首页
登录
职称英语
[originaltext] Can you image ice that does not melt and is not wet? Have you
[originaltext] Can you image ice that does not melt and is not wet? Have you
游客
2023-07-18
49
管理
问题
Can you image ice that does not melt and is not wet? Have you ever heard of dry ice? Dry ice is made by freezing a gas. It is quite different from ordinary ice which is simply frozen water. Dry ice was first manufactured in 1925. It has since fulfilled the hopes of its adventure. It can be used for making artificial fog in the movies. When steam is passed over dry ice, a very dense vapor rise. It can also be used for destroying insects in grain supplies. It is more practical than ordinary ice because it takes up less space and it’s 142c colder. Since it turns into steam instead of melting into water, it is cleaner to use. For these masons, it is extremely popular, and many people prefer it to ordinary ice. Dry ice is so cold that ff you touch it with you bare fingers, it will burn you.
选项
A、It takes a long time to melt.
B、It is lighter to carry.
C、It is not so cold as ordinary ice.
D、It is cleaner to use than ordinary ice.
答案
D
解析
转载请注明原文地址:https://www.tihaiku.com/zcyy/2848481.html
相关试题推荐
[originaltext]Asweallknow,therearemanydifferenceslyingbetweenhigh
[originaltext]Asweallknow,therearemanydifferenceslyingbetweenhigh
[originaltext]Asweallknow,therearemanydifferenceslyingbetweenhigh
[originaltext]ThelastknownAmericanveteranofWorldWarIdiedSundayat
[originaltext]ThelastknownAmericanveteranofWorldWarIdiedSundayat
[originaltext]Morethan30,000driversandfront-seatpassengersarekilled
[originaltext]Morethan30,000driversandfront-seatpassengersarekilled
[originaltext]M:Whatdoyouthinkofmynewsweater,Tracy?W:Well,it’svery
[originaltext]M:Whatdoyouthinkofmynewsweater,Tracy?W:Well,it’svery
[originaltext]M:Excuseme,Iwaswonderingifitwaspossibletojointhelibr
随机试题
In1959,Hawaiibecamethefiftiethstateintheunion.【C1】________Congress
[originaltext]W:Therearetoomanyprivatecarsontheroadnow,whichcauses
在有直配线情况下,发电机的额定电压应为用电设备额定电压的1.05倍。()
剖宫产手术后3周,突然阴道大量出血,最可能的是A.子宫复旧不良 B.胎盘残留
在下列年龄段的年满16岁以上的自由公民中,失业率超过10%的是:A.16~1
A.流化喷雾制粒法B.干法制粒法C.挤出制粒法D.湿法混合制粒法E.喷雾转动制粒
共用题干 Oneusefulanti-cancerdrugcanef
受体-G蛋白-Ac途径的第一信使是( )。A.激素 B.环磷酸腺苷 C.磷
基础心理学是研究()。 (A)正常成人心理现象的心理学基础学科 (B
涵洞施工时钢筋混凝土拱圈和盖板现场浇筑宜连续进行。当涵身较长,不能一次连续完成时
最新回复
(
0
)