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【单选题】
对于测量的数据量不大，并且比较精确时，我们一般用下列哪种方法比较合适？A.
拟合的方法比较合适
B.
插值和拟合都合适
C.
插值的方法比较合适
D.
插值和拟合都不合适
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反馈参考答案：
举一反三
【简答题】根据客户对待投资中风险与收益的态度．可以将客户分为三种类型，即风险厌恶型、风险偏爱型和风险中立型。( )
【单选题】Wolf is a 30 years old man who had a history of peptic ulcer. He Suddenly suffered for severe pain on the upper abdomen for 5 hours, accompanied by sweating, irritability, and taking the antacids coul...
A.
abdominal muscle tension
B.
abdominal percussion note was tympany
C.
positive abdominal shifting dullness
D.
decreased abdominal breathing
E.
bowel sounds disappeared
【单选题】Changes in irritability after tissue excitation, which of the following is not in it ( )
A.
absolute refracrory period
B.
relative refractory period
C.
supranormal period
D.
rest period
E.
subnormal period
【单选题】Changes in irritability after tissue excitation, which of the following is not in it ( )
A.
absolute refracrory period
B.
relative refractory period
C.
supranormal period
D.
Rest period
E.
subnormal period
【单选题】What is the major landmark of puberty for females ?
A.
beginning of menstruation
B.
anxiety
C.
irritability
D.
beginning of growing
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