焊接过程中,焊缝金属所处的液-固阶段是产生热裂纹最多的阶段。
参考答案:错
—How did you ________ the old valuable house?
—It used to be ________ my uncle. He left it to me in his will.
A.take possession of;in possession of
B.take the possession of;in the possession of
C.take possession of;in the possession of
D.take the possession of;in possession of
最可能与该患者牙龈增生有关的是
A.苯妥英钠
B.环胞菌素
C.异山梨酯(消心痛)
D.硝苯地平(硝苯吡啶)
E.地血平