Task 1. Read the text. For questions 4 a) (1-5), choose the correct answer (A, B, C or D   1.The majority of electricity in years to come will be generated by Aoffshore wind farms. Bpower plants using renewable energy. C burning fossil fuelsD residential and commercial buildings. —2.Which does the writer NOT consider challenge? A Electricity must be stored away from it was generatedB Renewable energy can't produce sufficient electricity. C The amount of energy produced is changeable. D Energy must be harvested from, as well as delivered to, properties. 3.Pumped hydroelectric facilities A are dependent on geography B are no longer in use. C don't store energy effectively D are unreliable4.What is TRUE about lithium-ion batteries? AThey can store more energy than any other device. B They are becoming less affordable. C They can cope with varying input and output. D They are very small. 5.What aspect of lithium-ion batteries is problematic? A their incompatibility-with pumped hydroelectric storageB their inability to regulate energy input C their high rates of energy waste D their incapability to charge quickly​