A.悬挂磁铁的弹簧伸长
B.悬挂磁铁的弹簧可能伸长,可能缩短
C.悬挂磁铁的弹簧的长度不变
D.悬挂磁铁的弹簧缩短
答案:A
During ______ afternoon, the rain became smaller, but towards__________ evening, there was a sudden landslide that buried the village.
A./; the
B.the; /
C.the; the
D.an; the
抗凝血系统活性标志物是
A.vWFB.PAI-1C.TATD.FPAE.TXB2