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【多选题】
在紫外分光光度法定量分析中，测定条件的选择包括有（ ）A.
控制溶液吸光度在0.2~0.7范围内
B.
选择吸收最大、干扰最小处的波长
C.
应选择吸收光谱中靠近基线部分的波长为测定波长
D.
选择适宜的空白溶液
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举一反三
【单选题】In China Atoday, most university students Bare depend Con their parents Dfor finance aid.
A.
B.
C.
D.
【单选题】The underlined sentence in Paragraph 2 means that ______.
A.
the schools and parents are connected by the Internet so that teachers will leave school
B.
parents can find out what happens with their children in school by visiting the Internet and so will the teachers
C.
parents and educators may discover that schools are strange by using computers
D.
the schools are online parents now can teach their children and the teachers are to go
【单选题】As the sole heir and focus of their parents’ expectations, hopes and dreams, some react with rebellious and prideful attitudes and behavior toward their parents.
A.
hopes and dreams, some react with rebellious and prideful attitudes and behavior toward their parents.
B.
some react with rebellious and prideful attitudes and behavior toward their parents.
C.
some react with rebellious and prideful attitudes and behavior.
【单选题】正常情况下,颈动脉窦内压在下列哪个范围内变动时,压力感受性反射的敏感性最高
A.
4.00~6.67kPa(30~50mmHg)
B.
9.33~12.0kPa(70~90mmHg)
C.
12.0~14.7kPa(90~110mmHg)
D.
17.3~20.0kPa(170~190mmHg)
E.
22.7~25.3kPa(170~190mmHg)
【多选题】患儿男，10岁，因“低热伴头痛、咽痛和腹痛2d，进食困难，嗜睡6h”来诊。时有哭闹不安。1周前曾被流浪猫咬伤。查体：T38℃；意识清楚，查体合作；心、肺无异常；颈强直，四肢肌张力增高；左小腿一较深伤口，局部红肿。为明确诊断，应进行的检查项目包括（）
A.
血常规
B.
尿常规
C.
血细菌培养
D.
脑脊液常规
E.
脑脊液病毒分离
F.
红细胞沉降率和血C-反应蛋白
【单选题】1940年某市成立了机械工业学院,1960年改为某市机械职工学院,1985年该校与本市冶金专科学校、化工专科学校合并为某市工学院,1987年又改为某市工业大学。请问:在上述机构变化中共出现( )个全宗。
A.
3
B.
4
C.
5
D.
6
【单选题】下列审计活动中,不属于计算机审计活动的是:
A.
审计人员对被审单位的电子数据所进行的审计
B.
审计人员用计算机审计方法和技术对被审单位账簿所进行的审计
C.
审计人员利用计算机审计方法和技术对被审单位信息系统所进行的审计
D.
审计人员用手工审计方法和技术对纸质账簿所进行的审计
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