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
45
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] 【C18】
选项
A、what
B、where
C、that
D、which
答案
B
解析
题型:语法题(状语从句)。句意丸有些电子元件、药物以及化学物质必须在没有灰尘和其他微粒的空气中生产。where强调地点所在。
转载请注明原文地址:https://tihaiku.com/zcyy/3197147.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】_____
Peopletakephotographsfora【C1】______ofreasonsbutthemost【C2】_____
Peopletakephotographsfora【C1】______ofreasonsbutthemost【C2】_____
Peopletakephotographsfora【C1】______ofreasonsbutthemost【C2】_____
Peopletakephotographsfora【C1】______ofreasonsbutthemost【C2】_____
随机试题
Therearemanyargumentsforandagainsttheinterviewasaselectionproced
Drunkendriving,sometimescalledAmerica’ssociallyacceptedformofmurder
简述实用主义教育代表人物及主要观点
应用异烟肼时合用VitB6的目的是A.增强疗效 B.延缓耐药性 C.减轻肝损
防火分隔设施是指能在一定时间内阻止火势蔓延,能把建筑内部空间分隔成若干较小防火空
以下属于英国教育家洛克的教师职业道德思想的是()。A.教师的责任在于使学生养
研究儿童自我控制能力和行为的实验是()A.陌生情境实验 B.点红实验
计算机检索的主要方式包括()、()和上网计算机检索。
简述学生申诉的范围。
女,45岁。近1年来盗汗、心悸、易怒,食量增加。检査:突眼,心率110次/分,
最新回复
(
0
)