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
30
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:https://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
GoAhead—CookwithIt别怕—就用它来烹饪
【B1】[br]【B4】[originaltext]Developmentbanksareinternationallendinggrou
Formostkindsofactivities,alargegroupofpeoplecanaccomplishmorean
高校教师劳动形式的特殊性,决定了教师应该以高度自觉责任感对待自己的本职工作。(
根据FIDIC《生产设备和设计一施工合同条件》的规定,竣工报表应列明的内容包括(
A.2.52 B.2.72 C.2.82 D.0.82
变压器类的设备最高电压是指最高的相间电压(),变压器类电气设备绝缘是按此设计的。
营销费用可分为( )费用。 A.广告 B.推销 C.销售人员
某投资者卖出5手7月份的铅期货合约同时买入5手10月份的铅期货合约,则该投资者的
对于胆石症的治疗叙述错误的是A.对于大多数无症状的胆石症采取等待观察 B.对于
最新回复
(
0
)