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
2024-02-19
38
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、By turning ordinary ice into steam.
B、By passing steam over dry ice.
C、By heating dry ice.
D、By mixing dry ice with ordinary ice.
答案
B
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3464744.html
相关试题推荐
[originaltext]AfellowhadjustbeenhiredasthenewCEOofalargehigh-t
[originaltext]AfellowhadjustbeenhiredasthenewCEOofalargehigh-t
[originaltext]Oneday,[29]Johnwasdoingsomeshoppinginthemarketwhen
[originaltext][26]SnakesmaybefoundjustabouteverywhereexcepttheNor
[originaltext][26]SnakesmaybefoundjustabouteverywhereexcepttheNor
[originaltext][26]SnakesmaybefoundjustabouteverywhereexcepttheNor
[originaltext]W:Hello,UltimateComputers.MayIhelpyou?M:Yes,thisisJac
[originaltext]W:Hello.MayIspeaktoMr.JoshCooke,please?M:Speaking.W:
[originaltext]WhenIwaswalkingdownthestreettheotherday,Ihappened
[originaltext]WhenIwaswalkingdownthestreettheotherday,Ihappened
随机试题
WhenIsay"communication,"mostofyoumaythinkabout【B1】______communicati
Didyouhavetrouble______theswimmingpool?A、tohavefoundB、tofindC、withD
患者,女性,18岁,面部检查发现下颌后缩,覆盖1Omm,覆2mm,上颌左侧第一前
他来自一个贫寒的家庭,为省下每次坐车的9元钱,他坚持跑步30公里到校或回家,两年
传染病的基本特征为A.有传染性、免疫性和病原体 B.有传染性、免疫性和流行性
在上市公司收购过渡期内,如无特殊情况一般不得进行下列()行为。A:收购人改选上市
期货交易者所持有的未平仓合约的单边累计数量为( )。A.成交量 B.买量 C
能活血、凉血的药物有A.赤芍 B.西红花 C.郁金 D.牡丹皮 E.丹参
根据公司法律制度规定,下列关于利润分配请求权的表述中不正确的有()。A.除另有
下列不属于费用计划编制依据的是()。A.费用估算 B.WBS
最新回复
(
0
)