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
2024-10-22
1
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] 【C13】
选项
A、ask
B、demand
C、request
D、require
答案
D
解析
题型:词汇题。“要求”一般用require。demand语气太重,request则是“有礼貌地要求”。
转载请注明原文地址:https://tihaiku.com/zcyy/3811704.html
相关试题推荐
Likeotherformsoflifeonthisplanet,humanbeingsfaceabasictask:to
Likeotherformsoflifeonthisplanet,humanbeingsfaceabasictask:to
Onereasonhumanbeingscanthriveinallkindsofclimatesisthattheyc
Onereasonhumanbeingscanthriveinallkindsofclimatesisthattheyc
Onereasonhumanbeingscanthriveinallkindsofclimatesisthattheyc
Onereasonhumanbeingscanthriveinallkindsofclimatesisthattheyc
Onereasonhumanbeingscanthriveinallkindsofclimatesisthattheyc
Onereasonhumanbeingscanthriveinallkindsofclimatesisthattheyc
Onereasonhumanbeingscanthriveinallkindsofclimatesisthattheyc
Onereasonhumanbeingscanthriveinallkindsofclimatesisthattheyc
随机试题
Nottoomanydecadesagoitseemed"obvious"bothtothegeneralpublicand
THEEFFECTSOFSLEEPDEPRIVATION1Sleeprestoresthebodyand
[originaltext]M:What’swrongwithyournewelectriccooker?LetmeseeifIca
B2C的主要盈利模式有产品销售营业收入模式、网络广告收益模式、收费会员制收益模式
肾精不足,日久不愈,阴损及阳,表现为四肢不温,形寒怕冷,精神萎靡,舌淡,脉沉者,
三栏式明细分类账簿适用于只需要进行金额核算,不需要进行数量核算的结算类科目的明细
下列哪项不属舌形改变A.老嫩 B.胖瘦 C.裂纹 D.喁斜
根据以下内容,回答225-229题。 WhydidMs.Waring
火灾现场报警装置包括()。A.火灾报警控制器 B.声光报警器
某儿童8岁,在标准智力测验中得分为100,则关于其智商(IQ)的正确评价为()
最新回复
(
0
)