Question 19: Having read the report on how the burning of petrol in cars __ decided to sell our car and get a bicycle instead. A. attributes B. contributes C. introduces D. distributes Question 20: The government has pledged to clean up industrial __ A. emissions B. emit C. emitted D. emissive Question 21: The country's entire grain harvest has been hit by a __ A. brought B. fought C. drought D. sought Question 22: Scientists worry about the __ ofmany species of plants and animals from our planet. A. eruption B. destruction C. erosion D. disappearance Question 23: __ - reducing climate change - involves reducing the flow of heat-trapping greenhouse gases into the atmosphere, either by reducing sources of these gases or enhancing the "sinks" that accumulate and store these gases. A. Reduction B. Mitigation C. Limitation D. enhancement Question 24: The goal of mitigation is to avoid dangerous human __ with the climate system and stabilize greenhouse gas levels in a timeframe sufficient to allow ecosystems to adapt naturally to climate change. A. independence B. interference C. indication D. interruption Question 25: Throughout history, people and societies have adjusted to and coped with changes in climate and extremes with __ degrees of success A. various B. varied C. varying D. variable Question 26: In the __ of national or international climate policy direction cities and local communities around the world have been focusing on solving their own climate problems. A. absence B. ignorance C. delimitation D. concentration Question 27: With clear __ hiscompany couldn't deny having dumped a large quantity of toxins into the sea. A. evidence B. proof C. investigation D. examination Question 28: He was suspected __ having received presents from the local companies and ignored their violations of the environmental law. A. about B. on C. of D. for Question 29: For many years now, __ have attempted to protect the environment by making businesses responsible for making sure that the chemical they use don't add to the destruction of the environment. A. politicians B. politics C. parties D. residents Question 30: The problem for businesses is that the __ of the environment costs money, and businesses will always try to lower their costs if they can. A. production B. protection C. destruction D. deforestation Question 31: Although government __ may try to catch them doing it, it can be very difficult to get proof that a particular business is responsible for an environmental problem. A. suspicion B. suspect C. inspection D. inspectors Question 32: Global warming will __ make life harder, not easier, for most people A. probably B. impossibly C. unlikely D. possibly