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
34
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/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
EndYourBackPainLikeanexpensive
Inmostculturesthroughouttheworld,thereisanexpectationthatwhenap
Evernoticedhowyouseemtotakelongertogetoveranillnessifyoutake
Thereisanewtypeofsmalladvertisementsbecomingincreasinglycommonin
男,26岁,5天来鼻及牙龈出血,皮肤淤斑,血红蛋白55g/L,白细胞10.0×1
关于基差,下列说法错误的有( )。 Ⅰ.套期保值的盈亏取决于基差的变动 Ⅱ
临床牙周组织检查所需的特殊器械是A:口镜、探针、镊子 B:牙周探针、电活力计、
关于税收法律关系的特点,下列表述正确的是()。A.税收法律关系的可以发生于企业
钢制储罐充水试验的水温不应低于()。A.-5℃ B.0℃ C.5℃
事后质量控制是指( )。A.质量活动结果的检查和监控 B.质量活动结果的评价
最新回复
(
0
)