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
60
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
Whatisthispassagemainlyabout?[originaltext]Doyouhaveatoughmathte
WhenMomandDadGrowOldA)Theprospectoftalkingtoincre
皮脂厚度的测量位置正确的是:A.肱二头肌肌腹 B.肱三头肌肌腹 C.右肩胛下
按照国家标准《国民经济行业分类》(GB/T4754—2011),下列行业中不属于
为查找资产负债表日未入账的应付款项,审计人员可实施的审计程序有()。[2010年
下列各项中,属于数据采集过程工作内容的是()A、数据转换 B、数据清理 C、
一般来说,定量研究在资料收集阶段比较理想的访谈员不包括()。A.女性 B.男性
通报按其内容性质成份可分为()A.表彰性通报 B.批评性通报 C.指
学校组织教育和教学工作的重要依据是()。 A.课程目标 B.教学大纲 C.
甲公司承建乙公司办公楼建设工程,为了如期完成任务,经乙公司同意,甲公司将部分工程
最新回复
(
0
)