If the exhaust gas temperature of the incinerator is too high, or if sparks are developed, What should you do?A.Close the inlet and outletvalves for diesel oilB.Open the air nozzles in the secondary combustion chamber until it stopsC.Open the air nozzles

题目
If the exhaust gas temperature of the incinerator is too high, or if sparks are developed, What should you do?

A.Close the inlet and outletvalves for diesel oil

B.Open the air nozzles in the secondary combustion chamber until it stops

C.Open the air nozzles in the primary combustion chamber until it stops

D.Close inlet valve for pressurized air

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    What () you () at eight o'clock tomorrow morning?

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    A. your, your

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    You look（） What（）you（）?

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    Btiring；have；done

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    参考答案：D

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    A. have

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