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
47
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
A、It’snotsafeforthem.B、Everyonerespectthem.C、Theyareeasiertofindpar
Mostofficeworkerssaytheyarerudeorbad-manneredatwork.Inasurveyo
设备工程中,进口设备购置费的构成包括()。A.货价 B.措施费 C.设备
A.2 B.3 C.4 D.5
下列属于中等水平回声的见于A.肝脏实质 B.骨骼 C.胆囊结石 D.肌腱
专利侵权行为应承担的行政责任主要有( )。A.没收违法所得与罚款 B.管制与
下列哪项不属于基金的市场主体。()A.基金投资机构 B.基金管理人 C.基
企业使命包括企业的()。A.经营哲学 B.理念 C.宗旨 D.文化
从业务运作实质来看,福费廷就是()。A:保付代理B:银行保函C:远期票据贴现
关于砌体基础施工技术的说法,正确的是()。A.防潮层宜设置在室外散水顶面以上和
最新回复
(
0
)