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
14
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] 【C7】
选项
A、alter
B、range
C、differ
D、move
答案
B
解析
题型:词汇题。“在……范围内变化”一般用range。例如:ranging between 5 and 15在5和15之间变化。A项alter改变;变更。C项differ①(常与from连用)不同;不像;相异。例如:My brother and I differ in many ways,②(常与with连用)不同意;意见相左。
转载请注明原文地址:https://tihaiku.com/zcyy/3811698.html
相关试题推荐
Likeotherformsoflifeonthisplanet,humanbeingsfaceabasictask:to
Onereasonhumanbeingscanthriveinallkindsofclimatesisthattheyc
Onereasonhumanbeingscanthriveinallkindsofclimatesisthattheyc
Onereasonhumanbeingscanthriveinallkindsofclimatesisthattheyc
Onereasonhumanbeingscanthriveinallkindsofclimatesisthattheyc
Onereasonhumanbeingscanthriveinallkindsofclimatesisthattheyc
Onereasonhumanbeingscanthriveinallkindsofclimatesisthattheyc
Onereasonhumanbeingscanthriveinallkindsofclimatesisthattheyc
Onereasonhumanbeingscanthriveinallkindsofclimatesisthattheyc
Onereasonhumanbeingscanthriveinallkindsofclimatesisthattheyc
随机试题
[originaltext]W:Tom,IunderstandwhenHavasMediaNorthAmericahiredyouear
下列有关间接免疫荧光法的错误叙述是A.灵敏度高 B.针对特异性抗原的是第一抗体
行政诉讼的执行条件不包括()。A.须有执行根据 B.被执行人有能力履行而不
梁下部纵向受力钢筋接头位置宜设置在()。A、梁跨中1/3处 B、梁支座处 C
灯心草质地松泡且用量大宜放在斗架哪层A.中层 B.最下层 C.左层 D.右
载脂蛋白E基因位于19号染色体长臂3区上,含有A.4个外显子和4个内含子 B.
患者男,56岁。原发性肝癌,行肝叶切除术后,出现嗜睡、烦躁不安、黄疸,考虑为肝性
倡导教育要重视培养“社会一致”的精神的教育思潮是()A.改造主义教育 B.
八股文
《离骚》是屈原创作的中国古代最长的抒情诗,开创了中国文学史上的“骚体”诗歌形式,
最新回复
(
0
)