Câu hỏi:
18/01/2021 3,188Choose the word (A, B, C or D) that best fits the blank space in the following passage
There are many ways to cut the (19) ___ of your power bill in your home. Take a look at the way we choose computers (a laptop or a desktop computer). A laptop is a computer that is small enough (20) ___ carried around easily and is flat when closed. While a desktop computer is the one that fits on a desk but that is not easily moved from place to place.
Regardless of their convenience difference, choosing a laptop or a desktop computer may result in a significant difference in energy (21) ___. I’m writing this by using a laptop with power (22) ___ features switched on – using around 50 watts maximum. Back some years ago, I would work with a desktop computer with a 17” CRT screen – around 300 watts all told.
The following are some rough (23) ___ bassed on coal fired power generation for just the computer aspect:
- Laptop = 50w x 10 hours a day x 365 days = 182.5 kilowatt hours
- Desktop = 300w x 10 hours a day x 365 = 1095 kilowatt hours
In the case of coal fired electricity, each kilowatt you save not only puts (24) ___ back into your pockets, but also avoids up to 1.5 pounds of carbon dioxide emissions being generated.
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Trả lời:
Giải bởi Vietjack
Đáp án
A
Nhà sách VIETJACK:
CÂU HỎI HOT CÙNG CHỦ ĐỀ
Câu 1:
Rewrite each of the following sentences in another way so that it means almost the same as the sentence printed before it
Nowadays young people pay more attention to traditional festival than they did some years ago.
→ Some years back young
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Câu 2:
Choose the word/phrase (A, B, C or D) that best fits the space in each sentence
Internet users often suffer various risks, such as spam or ____ junk mail.
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06/02/2021
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Câu 3:
Rewrite each of the following sentences in another way so that it means almost the same as the sentence printed before it.
Drivers and passagers must fasten the seat belt when travelling in cars.
→ It is compulsory for __________________________________
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11/07/2024
8,838
Câu 4:
Choose the word/phrase (A, B, C or D) that best fits the space in each sentence
The whole incident was captured ____ CCTV at the shopping mall yesterday.
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06/02/2021
7,185
Câu 5:
Rewrite each of the following sentences in another way so that it means almost the same as the sentence printed before it
We should teach young children to care for the environment.
→ I suggest young children
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11/07/2024
6,357
Câu 6:
Rewrite each of the following sentences in another way so that it means almost the same as the sentence printed before it.
This is the first time they have experienced the wonderful feeling in space.
→ They have never
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11/07/2024
5,754
Câu 7:
Rearrange the groups of words in a correct order to make complete sentences.
India, downing trees / and power lines, causing / has hit / widespread damage / a powerful cyclone /./
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