【简答题】触发器是一种具有____功能并且在触发信号作用下会翻转状态的电路,有两个稳定状态,即____态和____ 态。
【多选题】对长期发热患者分离培养布鲁菌时可考虑( )
D.
用5%~10%C02,并延长培养时间至2~3周
【简答题】触发器具有______个稳定状态,即______态和______态,在输入信号消失后,它能保持______。
【简答题】Read the following text and answer the questions below. The Greenwood Boys are a group of pop singers. At present, they are visiting all parts of the country. They will be arriving here tomorrow. They...
【单选题】一新生儿,生后10天拒乳、体温不升、不哭、黄疸及尿少。体检:皮肤呈大理石样花纹样,血压下降,皮肤瘀斑,血白细胞20×109/L。该患儿最可能的诊断是( )
【简答题】Read the following text and answer the questions below. The Greenwood Boys are a group of pop singers. At present, they are visiting all parts of the country. They will be arriving here tomorrow. They...
【简答题】患者,男性,主诉1月前出现间断性左膝部疼痛、肿胀,疼痛逐渐加重并转为持续剧烈疼痛,以夜间为重,查体:左膝部可见肿块,有压痛,局部皮温高患者最有可能的诊断A、骨肉瘤 B、骨巨细胞瘤 C、骨软骨瘤 D、骨髓瘤 E、尤文肉瘤 经X线片检查可见Codman三角,指的是A、三角形骨膜反应阴影 B、三角形骨质破坏 C、膝部软组织肿胀呈倒三角 D、肿瘤血管长入呈三角形分布 E、新生骨向骨外生长,基底广,尖部小 ...
【判断题】一般认为矿物元素浓度较高时有利于促发茎、叶,而较低时有利于生根,所以生根培养时多采用1/2、1/3或1/4量的MS培养基
【简答题】Read the following text and answer the questions below. The Greenwood Boys are a group of pop singers. At present, they are visiting all parts of the country. They will be arriving here tomorrow. They...