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
69
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:http://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
Amazon,whichgotitsstartsellingbooksonline,announcedthisyearthat,
Father’sDayis【T1】______allaroundtheworldtosaythankyoutodads.Anol
下列关于审批制、核准制和注册制的说法,正确的有() Ⅰ、核准制是从注册制向审批
龟甲、鳖甲共同具有的功能是( )。A.养血补心 B.软坚散结 C.益肾健骨
吴瑭所称“辛凉平剂”指的是A:桑菊饮B:银翘散C:桑杏汤D:杏苏散E:川
一个不尊重他人的人不会得到他人的尊重,一个不会反省的人不会真正地尊重他人。张三是
如图所示,某丙级建筑物有一柱下桩基础,采用8根沉管灌注桩,已知桩身设计直径d=3
商业银行的压力测试结果可保证其最短生存期,最短生存期为( )天。A.15 B
患者男性,发现右颌下区肿物3个月,临床检查见右颌下区表面皮肤正常,可触及肿物质软
某无人值班的35/10kV变电所,35kV侧釆用线路变压器组接线,:10kV侧采
最新回复
(
0
)