Fill in the blanks with the newly-formed words in Activity 4. Change the form where necessary. browser  messenger  consume  negotiation objection reaction constitution cultivation definition expansion concentrate civilize 1 Public opinion was becoming more ______  on environmental pollution problems； more and more people were discussing and arguing about them. 2 Martin Luther King is a(n) ___________who worked for peace； he has shown the Western world that a struggle can be waged without violence. 3 Every man ought not to steal, cheat, or destroy the property of others. There is no place for this sort of behavior in a(n)_________   society. 4 The right to pursue happiness is promised to Americans by the US__________  , but nowadays no one seems quite sure what exactly is meant by happiness. 5 You will need to replace your old___________   and install a new one. You will need this new software to view web pages. 6 Rock music appealed to Sandy so much that she turned up the volume on her player; paying no anention to her father's____________ 7 As a college student, you should learn things extensively and aim for a(n) _____________ of knowledge well beyond your area of specialization. 8 Because women care much about their appearance and restrict their diet in an effort to control weight, they may not ____________  enough iron-rich food. 9 The problem is that most students don't really know the exact  ___________of plagiarism (剽窃)or its consequences, so they don't consider it a serious crime. 10 Garden__________  of roses began about 5,000 years ago. They were used at celebrations, for medical purposes, and as a source of perfume. 11 The talks next week will focus on economic development of the region and our immediate______  to the ever-worsening condition of the environment. 12 The __________ on the trade disputes between the two super large companies went on for years as neither side would give in.