1. Sample Text 1

 

  1. Since a global society of low CO2 emitters requires tremendous effort, it requires a shared ethical basis so that a comprehensive solution can emerge. Since politicians cannot be trusted, business and citizens must get involved in the efforts to save the planet’s climate.
  2. A global society of low CO2 emitters requires tremendous effort, and a shared ethical basis. It is a scientific and ethical imperative that not only politicians but business and citizens are involved to save the planet’s climate.
  3. Since a global society of low CO2 emitters requires tremendous effort, it requires a shared ethical basis on which a comprehensive solution can emerge. It is imperative that not only politicians but business and citizens are involved to save the planet’s climate.
  4. Tremendous efforts and a shared ethical basis are required for sustainable global society of low CO2 emitters that can negotiate a comprehensive solution to climate change. It is imperative that nations and citizens work together to save the planet’s climate.

Show Answer

  D

 

2. Sample Text 2

 

  1. As a power source the difficulty of hydrogen enterprise is the difficulty in storing and distributing it because of its lightness.
  2. The difficulty that hydrogen enterprise faces is storing and distribution, as hydrogen atoms are the smallest and the lightest and can escape through the structure of even solid steel.
  3. Storing and distributing hydrogen is difficult as it is made up of the smallest and lightest atoms will leak through the weak spots even through walls several centimeters thick.
  4. Hydrogen enterprise cannot succeed as storing and distributing it is a formidable challenge because it can leak through even steel four times faster than helium.

Show Answer

  B

 

3. Sample Text 3

 

  1. According to Charles Darwin, when a species evolves excesses that have nothing to do with survival they are generally male and useful to fight off the other male.
  2. The plumage of peacocks and the stag’s antlers, according to Charles Darwin, have little to do with survival but are evolutionary male excesses to possess the female.
  3. Bright colours or oversize horns, according to Charles Darwin, are evolutionary excesses unrelated to individual survival but help the male in the struggle to possess the female.
  4. Charles Darwin defined the plumage of peacocks and the stag’s antlers as excesses in the struggle between members of one sex to possess the other.

Show Answer

  C

 

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EXERCISE-1                                                                                                                                                        EXERCISE-3