首页
登录
职称英语
One reason human beings can thrive in all kinds of climates is that they c
One reason human beings can thrive in all kinds of climates is that they c
游客
2023-11-18
10
管理
问题
One reason human beings can thrive in all kinds of climates is that they can control the qualities of the air in the enclosed spaces in which they live. Air conditioning is the use of mechanical systems to 【C1】______ that control in such places 【C2】______ homes, offices, theaters, institutions, factories, airplanes, and automobiles. The most familiar type of air conditioning is summertime cooling., Although important, this is 【C3】______ one of several aspects of air conditioning. Other applications 【C4】______ the control of the humidity (or air moisture), cleanliness, circulation of the air, and heating.
Tests have 【C5】______ that people generally feel best 【C6】______ certain temperature, humidity, and air velocity conditions. Temperatures can 【C7】______ from 21.5°C with 70 percent relative humidity to 28°C with 30 percent relative humidity. Relative humidity is the 【C8】______ of moisture in the air 【C9】______ a specific temperature compared 【C10】______ the amount it could hold at that temperature. 【C11】______ air velocities range from 4.5 to 10.5 meters per minute. It is also desirable that an air conditioner 【C12】______ dust, pollen, smoke, and odors from the air.
In many industrial environments, air conditioning is essential. Most print shops, for example, 【C13】______ . constant humidity in order to control paper shrinkage and 【C14】______ the 【C15】______ operation in some processes. Libraries, especially ones With rare books, require air control to 【C16】______ the physical quality of their collections. Bakeries and the tobacco and cotton industries require high humidity 【C17】______ their products, and perishables such as fruits must be stored in cool, dry rooms. Some electronic components, drugs, and chemicals must be manufactured 【C18】______ the air is as free as possible 【C19】______ dust and other particles. Air conditioning is 【C20】______ in hospitals, especially in operating rooms. [br] 【C20】
选项
A、virtual
B、viable
C、vibrant
D、vital
答案
D
解析
题型:词汇题。vital极为重要的;关系重大的。例如;a vital examination至关重要的考试。A项virtual实际上的;事实上的。B项viable.可行的;可实施的。C项vibrant.振动的;(色彩、光线)鲜明的,明快的;活泼的;生机勃勃的。
转载请注明原文地址:https://www.tihaiku.com/zcyy/3197149.html
相关试题推荐
There’sbeenalotoftalkaboutextraterrestrialbeingsvisitingourplane
There’sbeenalotoftalkaboutextraterrestrialbeingsvisitingourplane
Whydidhumanbeingsbegintogrowcropsandraiselivestock?[br][originaltex
Humanbeingshaveusedtoolsforaverylongtime.Insomepartsofthewor
Humanbeingshaveusedtoolsforaverylongtime.Insomepartsofthewor
Likeotherformsoflifeonthisplanet,humanbeingsfaceabasictask:to
Likeotherformsoflifeonthisplanet,humanbeingsfaceabasictask:to
Ifyouarelookingforaqualityeducationatareasonableprice,considerState
Likeotherformsoflifeonthisplanet,humanbeingsfaceabasictask:to
Likeotherformsoflifeonthisplanet,humanbeingsfaceabasictask:to
随机试题
ComparingYourselftoOthers:It’sNotAllBad"Tocomparei
eBay[A]eBayisaglobalphenomenon—theworld’slargestgaragesale,onl
Somepeoplesimplyseeeducationasgoingtoschoolsorcolleges,orasame
下列关于知信行模式叙述正确的有()。A.知识转化为行为改变,是一个漫长但并不复杂
P~P规则,P~R固定,QRS波间歇性或周期性脱落A.Ⅱ度Ⅰ型房室传导阻滞 B
一方面希望能通过信息技术中的“云服务”带来更多生活的便利,一方面又不想承担个人信
某基金经理持有30%国债、70%股票的投资组合。若预计股票市场将走强,则运用转
精神病性易激惹的特点是()。 (A)不否认发脾气的行为事实(B)有难
甲公司为增值税一般纳税人,主要从事小汽车生产和销售业务,2019年8月有关经
下列地层中,最适合土压平衡盾构施工的是()。A.洪积卵石层 B.中风化灰岩层
最新回复
(
0
)