W hile no single discovery has had the kind of effect on our relationship to the earth that nuclear weapons have had on our relationship to warfare, it is nevertheless true that taken together, they pletely transformed our cumulative ability to exploit the earth for sustenance —— making the consequences of unrestrained exploitation every bit as unthinkable as the consequences of unrestrained nuclear war. P art IV Writing 30% (60 minutes) S ection AD irections: you are advised to write an essay more than 100 words. ” Nowadays people spend too much of their spare time indoors ”. How far do you agree with this statement? (10%) S ection B“ Good fences make good neighbours ”. Explain the implications of this statement. Write more than 200 words. (20% ) ------------------- T he End-------------