女患,54岁,1年前开始右上肢疼痛,咳嗽时加重,5个月前右上、下肢逐渐无力,伴左下肢麻木逐渐向上扩展。查体:右上肢肌力4级,肌张力减低,腱反射(-);右下肢肌力3~4级,肌张力增强,腱反射(++++)。右上肢关节位置觉和音叉振动觉消失,左T1水平以下痛、温觉缺失。病变部位在()
A. 左侧颈膨大及上胸髓
B. 右侧颈膨大及上胸髓
C. 双侧颈膨大
D. 左侧颈膨大
E. 右侧颈膨大
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在你出生时,你的父母在你的每一个生日为你存款2000元,作为你的大学教育费用。该项存款年利率为6%。在你考上大学(正好是你20岁生日)时,你去银行打算取出全部存款,结果发现在你4岁、12岁时生日时没有存款。问你一共可以取出多少存款?假如该项存款没有间断,你可以取出多少存款?
You are creating a Web Form. You write the following code segment to create a SqlCommand object.Dim conn As SqlConnection = New SqlConnection(connString)conn.Open()Dim cmd As SqlCommand = conn.CreateCommand()cmd.CommandText = "select count(*) from Customers"You need to display the number of customers in the Customers table. Which two code segments can you use to achieve this goal?()
A. Dim customerCount As Object = cmd.ExecuteScalar()lblCompanyName.Text = customerCount.ToString()
B. Dim customerCount As Integer = cmd.ExecuteNonQuery()lblCompanyName.Text = customerCount.ToString()
C. Dim dr As SqlDataReader = cmd.ExecuteReader()dr.Read()lblCompanyName.Text = dr(0).ToString()
Dim dr As SqlDataReader = cmd.ExecuteReader()dr.Read()lblCompanyName.Text = dr.ToString()
男,42岁,呕吐、腹泻2天,意识模糊、烦躁不安半天急诊入院。查体:BP110/70mmHg,神志恍惚,巩膜中度黄染,颈部可见数枚蜘蛛痣。心肺未见异常,腹软,肝肋下未触及,脾肋下3cm。双上肢散在出血点,Hb90g/L,WBC3.22×10/L,血糖7.0mmol/L,尿糖(+),尿酮(-),尿镜检(-)。最可能的诊断是()
A. 肝性脑病
B. 糖尿病酮症酸中毒
C. 高渗性非酮症糖尿病昏迷
D. 尿毒症
E. 脑血管病