题型：语法填空（语篇） 题类：常考题 难易度：困难
辽宁省抚顺市第一中学2020届高三上学期英语期中考试试卷
A hotel chain is employing human bed warmers to help guests get a good night's sleep. (dress) in special all-in-one sleeping suits, the walking electric blankets are sent to warm the beds of guests staying at the Holiday Inn they get under the covers.
Dr Chris Idzikowski, (direct) of the Edinburgh Sleep Centre, said the idea could help people get off to sleep. He (explain) that "There's plenty of scientific evidence to show that sleep starts at the beginning of the night body temperature starts to drop. The drop occurs partly because the blood vessels (血管) the hands, face and feet open up and release heat." "A warm bed –approximately 20 to 24 degrees Celsuis –is good way to start this process while a cold bed isn't. It helps people sleep well especially as it's taking much (long) for them to warm up when they come in from the snow."
Dr Chris Idzikowski and (he) colleague Jane Bednall said the idea was like "having a giant hot water bottle in your bed". The five-minute free bed warming sessions will be tried out in London and Manchester the end of next month.
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