下列哪项不是牙髓组织的细胞成分（）。 A.成牙本质细胞 B.成纤维细胞 C.淋巴细胞 发布时间：2017-05-11 11:50 │ 来源：www.tikuol.com 题型：单项选择题 问题： 下列哪项不是牙髓组织的细胞成分（）。A.成牙本质细胞B.成纤维细胞C.淋巴细胞D.防御细胞E.储备细胞
题型：单项选择题 均匀性脂肪肝的超声表现为（）A.肝脏增大，实质回声降低B.肝表面尚光滑，实质回声均匀性增高、细密，常伴深部回声衰减，肝静脉变细C.肝脏增大，实质回声增粗、增高，分布不均匀D.实质回声呈网状E.肝实质内可见众多的片状低回声区，边缘欠清，无球体感 查看答案
题型：单项选择题 工作总时差是( )。A．在不影响紧后工作最早开始时间前提下，本工作的机动时间B．在不影响紧后工作最迟完成时间前提下，本工作所具有的机动时间C．在不影响总工期前提下，本工作所具有的机动时间D．在不影响紧前工作最早完成时间前提下，本工作所具有的机动时间 查看答案
题型：单项选择题 Artificial flowers are used for scientific as Well as for decorative purposes. They are made from (51) of materials, such as wax and glass, so skillfully that they can scarcely be (52) from natural flowers. In making such models, painstaking skill and artistry are called for, (53) thorough knowledge of plant structure. The (54) of glass flowers in the Botanical Museum of Harvard University is the most famous in North America and is widely known (55) the scientific world. (56) , there are several thousand models in colored glass, the work of two artist naturalists, Leopold Blalschka and his son Rudolph. The intention was to have the collection (57) at least one member of each flower family native to the United States. (58) it was never completed, it contains more than seven hundred species representing 164 families of flowering plants. (59) detail of these is accurately reproduced in color and structure. The models are (60) n locked cases as they are too valuable and fragile for classroom use.A．concentrationB．gatheringC．collectionD．assembly 查看答案
题型：单项选择题 某产妇，25岁，宫内妊娠35周，因头昏、头痛3天就诊。查血压160／110mmHg，水肿（++），宫高35cm，腹围90cm，LOA，胎心音140次／分，无宫缩，尿蛋白定性（+++），定量75g／24小时。上述患者治疗过程中，孕妇突感阵发性腹痛， * * 少量流血，此时可能诊断是（）A.先兆早产B.胎盘早剥C.前置胎盘D.胎膜早剥E.子宫破裂 查看答案