皮皮学,免费搜题
登录
搜题
【单选题】
下列关于等距离分箱的说法中错误的是()。
A.
等距离分箱能使每个区间内包含的取值个数大致相同
B.
又称为等宽度分箱
C.
若区间个数为 k ,每个区间的间距为 I=(max-min)/k
D.
等距离分箱可能导致属于某些的取值非常多,而某些又非常少
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
【单选题】听力原文:M: Will you come to our English evening? W: Yes, I would if I were in your position. Q: What do we know about the woman? (4)
A.
She cannot find a seat at the party, so she doesn't plan to go.
B.
She doesn't know what to do under such a circumstance.
C.
She won't go to the evening and she also finds an excuse.
【单选题】在人生的社会价值中,居于第一位的是( )。
A.
个人的社会存在
B.
个人对社会的责任和贡献
C.
社会对个人的尊重和满足
D.
个人对自身物质和精神需要的满足
【单选题】听力原文:M: I come to walk with you, Fanny. Shall I? It is a long while since we have had a comfortable walk together. W: Really, Edmund? M: In order to have a comfortable walk, something more is necessar...
A.
two cousins
B.
brother and sister
C.
husband and wife
D.
father and daughter
【判断题】若 在 处 不连续 ,则 在点 处一定 不可微 .
A.
正确
B.
错误
【简答题】Attention to detail is something everyone can and should do — especially in a tight job market. Bob Crossley, a human-resources expert notices this in the job applications that come cross his desk ev...
【简答题】Dear Mr. Black, I’m very thank to you for inviting me to stay with you in the come summer vacation. I have been dreamed of seeing you again so that I can get help from you in my English learning. And ...
【判断题】若 在点 处可微,则 在点 处一定不连续 .
A.
正确
B.
错误
【简答题】集合{a,b,c}的所有非空真子集是 ____ _______________ 。
【单选题】集合 {x , y , z} 的所有非空真子集的个数是
A.
3 个
B.
6 个
C.
7 个
D.
8 个
【简答题】患儿男性,8岁,因在运动后或情绪激动后,发生5次晕厥而收入院治疗。询问家中其他人的健康情况,其兄长12岁时在运动中猝死。查体:体温36.5℃,呼吸20次/分,心率70次/分;心脏听诊,心音有力,节律规整,各瓣膜区未闻杂音。外院心电图检查显示:窦性心律不齐;超声心动图:心脏结构未见异常。为明确患儿晕厥的原因,收入院治疗。入院后,医师对患儿进行了心电图、脑电图、动态心电图、心电图运动实验,同时进行了实...
相关题目: