- **B. takes**:主语通常为形式主语“it”(如“It takes time...”),此处主语非“it”,不符合。- **C. spend**:主语需为人(如“I spend money...”),主语为水电费时错误。- **D. pay**:主语为人(如“I pay for...”),主语非人,排除。 正确选项为**A. cost**。
Cost of electricity Average usage per month Average monthly electricity bill Alabama $0.15 1,646 kWh $246.90 Arizona $0.15 1,555 kWh $233.25 California $0.35 831 kWh $290.85 Colorado $0.15 947 kWh $142.05 Connecticut $0.31 1,052 kWh $326.12 D.C. $0.16 1,046 kWh $167.36 Delaware ...
Exercise #1. Go get your electricity bill and see how many kilowatt hours you used last month.Exercise #2. Assume that the lights in your kitchen and living room together use 400 watts. How much does it cost if the lights are on 24 hours a day, for a whole month? How much per ...
With demand charges, you will still likely see a high energy bill even if you don’t use that much electricity over a month but use all of your appliances at once during a few hours of the week. It’s because you are being charged based on the most power you use at a given time...
tell you how much electricity your heat pump use (kWh per hour, kWh per day, and kWh per month). Additionally, the heat pump running cost calculators will tell you how much does it cost to run a heat pump; you only need to specify the electricity price per kWh ($/kWh) in your ...
How much you spend may hinge on other factors, like the electrical infrastructure in your home. The cost could creep into the thousands, Barry said, if you have to do more heavy lifting, like digging trenches to lay down wires. "If you live in a new construction home, or if you have...
Some people think they have the right to use as much fresh water as they want, while others believe governments should tightly control the use of fresh water as it is a limited resource. Discuss both views and give your opinion. Give reasons for your answer and include any relevant examples...
Ready to see how much you would save with home solar, and its impact on your electricity meter? Get a free estimate of how much you can save by going solar with Palmetto, and connect with a solar expert who will help you select the best option for your family’s energy needs. Frequent...
10 kW of power refers to how much energy a system can generate at an instant in time. So more concretely, 10 kW of power would be the capacity of a generator to produce 10 “kilowatt hours” of electricity each hour. This means that if energy producing device is allowed to run consta...
Ice cooling systems are one way that businesses are combating high electricity costs during the summer. Ice cooling is as simple as it sounds. Large tanks of water freeze into ice at night, when energy demands are lower. The next day, a system much like a conventional air conditioner pumps...