【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】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。
【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
【简答题】A.She has half finished filling out the form. B.She doesn't remember to fill out the form. C.She is glad that the man might help her. D.She feels frustrated about filling out the form.
【判断题】即使强度级别相差很大的钢筋,弹性模量却很接近,而且强度高的钢筋,弹性模量反而偏低。
【单选题】Has she finished her week's work? ______,I'll ask her to see a film tonight. [ ]
【简答题】She (write) letters all afternoon and she has not finished yet.