HE IS VERY INTELLIGENT. HE CAN SOLVE ALL THE PROBLEMS IN NO TIME. A....

Câu 15: He is very intelligent. He can solve all the problems in no time. A. So intelligent is he that he can solve all the problems in no time. B. He is very intelligent that he can solve all the problems in no time. C. An intelligent student is he that he can solve all the problems in no time. D. So intelligent he is that he can solve all the problems in no time. Read the following passage and choose the correct answer (A, B, C or D) to fill in each of the blank spaces below People use energy each day for transportation, (16)_________ , heating and cooling rooms, manufacturing, lighting, entertainment , and many other uses. The choices people make about how they use energy – turning machines off when they’re not using them or choosing to buy fuel-efficient vehicles and energy-efficient appliances – affects the environment and everyone’s lives. What is the difference (17)_________ energy conservation and energy efficiency? Energy efficiency is using technology that requires less energy to perform the same function. Using a compact fluorescent light bulb that requires less energy instead (18)_______ using an incandescent bulb to produce the same amount of light is an example of energy efficiency. Energy conservation is any behavior that results in the use of less energy. (19)________ the lights off when leaving the room and recycling aluminum cans are both ways of conserving (20)_________.