编制简单频数分布表的步骤是什么?
参考答案:求全距、决定组数与组距、决定组限、登记频数。
Bill is from Australia. He lives in Sydney. He can speak French and English, but he can' t speak Chinese. He has a pen pal in the United States. Her name is Lisa and she lives in New York. Bill' s favorite sport is basketball and he can play the guitar. Lisa' s favorite sport is tennis. She can't play the guitar, but she can play the piano and sing very well.
小题1:Bill is from .
A.Australia
B.France
C.the United States
D.the UK小题2:Lisa is an .
A.Chinese
B.American
C.English
D.Japanese小题3:What languages does Bill speak?
B.French
D.B and C小题4:What is Bill' s favorite sport?
A.tennis
B.volleyball
C.soccer
D.basketball小题5:Which sentence is NOT right?
A. Bill has a pen pal in the USA.
B. Bill can play the piano and Lisa can play the guitar.
C. Bill and Lisa like different sports.
D. Lisa lives in New York.
1岁半女婴,腹泻、呕吐5~6天,14小时无尿。体检:神志模糊,面色苍灰,口唇樱红,呼吸深快,前囟、眼窝深凹,哭无泪,皮肤弹性差,有花纹,四肢冰冷,脉细弱,心肺(-),腹稍胀。紧急给予治疗为()
A.1:1液20ml/kg,静脉推注
B.2:1等张含钠液20ml/kg,静脉推注
C.3:1液150ml/kg,静脉滴注
D.3:2:1液180ml/kg,静脉滴注
E.1.4%NaHCO350ml/kg,静脉推注