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
44
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] 【C5】
选项
A、determined
B、caused
C、maintained
D、achieved
答案
A
解析
题型:词汇题。determine:①决心;决意。例如:He determined to go.他决意要去。②决定;限定;确定;控制。⑧(本文用法)测定,例如:to determine the velocity测定速度。B项cause引起;使;促成。例如:The heavy rain caused the flood.大雨引起了洪水。maintain①保持;维持。②赡养;供给。③保养;维修。④主张;为……辩护。achieve完成;实现;达到;获得。
转载请注明原文地址:https://tihaiku.com/zcyy/3197134.html
相关试题推荐
Whatisamongthereasonswhythemanwantstoreturntheitem?[originaltext]W:
______thebosssays,itisunreasonabletoaskmetoworkovertimewithoutpay.A
Peopletakephotographsfora【C1】______ofreasonsbutthemost【C2】_____
Peopletakephotographsfora【C1】______ofreasonsbutthemost【C2】_____
Peopletakephotographsfora【C1】______ofreasonsbutthemost【C2】_____
Peopletakephotographsfora【C1】______ofreasonsbutthemost【C2】_____
Peopletakephotographsfora【C1】______ofreasonsbutthemost【C2】_____
Peopletakephotographsfora【C1】______ofreasonsbutthemost【C2】_____
Peopletakephotographsfora【C1】______ofreasonsbutthemost【C2】_____
Peopletakephotographsfora【C1】______ofreasonsbutthemost【C2】_____
随机试题
兴起springup
Theconflictsbuildthroughcomplication.Thetensionamountsascharacters
NiagaraisanIndianword,whichmeans"roaringwater".Indeed,theroarof
酶原是没有活性的,这是因为()。A.酶蛋白肽链合成不完全 B.活性中心未形成
国际新形势下邓小平提出的灵活务实的外交战略方针有()A.冷静观察,稳住阵脚,沉着
下列说法错误的是A.在使用链激酶、尿激酶作溶栓治疗时,可用TT作监护指标 B.
判断有机磷农药中毒程度的检查是A.血清丙氨基转移酶 B.碳氧血红蛋白测定 C
【电气设备及运行维护】151.当电容器额定电压等于线路额定电压时,则应接成(
群体的主要特征有()。A:成员共享目标B:稳定结构、功能和角色分工C:成员间
某建设工程材料采购合同约定了合同材料的最低质量标准,如合同材料经检验达到了合同约
最新回复
(
0
)