B. Read the text carefully, then choose the correct answers. More than two hundred years ago, the term 'environmental pollution was quite strange to people. They lived healthily, drank pure water, and breathed fresh air. Nowadays, the situation is quite different. People all over the world are worried about things that are happening to the envi Actually it is man that is destroying the surroundings with many kinds of wastes. Everybody knows that motorbikes and cars emit dangerous gases that cause poisonous air and cancer, but no one wants to travel on foot or by bicycle. Manufactures know that wastes from factories make water and soil polluted, but they do not want to spend a lot of their money on treating the wastes safely. Scattering garbage is bad for our health, but no one wants to spend time burying it. Is it worth talking a lot about pollution? 1. More than two hundred years ago a. the environment was polluted as much as it is today b. people knew nothing about environmental pollution c. air was polluted badly d. people were faced with pollution d. people were faced with pollution 2. Nowadays, many people are concerned about the b. the polluted water a.the poisonous air c. the wastes from the factories d. the environmental pollution 3. According to the passage, people know that mortorbikes and cars emit dangerous gases a. so they do not travel by motorbikes and cars b. so they prefer traveling by bicycles c. but they still prefer traveling by mbtorbikes. and cars d. and they enjoy traveling on foot 4. Factory owners a. know nothing about pollution b. pollute water and soil c spend a lot of money on treating wastes d. don't treat industrial waste safely 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