首页
登录
职称英语
[originaltext] Can you imagine ice that does not melt and is not wet? Have y
[originaltext] Can you imagine ice that does not melt and is not wet? Have y
游客
2023-07-22
61
管理
问题
Can you imagine ice that does not melt and is not wet? Have your 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 hope of its invent or. It can be used for making artificial fog in the movies. When steam is passed over dry ice, a very dense vapor rises. 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 is 142 degrees colder. Since it turns into steam, instead of melting into water, it is cleaner to use. For these reasons, it is extremely popular and many people prefer it to ordinary ice. Dry ice is so cold that if you touch it with your bare fingers, it will burn you.
选项
A、It takes a longer time to melt.
B、It is lighter to carry.
C、It is cleaner to use than ordinary ice.
D、It is not so cold as ordinary ice.
答案
C
解析
转载请注明原文地址:https://www.tihaiku.com/zcyy/2858268.html
相关试题推荐
[originaltext]W:Ijustreadacuriousfact.Didyouknowthatpeoplewhospend
[originaltext]M:Idon’tknowwhatIcouldhavedonetomakeBobsomadatme.
[originaltext]M:Idon’tknowwhatIcouldhavedonetomakeBobsomadatme.
[originaltext]M:Idon’tknowwhatIcouldhavedonetomakeBobsomadatme.
[originaltext]M:Idon’tknowwhatIcouldhavedonetomakeBobsomadatme.
[originaltext]TheCanadianThanksgivingmakesaninterestingcounterpointt
[originaltext]TheCanadianThanksgivingmakesaninterestingcounterpointt
[originaltext]TheCanadianThanksgivingmakesaninterestingcounterpointt
[originaltext]W:I’mgladthatyouhavedecidedtotakealook.It’sabeautifu
[originaltext]M:Gregspeaking.W:Greg,it’sJane.M:Heythere,howareyou?
随机试题
[originaltext]M:Shakinganinfantoutofangerorfrustrationcanleadtoseve
CanBurglarsJamYourWirelessSecuritySystem?A)Anyproductth
A两组图形的外部图形分别由圆、三角形、正方形构成。观察第一组图形中,第三个图形的第一个小图形是第二个图形的第一个小图形,第三个图形的第二个小图形是第一个图形的第
治疗病理性胎黄的基本法则是A.利湿退黄 B.化瘀消积 C.清热利湿退黄 D
诊断急性白血病最可靠的依据是A:骨髓象见原始白细胞超过30% B:有肝、脾、淋
2011年T市各类社会保险中,参保人数同比增长最快的是:() A.生育保险
按创新形式划分,电子商务可分为()。A:有形商品交易电子商务 B:团购电子商务
某农业企业2016年的留存收益为500万元,同时发行普通股共计500万元,筹资费
事业单位国有资产包括()。A.国家划拨的资产 B.按规定组织收入形成的资产
灰土地基采用的土料应过筛,最大粒径不应大于( )mm。A.10 B.15
最新回复
(
0
)