可燃金属(如钾、钠、镁、锂、铝、镁合金等)燃烧引发的火灾,称为

A、A类火灾
B、B类火灾
C、C类火灾
D、D类火灾
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正确答案:

D

答案解析:

暂无解析

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脐带包含

A、脐静脉1条,脐动脉1条
B、脐静脉1条,脐动脉2条
C、脐静脉2条,脐动脉1条
D、脐静脉2条,脐动脉2条

PartIVTranslation

Itwouldhavebeendifficultforthemtoavoidtheconclusionthatthehorseandmulepopulationwoulddeclinerapidly.(PassageFour)

Wouldhehaveseenyouifyouhadn’t_____tohim?

A、intended
B、waved
C、expressed
D、debt

PartIVTranslation:

IthasabankofelectronicpenswhichwritelikethePresidentwrites,inhisfavoritelightblueink.(PassageOne)

Paragraphs2and3explain________.

A、thosegoodthingsarenotwithoutsideeffects
B、whycleveradvertisingissopowerful
C、whyinmoderntimesself-medicationisstillpractised
D、whypeopledevelopfaultywaysoflife
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