A. B. C. D 相关知识点: 试题来源: 解析 B 该题您未回答:х 该问题分值: 1 答案:B 在“It is required that…”句型中that从句中要用虚拟语气,其表示方法是should do。类似的还有“It is desired that…”,“It is suggested that…”,“It is ordered that…”等。反馈...
The secret of “the layering system” exists in what we cannot see: air. Surprisingly, air is a great insulator (绝缘体) . When we layer clothes on top of each other, we are trapping air between the layers. Our body heat then warms the air and the layers keep that cozy space contai...
根据第二段“Surprisingly, air is a great insulator(绝缘体) . When we layer clothes on top of each other, we are trapping air between the layers. Our body heat then warms the air and the layers keep that cozy space contained next to our skin. That’s why you get hotter as your ...
speaking very fuzzy speakoutonamatterofpr speakto speakintothetelephone spear shall be shaken spear trap spearhead forward spearman two factor t spec specification specspecifications speciaktorts special air nuzzle special analysis and special assistant to special award of meri special basin special bearin...
special-asset audit special-purpose vehel special-typenbsp special-use fiber specialairservice specialassessmentbond specialcommitteeonenh specialcommitteeonthe specialdedicated specialdepositary specialdespatchservic specialdrawingrightsc specialenvoyofthehigh specialisedkinesiolog specialist of school specialist sch...
HEAT INSULATOR FOR A WATER METER PROTECTING CASE, ON WHICH A COATING FILM IS FORMEDKANG, SOON YEE
aThe rapid heat treatment method is applied to the heat treatment of a Silicon On Insulator (SOI) wafer (claimed). It can be applied to Rapid Thermal Processing operations such as Rapid Thermal Annealing and Rapid Thermal Oxidation. 迅速热治疗方法在被要求的绝缘体SOI薄酥饼被运用于硅的 () 热...
Wood is a better insulator than glass, yet fiberglass is commonly used as an insulator in wooden buildings. Explain? What is excess charge on conductors? Air is a bad conductor of heat, but still, we don't feel warm without clothes, Why?
Melamine plastic is tolerant to both hot and cold use. It holds temperatures longer than othertypes of plastic, but it also takes a long time for its temperature to change. This is because melamine is an insulator, not a conductor. Melamine will stay cool to the touch when serving hot foo...
9.Expressions about water are almost as common as water itself.The expression to be in hot water is a very old expression.Hot water was used five hundred years ago to mean being in trouble.One story says it got that meaning from the custom of throwin