The passage implies that cellulose is a very porous substance because it contains______.A．a substance that creates pressureB．millions of tiny holesC．a substance that dissolves itD．liquid medicine

题目

The passage implies that cellulose is a very porous substance because it contains______.

A．a substance that creates pressure

B．millions of tiny holes

C．a substance that dissolves it

D．liquid medicine

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第1题

The biological sewage treatment plant utilizes Oto completely break down the sewage into an acceptable substance for discharge－into anywatersA.agitation functionB.bacteriaC.chemicaD.oxidizing function

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第2题

The sum of the sensible heat and the latent heat of any substance is known as ______.A.total heatB.residual heatC.specific heatD.superheat

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第3题

Which substance is NOT considered to be Oil under the pollution prevention regulations?A.Petroleum and fuel oilB.SludgeC.Oil mixed with dredge spoilD.Oil refuse and oil mixed with wastes

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第4题

Spontaneous combustion is caused by ______．A.An outside heat source heating a substance until it ignitesB.Conduction of heat through a wall of material to the substanceC.Chemical action within a substanceD.All of the above

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第5题

Which statement is TRUE concerning the flash point of a substance ________．A.It is lower than the ignition temperatureB.It is the temperature at which a substance will spontaneously igniteC.It is the temperature at which a substance，when ignited，will continue to burnD.It is the temperature at which the released vapors will fall within the explosive range

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第6题

Which substance might be subject to spontaneous combustion ________．A.CoalB.Scrap rubberC.LeatherD.All of the above

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第7题

The lowest temperature required to cause self-sustained combustion of a substance independent of any outside source of ignition is called ______．A.Explosive rangeB.Flash pointC.Ignition temperatureD.Combustion temperature

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The passage implies that cellulose is a very porous substance because it contains______.A．a substance that creates pressureB．millions of tiny holesC．a substance that dissolves itD．liquid medicine

题目

更多“The passage implies that cellulose is a very porous substance because it contains______.A．a substance that creates pressureB．millions of tiny holesC．a substance that dissolves itD．liquid medicine”相关问题

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