题目内容

在杂质定量测定方法验证中常用信噪比确定定量限,一般要求定量限的信噪比为(S/N)

A. 1:1
B. 10:1
C. 100:1
D. 1:10
E. 1:100

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(1)建立一个查询score query。查询评委为“歌手编号”是“01002”的歌手所打的分数,结果存入自由表result中,该自由表的字段项包括:“评委姓名”和“分数”,各记录按“分数”升序排列。最后运行该查询。 (2)根据上一步操作得到的自由表result建立一个报表。要求: ①使用报表向导建立报表,报表中包括“评委姓名”和“分数”两个字段,按“分数”字段降序排列,报表标题设置为空,报表文件命名为score_result。 ②打开报表score result,利用报表控件标签,将“王岩盐得分情况”添加到报表中作为报表的标题。

Directions: You will hear 10 short dialogues. For each dialogue, there is one question and four possible answers. Choose the correct answer—A, B, C or D, and mark it in your test booklet. You will have 15 seconds to answer the question and you will hear each dialogue only once. What is the woman’s reply

A. She knows Professor Arnold has come.
B. She thinks Professor Arnold has checked in.
C. She is sure that Professor Arnold has arrived.
D. She doesn’t know whether Professor Arnold has arrived.

男性患者,43岁。心悸1周,查体:心率120次/分,心律规整,其心悸不可能由于以下哪种疾病所致

A. 甲状腺功能亢进
B. 甲状腺功能减退
C. 贫血
D. 发热
E. 低血糖

男性患者,52岁。3年前行阑尾切除术,1天前出现腹痛,不排气、排便,该患者最有可能出现的情况是

A. 机械性肠梗阻
B. 麻痹性肠梗阻
C. 慢性肠梗阻
D. 痉挛性肠梗阻
E. 血管性肠梗阻

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