单选题
发布日期:2021-03-22
bolts welded into the cylinder head
bolts welded into the cylinder frames
studs screwed into the cylinder head
studs screwed into the cylinder frames
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设总体X服从泊松分布,,其中λ>0为未知参数,x1,x2,…,xn为样本,,下面说法中错误的是 ( )
新型隐球菌脑膜炎与下列哪种疾病最相似()
患者,女,30岁。反复上腹痛1年,饥饿时加重,进食后减轻。近1周来进食后上腹部胀痛加重.但大量呕吐后减轻。查体:轻度脱水。上腹部膨隆有振水音。应首先考虑的是()。
患者女,38岁。乳房胀痛,内有硬结,随喜怒而消长,伴胸闷胁痛,善郁易怒,失眠多梦。舌质红,苔黄厚,脉弦滑数。B超示:乳部不均匀回声区,以及无回声囊肿。本案例针灸治疗,除主穴外,还应配用的穴位是()。
骨样骨瘤的临床特点()
进行甲乙两地1995年5种不同类型病毒性肝炎发病率的比较,宜采用( )。
弄清引起环境问题的原因和形成机制最适用的评价类型为( )。
韦氏智力测验是当今世界范围内使用较广的个别智力测验,而韦氏智力测验的年龄范围也从4岁持续到74岁,并且首次采用离差智商的方法表示智力发展水平。下列关于韦氏学龄前和学龄初期儿童智力量表的说法中,不正确的是()。
蜗杆的标准参数在轴面,蜗轮的标准参数在端面。
需修理或需倒装后修理车辆,须在填插有关色票的同时填发()。
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