皮皮学，免费搜题
登录
搜题
【多选题】
某医生使用某三联疗法治疗消化性溃疡120例，共观察到105例有效，有效率为87.5%，故认为此疗法有较好疗效。该分析 。A.
未设立对照
B.
未设立对照
C.
正确
D.
样本量不够
E.
未采用盲法
F.
未贯彻随机化原则
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】When a position is temporary and it doesn’t worth the trouble to recruit externally for the position, a company could then offer to pay bonuses of various types to current employees and entice them in...
【简答题】This is a temporary stop. It stays for ten minutes. Please don’t ______________ the train.
【单选题】The nurse is caring for a female client during her first postoperative day after a temporary colostomy. The client refuses to look at the colostomy bag or the area. A priority nursing diagnosis for th...
A.
denial related to temporary colostomy.
B.
fear related to potential outcome of surgery.
C.
disturbed body image related to temporary colostomy.
D.
altered role functioning related to frequent colostomy bag changes.
E.
anxiety related to temporary colostomy.
【单选题】This is a temporary stop. It stays for ten minutes. Please don’t ______________ the train.
A.
get on
B.
get off
C.
give up
D.
give off
【单选题】汽油发动机低、中速工作良好,高速时工作不平稳,排气管放炮并有断火现象。甲认为,检查火花塞间隙是否过大。乙认为,检查点火线圈是否工作不良。你认为( )。
A.
甲对
B.
乙对
C.
甲乙都对
D.
甲乙都不对
【单选题】When a position is temporary and it doesn’t worth the trouble to recruit externally for the position, a company could then offer to pay bonuses of various types to current employees and entice them in...
A.
headhunting
B.
employee referral
C.
inside moonlighting
D.
campus recruiting
相关题目：