- 01. The [proliferation] of nuclear weapons endangers all life on our planet.02. There has been a [proliferation] of English Second Language schools in our city over the last ten years, and students have to be careful to choose one that is legitimate.03. Cell phones have [proliferated] at an alarming rate, and many people are concerned that not enough attention has been paid to potential health risks.04. A Pakistani scientist is believed to be behind the [proliferation] of nuclear weapons in places such as Libya and Iran.05. In recent months, the [proliferation] of weapons of mass destruction has become the major concern of the international community.06. The [proliferation] of illegal drugs in this country has become a serious social problem.07. A CIA report has suggested that China is responsible for the [proliferation] of nuclear, chemical and biological weapon-related equipment and missile systems in unstable regions of the world.08. Scientists have produced a drug which is given to cows to aid in the [proliferation] of certain cells responsible for producing milk.09. Wireless Internet hotspots have [proliferated], so nowadays you can now go online in many public buildings and private businesses.10. The 21st century has witnessed the development of a [proliferation] of artistic styles and expanding definitions of what constitutes art.11. Insects [proliferate] very rapidly under the right conditions.12. There has been an incredible [proliferation] in Internet porn sites since the Worldwide Web was established.13. Cancers form when there is an abnormal [proliferation] of certain types of cells.14. William Cohen, American secretary of defense, once stated, "I believe the [proliferation] of weapons of mass destruction presents the greatest threat that the world has ever known."15. Andy Rooney once suggested that Republicans believe that there would be fewer poor people to feel sorry for if the government did not encourage the [proliferation] of the least fit among us with welfare programs.
Grammatical examples in English. 2013.