Read the text below and answer 25 questions that follow: In the last few decades, humanity has __(1)__ a brand-new world; one in which slow changes, such as climate alteration and population growth __(2)__ much greater threats than dangerous animals. With their huge increase in numbers, humans have become the dominant creatures on the planet, quite capable __(3)__ changing the Earth dramatically. __(4)__ a result, the question of long-term survival is now measured __(5)__ tens not thousands of years. In addition, inappropriate behaviour by the industrialized __(6)__ is threatening the global environment.
But human beings do not __(7)__ recognize the need Read moreto adjust their lives to help others who live thousands of kilometres away. That __(8)__ people must change their behaviour to allow everyone on the planet to lead a decent __(9)__ is not what evolution has prepared us to accept readily. It is not __(10)__ that homo sapiens has brought its old mind into the new world. After all, biological __(11)__ would require many thousands of generations to adjust the old viewpoints to new situations, __(12)__ world-scale problems have only appeared in the last one or two generations.
So, if __(13)__ has to __(14)__ with the population explosion and the other elements of the greatest __(15)__ it has faced in historic times, it will have to do so through cultural evolution. Cultural evolution consists of __(16)__ in the body of non-genetic information which is passed from person to __(17)__ and generation to generation. Cultural information, unlike the __(18)__ information coded
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