真核细胞的DNA全部定位于细胞核。 ( )
参考答案：错
无菌切口指
A．A型血病人B．B型血病人C．O型血病人D．O型或B型血病人E．O型或A型血病人
Eddie _________ sleeping __________ going out.
A．would rather; than
B．prefers; than
C．would rather; to
D．prefers; to
