首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
考研
One reason human beings can thrive in all kinds of climates is that they can control the qualities of the air in the enclosed sp
One reason human beings can thrive in all kinds of climates is that they can control the qualities of the air in the enclosed sp
admin
2017-01-21
21
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.
【C17】
选项
A、about
B、as
C、for
D、to
答案
C
解析
考查介词用法。空格处所在句意为:面包房,以及烟草和棉花工厂的产品需要很高湿度的空气,而诸如水果之类的容易腐烂的货品则要储存在凉爽干燥的房间。for在此处强调对象。故C.for为正确答案。
转载请注明原文地址:https://jikaoti.com/ti/3Bv7FFFM
0
考研英语一
相关试题推荐
Fordecadesthemarketforexpensiveheadphoneswasmainlylimitedtohi-fifans.But【C1】______theboxystereosysteminthecor
Nooneworddemonstratedtheshiftincorporations’attentioninthemid-1990sfromprocessestopeoplemorevividlythanthesi
Nooneworddemonstratedtheshiftincorporations’attentioninthemid-1990sfromprocessestopeoplemorevividlythanthesi
Nooneworddemonstratedtheshiftincorporations’attentioninthemid-1990sfromprocessestopeoplemorevividlythanthesi
Nooneworddemonstratedtheshiftincorporations’attentioninthemid-1990sfromprocessestopeoplemorevividlythanthesi
Aprettypotplantmightmakeanunemotionalworkspacefeelmorepersonal.Butnewresearchhasrevealedthatofficeplantsdo
Aprettypotplantmightmakeanunemotionalworkspacefeelmorepersonal.Butnewresearchhasrevealedthatofficeplantsdo
A1993studyshowingthatstudentswhodidreasoningtestswhilelisteningtothe1781SonataforTwoPianosinDbyMozarttend
A1993studyshowingthatstudentswhodidreasoningtestswhilelisteningtothe1781SonataforTwoPianosinDbyMozarttend
A1993studyshowingthatstudentswhodidreasoningtestswhilelisteningtothe1781SonataforTwoPianosinDbyMozarttend
随机试题
在经营责任制的考核标准中,对发行质量的考核包括销售额、利润额(率)、一般出版物销售增长速度、常备出版物满足程度等。()
在Windows7中,下列属于“任务栏”组成部分的是______________。
ItwasAnnsfirstexperienceofflying.Shehadalwaysbeenafraidofheightsandsowaspreparedtobefrightened.Onlythefact
A.肺炎链球菌B.军团菌C.铜绿假单胞菌D.肺炎克雷伯杆菌(2010年)对B内酰胺类抗生素耐药的病原中,主要机制为产生超广谱β内酰胺酶的是
A.蛋白质消化产物B.盐酸C.脂肪D.胆盐引起促胃液素释放的主要因素是
A.放射治疗B.外科手术C.化学治疗D.免疫治疗E.中药治疗颌骨浆细胞肉瘤治疗首选
β系数是测度股票的()的传统指标。
若乙不参加竞选,则以下哪项合乎上述规律?()
关于公开市场业务,下列说法错误的是()。
PASSAGETHREEWhat’sthemainideaofthefirstparagraph?
最新回复
(
0
)