Some of the most efficient refrigerators ( ) 70 percent less electricity than traditional models.

Purchasers of refrigerators enjoy free ________ . A: to delivery B: delivery C: deliverying D: to deliverying

Even if they are on sale, the refrigerators are equal in price to, if not more expensive than （） at the other store. A: anyone B: the others C: the ones D: that

Several studies have shown that refrigerators consume more electricity than any other kitchen ______. A: applications B: instruments C: appliances D: apparatus

Thanks to the refrigerators we have at home, food doesn’t<br/>______ so quickly. () A: make it B: fall ill C: go bad D: make history

中国大学MOOC: The company has announced that it has invented a large power pack to run home ___ like refrigerators and washing machines when the electricity goes out.

A.consume B.assumption C. presumeSome of the most efficient refrigerators _____70 percent less electricity than traditional models.I ____ that this is your final answer.Their ____ that the war would end quickly was proved wrong.

原文:Even when we turn off the beside lamp and are fast asleep, electricity is working for us, driving our refrigerators, heating our water, or keeping our rooms air-conditioned.译文:即使我们关掉床头灯睡觉,电仍然在为我们工作,如启动电冰箱,把水加热,或让室内空调持续开着

turning on turned out turned down turn over turned off 1) She all the job offers and is currently planning to be a housewife. 2) To my surprise, the house they had offered us to be a tiny apartment. 3) We should the page and let it go. Anyway, tomorrow is another day. 4) Why are you all me ? We are supposed to be a team, to think as one, to fight as one. 5) Most magnets (磁铁), like the ones on many refrigerators, cannot be ; they are called permenent magnets.

revise the following paragraphThis paragraph uses only simple sentences. Not onlyis it monotonous to read, but the author has also failed to give the reader clues about whatis the most important information. In order to fix this paragraph,you need to determine which ideas are foundational to the paragraph and which simply provide examples. By subordinating some ideas,you will be able to create variety and emphasize key ideas.Keeping things cool is one of the best inventions of this century. Air conditioners keep houses cool. Refrigerators keep food cold. Temperature controls keep cars cool. This may seem expensive. It requires a lot of electricity. Power is a commodity. Really, it saves money. Food lasts longer. People are more productive. Transportation is more effective. The ability to control cold is clearly important.