下列關于采用燃氣冷熱電二聯供系統優點說法中，哪幾項是正確的?（）
A、可提高發電效率BC
暫無解析
In1900,theenergyderivedfromburningpetroleumwasonlyfourpercent______ofcoal.
重寫句子：Attheinternationalmuseum,youcanfindancientEgyptianart.YoucanexploreAfricanartifactsthere.Youcandiscoverbeautifultextilesfromaroundtheworldthere.(parallelstructure)
Mrs.Smithlockedboththefrontandthebackdoorsbeforeshewenttobed______thatsomeonemightstealintothehouseatnight.
______thepopularityofrobotsinJapan,thecountry’srobot-productiongrowthisslowingdown.
患兒男1歲半，夜間睡眠時出現喉鳴和吸氣性呼吸困難，急診求醫，聽診可聞喉傳導音，心率150次/分，診斷為急性喉炎?；純汉砉Ｗ璧姆侄葢獮椋ǎ?/p>
