某医院临床实验室为了配合甲型H1N1流感诊治的需要，拟开展甲型H1N1流感病毒核酸检测,甲型H1N1病毒分离鉴定,血,尿,粪常规检测,生化常规检测,血气分析,T细胞亚群分析等工作，医院为实验室配备了一台A2型生物安全柜，为工作人员准备了一定数量的防护用品，疑似甲型H1N1流感患者的样本由专人进行运送。
进行甲型H1N1病毒核酸检测人员的最佳个体防护应为
A:穿工作服,戴外科口罩 B:穿工作服，戴N95口罩 C:穿工作服,隔离衣或连体衣，戴帽子,外科口罩 D:穿工作服,隔离衣或连体衣，戴帽子,外科口罩,单层一次性手套，穿不露脚趾的实验鞋 E:穿工作服,隔离衣或连体衣，戴帽子,N95口罩,双层手套，鞋套或专用实验鞋，护目镜或面罩 F:工作服即可
已知x（n）=1，其N点的DFT［x（n）］=X（k），则X（0）=（）。
A:N B:1 D:-N
已知x（n）=δ（n），其N点的DFT［x（n）］=X（k），则X（N-1）=（）。
A:N-1 B:1 D:-N+1
已知n=n1+n2，则（）。
A:（F／P，i，n）=（F／P，i，n1）+（F／P，i，n2） B:（F／P，i，n）=（F／P，i，n1）×（F／P，i，n2） C:（P／F，i，n）=（P／F，i，n1）+（P／F，i，n2） D:（P／F，i，n）=（P／F，i，n1）×（F／P，i，n2）
在VFP中不是<范围>选项中的内容是( )。
A:NEXT n B:RECORD n C:REST D:G0 n
retun n*Fun(n-1);
A:int Fun(ira n) B:int Fun(int n) C:int Fun(int n)
The figure below shows a record used for recording information about a named event. Which of the following statement is incorrect VAR r:record event:array[1..10] of char; place:array[1..20] of record plname:array[1..15] of char; date: array[1..5] of record mo:l..12; day:l..31; year:integer end end end;
A:This is a one-dimensional array of records, also called a tabl B:This is so called record of arrays; C:The event can occur in up to 20 places and on up to 5 different dates in each plac D:A reference to placdatmo will access the month of the jth occurrence, in the ith place, of
下列程序段的执行结果为______。 Dim n As Integer n=10 While n ＜＞ 0 n=n-1 Wend Print "n="; n
A:n=0 B:n=1 C:False D:n=-1
The figure below Shows a record used for recording information about a named event. Which of the following statement is incorrect ( ) VAR r: RECORD event: ARRAY[1.. 10] of Char; place: ARRAY[1.. 20] of RECORD plname: ARRAY[1.. 15]of Char; date: ARRAY[1.. 5] of RECORD mo: 1.. 12; day: 1..31; year: Integer END END END;
A:This is a one—dimensional array of records, also called a table B:The event can occur in up to 20 places and on up to 5 different dates in each place C:This is so called record of arrays D:A reference to place, date, mo will access the month of the jth occurrence, in the ith place, of the event named in event
单项选择
