目前使用的压力表防冻接头有3种,即()。
A、活塞式、导压式和隔板式
B、活塞式、导压式和波纹管式
C、活塞式、隔板式和波纹管式
D、导压式、波纹管式和隔板式
参考答案:C
读对话,判断正(√)误(×)。
Lynn: Excuse me. Where is the post office?
Rose: It's near the Children's Park. You can go there by the No.1 bus.
Lynn: How can I get to the bus stop?
Rose: Turn left at the traffic lights.
Lynn: Thank you.
( ) 1. Lynn wants to go to the Children's Park.
( ) 2. Lynn goes to the post office by bus.
( ) 3. The bus stop is at the traffic lights.
病历摘要:2岁男孩,持续高热伴咳嗽6天,加重1天,烦燥、气促,青霉素治疗6天无效。体检:体温39.5℃,呼吸65次/分,呼吸急促,口唇青紫,三凹征明显,左肺叩诊浊音,左肺下呼吸音减低,心率158次/分,肝肋下2cm。
下列有关不同病原体肺炎描述正确的是()
A.融合坏死性肺炎病原体是呼吸道合胞病毒
B.多发性肺脓肿肺炎病原体是金黄色葡萄球菌
C.支气管肺炎最常见的病原体是肺炎双球菌
D.喘憋性肺炎常见病原体是呼吸道合胞病毒
E.喘憋性肺炎常见病原体是肺炎支原体
F.融合坏死性肺炎病原体是腺病毒