癌是指() A.来自上皮组织的恶性肿瘤 B.来自间叶组织的恶性肿瘤 C.来自胚胎组织 发布时间:2017-04-03 00:27 │ 来源:www.tikuol.com 题型:单项选择题 问题: 癌是指()A.来自上皮组织的恶性肿瘤B.来自间叶组织的恶性肿瘤C.来自胚胎组织的肿瘤D.来自平滑肌的肿瘤E.来自骨组织的肿瘤
题型:单项选择题 已知A23=3×2=6,A35=5×4×3=60,A45=5×4×3×2=120,A46=6×5×4×3=360…观察前面的计算过程,寻找计算规律计算,A37= (直接写出结果)并比较A310 A410(填“>”或“<”或“=”) 查看答案
题型:单项选择题 —I feel stressed out. I have so much work to do every day. —You'd better not work too hard. It's good for you to take some _____, I think.A. health B. exercise C. lesson D. work 查看答案
题型:单项选择题 患者女性,21岁。春游后受凉,出现咽痛、干咳、乏力、发热38℃9天,近几日纳差并四肢肌肉酸痛,X线检查显示下肺部多形性浸润影,呈节段性分布。下列最有助于诊断的检查是()A.血常规B.尿常规C.肝功能D.冷凝集试验E.血清肺炎支原体抗体测定F.痰细菌培养 查看答案