对出具的计量检定证书和校准证书,以下()项要求是必须满足的基本要求。 ["应准确、清晰和客观地报告每一项检定、校准和检测的结果","应给出检定或校准的日期及有效期","应给出合格与否的结论","应有责任人签字并加盖单位专用章"]
结肠脾曲癌肿,其手术方式应为() ["横结肠切除术","左半结肠切除术","右半结肠切除术","乙状结肠切除术","全结肠切除术"]
患者,男性,48岁,右下腹痛2个多月,近半月消瘦明显,查体右髂窝处可触及鸭蛋大小的包块,表面不光滑,位置较固定,本例肠道肿瘤的病理分型属于() ["增生型","浸润型","溃疡型","表浅型","混合型"]
个体寿命超过两年、能多次开花结实且地下部分的形态正常的花卉叫宿根花卉。下列植物中属于宿根花卉的是() ["万寿菊","水仙","萱草","鸡冠花"]
江淮气旋一年四季皆可形成,但以()较多。 ["春、秋季","春、夏季","夏、秋季","春、冬季"]
试述脑死亡的诊断要点。