【单选题】对某省饮食业从业人员的健康状况进行调查,调查单位是该省饮食业的( )。
【单选题】对某省饮食业从业人员的健康状况进行调查。调查单位是( D )。
【单选题】对某省饮食业从业人员的健康状况进行调查。调查单位是( )。
【单选题】Has she finished ______ the storybook?
【判断题】面积归一化法只能适用于检测器对所有组分均有响应的情况。
【判断题】饮食业餐具“四过关”是洗、刷、冲、消毒。
【简答题】She has already finished her homework.( 一般疑问句 ) ______ she finished her homework ______?
【简答题】She has already finished her homework.( 一般疑问句 ) ______ she finished her homework ______?
【判断题】面积归一化法只能适用于检测器对所有组分均有响应的情况
【单选题】Has she finished her week's work? ______,I'll ask her to see a film tonight. [ ]