5. Some countries have tired to jump-start the market of heat pumps by_________. (A)upgrading the equipment (B)encouraging investments (C) implementing high-tech (D) providing subsidies

7. Global residential power consumption can be cut by 43 percent if________. (A)we increase the insulation of walls and water pipes (B)we choose simpler models of electrical appliances (C) we cut down on the use of refrigerators and other white goods (D) we choose the most efficient models of refrigerators and other white goods

5. Some countries have tired to jump-start the market of heat pumps by_________. (A)upgrading the equipment (B)encouraging investments (C) implementing high-tech (D) providing subsidies

其他試題

5. Some countries have tired to jump-start the market of heat pumps by_________.
(A)upgrading the equipment
(B)encouraging investments
(C) implementing high-tech
(D) providing subsidies