女,20岁,因皮肤紫癜1个月,高热,口腔粘膜血疱,牙龈出 血不止2天住院,肝脾、淋巴结不大,胸骨无压痛。化验:Hb 50 g / L, WBC 2.0×10 9/ L, PLC 15× 10 9/ L,骨髓增生极度减 低,全片未见巨核细胞。诊断首先考虑 A. 急性白血病 B. 再生障碍性贫血 C. 血小板减少性紫癜 D. 过敏性紫癜 E. 粒细胞减少症
【简答题】To make sure that you enjoy your visit to the Harper Hot Springs(温泉)and that you are safe during your visit, please take time to read the following: Do not put your head under the hot water because it...
【简答题】Doing your homework is a sure way to improve your test scores, and this is especially true ____________ it comes to classroom tests. A) when B) since C) before D) after