【单选题】The old gentleman claimed himself to be a very __________ man, who had never told a lie in his life. [ ]
【单选题】Ich gehe ______ der Arbeit nach Hause.
【判断题】Mein Vater war der Leiter eines Lokalen Radiosenders.
【简答题】完形填空。 He lost his arms in an accident that claimed his father's life who was the main 1 of support for the family. He had to 2 the arms of his younger brother, and his younger brother became his 3 , n...
【单选题】维生素C的性质虽然不稳定却不能水解。水解是药物降解的主要途径之一。 下列各种药物中哪个不能发生水解反应 查看材料
【简答题】开普勒望远镜对无限远物体成倒立的像,物镜框是系统的孔径光阑,置于一次实像面处的分划板是视场光阑,目镜往往是渐晕光阑。