【单选题】(1~5题共用题干)患者男,45岁。胃溃疡史8年。近1个月来上腹不适.疼痛.泛酸.嗳气等症状明显加重,体重下降3kg,经胃镜检查确诊为胃癌,拟行胃大部切除术。下列疾病中,不属于胃癌癌前病变的是
【单选题】Scotland: A Land of Wisdom In the 1740s, the famous French philosopher Voltaire said “We look to Scotland for all our ideas of civilization.” That's not a bad advertisement for any country when it com...
【简答题】为了探究实验室里制取二氧化碳的理想反应,你首先可先考虑能生成二氧化碳的反应有哪些。请写出五个能生成二氧化碳的化学方程式: ①__________; ②__________;③___________; ④__________;⑤____________。 考虑到_________反应速率太快,难以收集;____________反应生成的二氧化碳不纯;___________反应需要高温条件,比较困难;...
【判断题】中国水仙又称天葱、雅蒜、凌波仙子、金盏银台, 等,它有两个变种 金盏银台 和玉铃珑。
【单选题】________ he returns to his native land.
B.
It is not before long that
C.
It won’t be long before
【单选题】男性,45岁,胃溃疡史8年。近1个月来上腹不适、疼痛、反酸、嗳气等症状明显加重,体重下降3kg。经胃镜检查确诊为胃癌,拟行胃大部分切除术。(2)腌制食品中含有的哪种物质与胃癌的发生密切相关()
【判断题】All-electric vehicles, also called battery electric vehicles are powered by only a battery and an electric motor, and they contain a gasoline engine as well.
【判断题】The battery also acts as a voltage stabilizer for the entire electrical system.
【单选题】生产资料私人所有,以雇佣劳动为基础的私有制经济是( )
【单选题】词汇与结构 The aircraft battery also supplies control circuitry power when the APU battery voltage ______ because of heavy starter motor load.