WHAT CAN BE INFERRED FROM THE LAST PARAGRAPH

56. What can be inferred from the last paragraph?A. Hydroelectric power will be the main source of energyB. Synthetic fuels will be the principal source of alternative energyC. Alternative energy will come from a variety of sourcesD. All alternative production of energy will be delivered from water.II. Choose the correct letter A, B, C or D that best fits the blank in the passage.Speech is one of the most important (57)___ of communicating .It consists of far more thanjust making noises. To talk and also to (58)____ by other people, we have to speak alanguage, that is, we have to use combinations of (59)____that everyone agrees to stand for aparticular object or idea. Communication would be impossible if everyone made up theirown language. Learning a language properly is very( 60)___. The basic( 61)____of English isnot very large, and only about 2,000 words are needed to speak it quite (62)___.But the moreidea you can (63)____ the more precise you can be about their exact meaning. Words are the(64)____thing we use in communicating what we want to say. The way we( 65)____the wordsis also very important. Our tone of voice can express many emotions and ( 66)____whetherwe are pleased or angry, for instance.