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
63
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、By turning ordinary ice into steam.
B、By passing steam over dry ice.
C、By heating dry ice.
D、By mixing dry ice with ordinary ice.
答案
B
解析
转载请注明原文地址:http://tihaiku.com/zcyy/2848480.html
相关试题推荐
[originaltext]Ifparentsbringupachildwiththeaimofturningthechild
[originaltext]Ifparentsbringupachildwiththeaimofturningthechild
[originaltext]Americansoftensaythatthereareonlytwothingsapersonc
[originaltext]Anyonewhocaresaboutwhatschoolsandcollegesteachandho
[originaltext]Anyonewhocaresaboutwhatschoolsandcollegesteachandho
[originaltext]W:Hello,Steven.Howareyou?M:Nottoobad,thankyou,Ann.Ho
[originaltext]W:Hello,Steven.Howareyou?M:Nottoobad,thankyou,Ann.Ho
[originaltext]W:Hello,Steven.Howareyou?M:Nottoobad,thankyou,Ann.Ho
[originaltext]W:Howcanourhistoryteachergiveussuchadifficultassignmen
[originaltext]W:Howcanourhistoryteachergiveussuchadifficultassignmen
随机试题
Rabiesisallordinarilyinfectiousdiseaseofthecentralnervoussystem.I
Thatexperienceinfluencessubsequentbehaviorisevidenceofanobviousbu
Theship’sgeneratorbrokedown,andthepumpshadto______(由手工操作而不是机械操作).beop
Iwalkeddownthecorridor,myfootstepsfrighteningly______throughtheempty
某航班固定成本为30万元,每个旅客的可变成本为400元,最多容纳260名旅客。该
采用超前钻探法进行超前地质预报时,断层、节理密集带或其他破碎富水地层每循环至少钻
发行人在持续督导期间出现下列情形之一的,中国证监会可根据情节轻重,自确认之日起3
我国创业板市场是在()正式启动。A.上交所 B.深交所 C.同时上交所和
(三)本题中进口货物系沈阳沈港电器产业有限公司(2101930×××)委托进
井下控制测量的基本方法有( )。A.经纬仪—钢尺导线 B.陀螺定向—光电测距
最新回复
(
0
)