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
2024-02-23
62
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://tihaiku.com/zcyy/3474532.html
相关试题推荐
WhatdotheAmericandoctorssayaboutbabies?[br][originaltext]Somepeop
WhatdotheAmericandoctorssayaboutbabies?[originaltext]Somepeopletho
[originaltext]M:Excuseme,Madam.Youarenotsupposedtobehere.Thisareaisf
[originaltext]M:Excuseme,Madam.Youarenotsupposedtobehere.Thisareaisf
[originaltext]M:Excuseme,Madam.Youarenotsupposedtobehere.Thisareaisf
[originaltext]M:Excuseme,Madam.Youarenotsupposedtobehere.Thisareaisf
[originaltext]M:Excuseme,Madam.Youarenotsupposedtobehere.Thisareaisf
ImaginesendingelectronicmailtoyourfriendintheU.S.ordiscussingyour
ImaginesendingelectronicmailtoyourfriendintheU.S.ordiscussingyour
ImaginesendingelectronicmailtoyourfriendintheU.S.ordiscussingyour
随机试题
[originaltext]M:Hi,Shelley.Comeonin.W:Uh,yeah,Istoppedbytoseeify
因变量
脑卒中患者预防脑血管病发生,最重要的环节是控制A.高血压 B.心脏病 C.糖
下列关于顶棚的构造要求中哪一项不正确?()A.有洁净要求的空间其顶棚的表面要
我国最早采用班级授课制是在()。A.1862年 B.1901年 C.190
对某斜拉桥进行定期检查,并对桥梁进行技术状况评定。经检查后发现上部结构主梁为预应
B
自动喷水灭火系统按喷头的构造可分为( )等。A.湿式系统 B.雨淋系统 C
患者,女,38岁。腰部冷痛重着,天气变化或阴雨风冷时加重。治疗除取主穴外,还应选
下列对于毗邻的居住用地会产生外部负效应的是()。(2019年真题)A.绿地
最新回复
(
0
)