题目内容

在Visual FoxPro中,将所有以a字母开头的变量存放在名为amemfile的内存变量文件中,用到的命令是______。

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46岁。因患类风湿关节炎长期服泼尼松30mg/d。今起出现发热,伴气急、咳嗽、痰多,肺部闻及湿啰音,胸片示双肺弥漫性渗出性改变,动脉血气分析示PaO245mmHg,PaCO235mmHg,拟诊ARDS。 经治疔后,患者病情有好转,以SIMV模式辅助通气,呼吸频率6次/分,PEFP5cmH2O,SpO295%,准备试脱机,下列监测指标哪项提示不能顺利脱机

A. 自主呼吸频率<25次/分
B. 动脉血气PaO2>75mmHg
C. Vt>0.6ml/kg
D. 最大吸气压<20cmH2O
E. 血压90/60mmHg

左无名静脉受压迫可出现()。

A. Horner综合征
B. 声音嘶哑
C. 左上肢静脉压高于右上肢
D. 主动脉瓣关闭不全症状、体征
E. 对侧鼻唇沟变浅

Conversation 2Questions 8 to 10 are based on the conversation you’ve just heard.[听力原文] 8-10M:Hi I have some good news for you.W:What is itM:The teacher suggested that we go on a trip this Saturday.W:Oh,wonderful. Where shall we goM:How about going to the parkW:I don’t think it’s a good place to go to. We can go there another time. We should so farther away this time.M:Where do you think we should go thenW:How about the river in the suburbsM:I don’t think it’s a good idea. It’s not safe. Why not go to the mountains insteadW:That sounds good. Let’s go to the mountains to the south of the city. When will they go on a trip()

A. On September 10.
B. On October 26.
C. On Sunday.
D. On Saturday.

在Visual FoxPro中,假设有一个表RSDA,其结构如表3所示。 表3 RSDA表的结构 字段名 字段类型 字段宽度与小数位 备注 XM C 8 姓名 NL N 3 年龄 CSRQ D 8 出生日期 JBGZ N 7,2 基本工资 JJ N 7,2 奖金 现在要为结构复合索引文件建立一个名为XC的索引标识符,该索引标识符先按姓名升序排列,如果姓名相同再按出生日期升序排列,以下正确的命令是______。

A. INDEX ON XM+CSRQ TO XN
B. INDEX ON XM+STR(CSRQ)TO XN
C. INDEX ON XM+DTOC(CSRQ)TAG XN
D. INDEX ON XM+DTOC(CSRQ,1)TAG XN

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