特发性血小板减少性紫癜的主要发病机制是()
A.脾吞噬血小板增多
B.骨髓巨核细胞生成减少
C.骨髓巨核细胞生成增加
D.雌激素抑制血小板生成
E.抗血小板抗体产生
参考答案:E
Getting out of the crowded bus, _____. [ ]
A. her cell phone was found missing
B. her cell phone was nowhere to be found
C. she found her cell phone missing
D. Her cell phone couldn't be found
以募集方式设立公司,申请发行境内上市外资股的,拟向社会发行的股份达公司股份总数的35%以上;拟发行的股本总额超过4亿元人民币的,其拟向社会发行股份的比例达15%以上。()