【简答题】She often invites her students to her home. → Her students ______ by her.
【简答题】无砟轨道结构相对于有砟轨道结构存在的主要问题有:____投资和经济效益问题;____问题;轨道____问题;与____系统匹配问题;修理与修复问题等。
【单选题】I’m surprised to find her mother hit______.
【简答题】分光光度计检测器直接测定的是吸收光的强度。
【简答题】配合性质可根据相配合的孔、轴公差带的相对位置来判别,孔的公差带在轴的公差带之 时为间隙配合,孔的公差带与轴的公差带相互 时为过渡配合,孔的公差带在轴的公差带之 时为过盈配合。
【单选题】Her parents expect ______a qualified doctor.
【单选题】Is this ruler? No, is over there(在那边).
【简答题】配合的性质可根据相配合的孔轴公差带的相对位置来判别,孔的公差带在轴的公差带之 时为间隙配合,孔的公差带与轴的公差带相互 时为过渡配合,孔的公差带在轴的公差带之 时为过盈配合。
【单选题】She searched ___.
A.
her drawers for her pen
B.
her pen in her drawers
C.
her pen from he drawers
D.
her pen for her drawers