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
35
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] 【C6】
选项
A、at
B、around
C、within
D、under
答案
D
解析
题型:语法题(介词使用)。在一定条件下:Under...conditions。
转载请注明原文地址:https://tihaiku.com/zcyy/3197135.html
相关试题推荐
Peopletakephotographsfora【C1】______ofreasonsbutthemost【C2】______
Peopletakephotographsfora【C1】______ofreasonsbutthemost【C2】______
Peopletakephotographsfora【C1】______ofreasonsbutthemost【C2】______
Peopletakephotographsfora【C1】______ofreasonsbutthemost【C2】______
Peopletakephotographsfora【C1】______ofreasonsbutthemost【C2】______
Peopletakephotographsfora【C1】______ofreasonsbutthemost【C2】______
Humanbeingshaveusedtoolsforalongtime,______theywouldnothavebeenab
Between1897and1919atleast29motionpicturesinwhichartificialbeingswer
Cancomputersreason?Reasoningrequirestheindividualtotakeagivenset
Cancomputersreason?Reasoningrequirestheindividualtotakeagivenset
随机试题
Iamwritingtoyouto______(因让你失望而致歉).expressmyapologyforlettingyoudown由句
WhyMinorityStudentsDon’tGraduatefromCollege[A]BarryMills
女性生殖器结核的常见传播途径是A.直接蔓延 B.经血行传播 C.经淋巴传播
外国游客在华旅游期间因病死亡,地陪应做好的工作有()等。A.立即通知接待社 B
下列不属于商业银行董事会职责的是()。A.制定管理人员的职业规范 B.制
患者,男,40岁。结喉两侧各有1个3cmx2cmxlcm。表面光滑。质地韧,无压
十二烷基硫酸钠属于A.不是表面活性剂 B.非离子表面活性剂 C.两性离子表面
教育目的所要回答的根本问题是( )。A、教育的方向 B、教育为谁服务 C、
家庭生命周期中家庭成熟期阶段会产生的财务状况有()。A.收入增加而支出稳定,在
关于进行工作分析时所使用的访谈法的说法,正确的是( )。A.访谈法适用范围较窄
最新回复
(
0
)