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【单选题】

The best method of extinguishing a class A fire is to().

A、remove oxygen from the area

B、cool fuel below ignition temperature

C、smother with CO2

D、smother fire with foam

更多“The best method of extinguishing a class A fire is to().”相关的问题
第1题

A、spray directly on <em>theem> base <em>ofem> <em>theem> fire  B、flow <em>theem> foam down a nearby vertical surface  C、sweep <em>theem> fire with <em>theem> foam  D、spray directly on <em>theem> surface <em>ofem> <em>theem> fire  

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第3题

A、<em>Theem>&ensp;charAt()&ensp;<em>methodem>&ensp;<em>ofem>&ensp;<em>theem>&ensp;String&ensp;class.  B、<em>Theem>&ensp;toUpperCase()&ensp;<em>methodem>&ensp;<em>ofem>&ensp;<em>theem>&ensp;String&ensp;class.  C、<em>Theem>&ensp;replace()&ensp;<em>methodem>&ensp;<em>ofem>&ensp;<em>theem>&ensp;String&ensp;class.  D、<em>Theem>&ensp;reverse()&ensp;<em>methodem>&ensp;<em>ofem>&ensp;<em>theem>&ensp;StringBuffer&ensp;class.  E、<em>Theem>&ensp;length()&ensp;<em>methodem>&ensp;<em>ofem>&ensp;<em>theem>&ensp;StringBuffer&ensp;class.  

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第4题

A、<em>theem> amount <em>ofem> line paid out  B、how much <em>theem> vessel sheers while at anchor  C、any change in <em>theem> tautness <em>ofem> <em>theem> anchor chain  D、changes in bearings <em>ofem> fixed objects onshore  

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第5题

A、A. Use <em>theem> GetBody <em>methodem> <em>ofem> <em>theem> Message class to read <em>theem> content <em>ofem> <em>theem> messages.  B、B. Use <em>theem> CreateBufferedCopy <em>methodem> <em>ofem> <em>theem> Message class to load <em>theem> messages into memory.  C、C. Use <em>theem> WriteBodyContents <em>methodem> <em>ofem> <em>theem> BodyWriter class to make a copy <em>ofem> <em>theem> messages.  D、D. Use <em>theem> CreateMessage <em>methodem> <em>ofem> <em>theem> MessageBuffer class to make a copy <em>ofem> <em>theem> messages.  

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第6题

A、Using a small scope ratio  B、Replacing that portion with a short length <em>ofem> chain  C、Using a hockle to keep that portion <em>ofem> <em>theem> anchor line <em>ofem>f <em>theem> bottom  D、Using a syn<em>theem>tic line  

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第7题

A、using a small scope ratio  B、replacing that portion with a short length <em>ofem> chain  C、using a hockle to keep that portion <em>ofem> <em>theem> anchor line <em>ofem>f <em>theem> bottom  D、using a syn<em>theem>tic line  

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第9题

A、Create an event handler for <em>theem> CanExecuteChanged event <em>ofem> <em>theem> AddSugarCommand command.Call <em>theem> CanAddSugar <em>methodem> from within <em>theem> event handler.  B、Inherit <em>theem> AddSugarCommand from <em>theem> RoutedUICommand class instead <em>ofem> <em>theem> RoutedCommand class. Call <em>theem> CanAddSugar <em>methodem> from within <em>theem> constructor <em>ofem> <em>theem> AddSugarCommand command.  C、Add a CommandBinding object to <em>theem> CommandBinding property <em>ofem> <em>theem> MenuItem control. Set <em>theem> CanExecute property <em>ofem> <em>theem> CommandBinding object to <em>theem> CanAddSugar <em>methodem>.  D、Add a CommandBinding object to <em>theem> CommandBindings property <em>ofem> <em>theem> window. Set <em>theem> Command property <em>ofem> CommandBinding to <em>theem> AddSugarCommand command. Set <em>theem> CanExecute property <em>ofem> <em>theem> CommandBinding object to <em>theem> CanAddSugar <em>methodem>.  

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