特发性血小板减少性紫癜可有
A.C00mbs试验(+)
B.血小板寿命缩短
C.凝血时间延长
D.骨髓巨核细胞消失
E.网织红细胞绝对值降低
参考答案:B
Do you enjoy ____football? I hear there will be a football match tomorrow.
A.playing
B.play
C.played
D.to playing
体操队里女队员的人数占60%,男队员和女队员人数的最简单的整数比是______;如果体操队有队员50人,女队员有______人.