【单选题】关于成分输血的适应证不正确的是()
C.
白细胞减少<3×10 9 /L时可输注白细胞
D.
血小板减少<20×10 9 /L时可输注血小板
【单选题】T101- 将 D 触发器改造成 T 触发器,如图所示电路中的虚线框内应是()。
【单选题】It is hoped that every student in our country will read _______. [ ]
【单选题】Every year schools all over the country will ____ new students the first week in September. A. B. C. D.
【单选题】We hope every country involved will “承诺” not developing nuclear weapons.