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
2018-04-27
19
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 【B1】______ that control in such places【B2】______homes, offices, theaters, institutions, factories, airplanes, and automobiles. The most familiar type of air conditioning is summertime cooling. Although important, this is【B3】______one of several aspects of air conditioning. Other applications【B4】______the control of the humidity (or air moisture), cleanliness, circulation of the air, and heating.
Tests have 【B5】______ that people generally feel best 【B6】______ certain temperature, humidity, and air velocity conditions. Temperatures can 【B7】______ from 21.5°C with 70 percent relative humidity to 28 °C with 30 percent relative humidity. Relative humidity is the 【B8】______ of moisture in the air 【B9】______ a specific temperature compared【B10】______the amount it could hold at that temperature.【B11】______air velocities range from 4.5 to 10.5 meters per minute. It is also desirable that an air conditioner【B12】______dust, pollen, smoke, and odors from the air.
In many industrial environments, air conditioning is essential. Most print shops, for example, 【B13】______constant humidity in order to control paper shrinkage and【B14】______the【B15】______operation in some processes.
Libraries, especially ones with rare books, require air control to【B16】______the physical quality of their collections. Bakeries and the tobacco and cotton industries require high humidity【B17】______their products, and perishables such as fruits must be stored in cool, dry rooms. Some electronic components, drugs, and chemicals must be manufactured【B18】______the air is as free as possible【B19】______dust and other particles. Air conditioning is【B20】______in hospitals, especially in operating rooms.
【B9】
选项
A、under
B、inside
C、on
D、at
答案
D
解析
考查惯用搭配。“在一定的温度下,在某一个特定的温度/速度”,介词通常用at。故答案为D.at。
转载请注明原文地址:https://kaotiyun.com/show/eqBZ777K
0
考研英语一
相关试题推荐
Organizationsandsocietiesrelyonfinesandrewardstoharnesspeople’sself-interestintheserviceofthecommongood.Thet
Organizationsandsocietiesrelyonfinesandrewardstoharnesspeople’sself-interestintheserviceofthecommongood.Thet
Writealettertorecommendyourstudent,DavidSmith,whoishuntingforajobandinterestedintheSalesManagerposition.Yo
The21stcenturyisacenturyofbiotechrevolution.【F1】Yetbeforehumanbeingsareabletofullyenjoythefruitsofthebiotec
ThewordRenaissancehasoflateyearsreceivedamoreextendedsignificancethanthatwhichisimpliedinourEnglishequivalen
Inthepastdecades,considerableprogresshasbeenmadeinscienceandtechnologywhichhasrevolutionizedourlives.
ThatisthereasonwhyIamnotinfavourofrevisingtheplan.
Ingeneral,thetestsworkmosteffectivelywhenthequalitiestobemeasuredcanbemostpreciselydefinedandleasteffectivel
人类学研究——2003年英译汉及详解Humanbeingsinalltimesandplacesthinkabouttheirworldandwonderattheirplaceinit.Humansaretho
随机试题
尚未从事法律职业的证书持有人应当于每年的哪一季度内,持法律职业资格证书副本到地(市)司法局办理年度备案
有关分裂情感性精神障碍的病因与发病机制,以下说法错误的是
可出现异嗜癖症状的贫血是
某地下车库土方工程,工程内容包括挖基础土方和基础土方回填。基础土方回填采崩打夯机夯实,除基础回填所需土方外,余土全部用自卸汽车外运800m至弃土场。提供的施工场地,已按设计室外地坪一0.2。0m平整,土质为三类土,地下水位一0.800m,要求施T前降低
下面不属于国民收入的是()。
下列关于道氏理论和趋势的说法,错误的是()。
影响固定资产折旧的因素有()。
“不仅开创了田园诗,而且前所未有地将日常生活表现得情趣盎然,富有诗意,扩大了诗歌的题材;创造了平淡自然的诗歌意境,为后人树立了诗歌艺术的更高标准。”这是对诗人()的评价。
下列选项中,不属于我国刑法中的刑种的是()。
A、SecretaryandBoss.B、TeacherandStudentC、CustomerandLibrarian.D、CustomerandSalesman;C
最新回复
(
0
)