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
50
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
Coffeecanbeconsideredoneofnature’sgreatestgifts.Itgivesmentalan
[originaltext]Manypeoplesufferfromsomeformofextremeanxiety.Someex
PASSAGETWOItwashardforhimtoexpresspraisesnaturally。第一段末句作者提出自己的问题——总是让每
可使物料瞬间干燥的是A.减压干燥 B.鼓式干燥 C.沸腾干燥 D.喷雾干燥
下列关于瑞特染色的叙述,正确的是A.瑞特染色的最适pH为6~7 B.染液配制后
尝试教学法
根据《证券期货投资者适当性管理办法》,产品或者服务存在下列( )因素的,应当审慎
请根据所提供的单据,判断填制《出境货物报检单》各项内容的正误。 ()
2020年10月,李某作为法定继承人继承了父母800万元的房产;当年李
根据《建设工程质量管理条例》,在正常使用条件下,建设工程屋面防水的最低保修期限为
最新回复
(
0
)