The energy, gas and water bills can be saved not only by 9)________________ on and off and controlling electrical appliances,
举一反三
- The Smart Parking Project allows you to 1)_____________ in advance in public or private areas. It2) ____________ drivers to spend less time looking for parking and reduces air pollution.The Smart Home 3) _______ achieve automated and sustainable living. The energy, gas and water bills can be saved not only by 4)________________ on and off and controlling 5) _____________________ , but also by the insights into consumers' habits.[音频]
- Only usance bills can be accepted.
- Objects can possess energy as __________. (a) endothermic energy <br/>(b) potential energy <br/>(c) kinetic energy A: a only B: b only C: c only D: a and c E: b and c
- We will have this electrical appliances on time。(deliver)
- electrical energy