(( chắc từ giờ cũng ít on à

Người Dưng（︶^︶） ai chiếm đâu =))

bấm máy tính sao sai được -.-

C

235

B