皮皮学，免费搜题
登录
搜题
【多选题】
以下关于茎叶图的描述正确的是( )。A.
把样本中的每个数据分为茎与叶,把茎放于一侧,于另一侧,就得到一张该样本的茎叶图;
B.
比较两个样本时,可画出背靠背的茎叶图。
C.
茎叶图保留数据中的全部信息,当样本量较大时数据很分散;
D.
横跨二,三个数量级时,茎叶图并不实用。
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】编程实现输入今天的日期,输出明天的日期。
【判断题】Once you’ve made the sale, it’s important to close the sale, reinforce the buyer’s decision and leave. prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
正确
B.
错误
【单选题】The writer of this passage__________.
A.
agrees with the conclusions which were suggested in the books about the Bermuda Triangle
B.
is shocked by the large number of deaths in the Bermuda Triangle between 1945 and 1975
C.
thinks perhaps the weather has something to do with the disappearances
D.
is sure that some of the disappearances were caused by instruments that failed to work
【单选题】In the first sentence, the writer says 'it is claimed' because ______.
A.
he agrees with the statement
B.
everyone agrees with the statement
C.
no one agrees with the statement
D.
he wants to distance himself from the statement
【单选题】The writer probably agrees that,
A.
the world is changing faster than before
B.
young people are lazy and refuse to grow up
C.
the odyssey years is an easy time for young people
【单选题】We may draw the following conclusion that the writer probably agrees that distance education ______.
A.
will solve all the problems in the education system
B.
will provide a framework to answer the challenges in the future
C.
can serve as a supplanting method to the traditional education
D.
can address the constraints faced by both teachers and the learners
【简答题】输入今天的日期,输出明天的日期。编程实现。
【单选题】The writer probably agrees that____________
A.
one should never give up half way
B.
setting a goal is the key to success
C.
one can learn by making and correcting mistakes
D.
trying but failing to reach the goal is still meaningful
【简答题】随着人类对温室效应和资源短缺等问题的重视，如何降低大气中CO 2 的含量及有效地开发利用CO 2 ，引起了各国的普遍重视。 （1）目前，用超临界CO 2 （其状态介于气态和液态之间）代替氟利昂作冷剂已成为一种趋势，这一做法对环境的积极意义在于__________________________。 （2）将CO 2 转化成有机物可有效实现碳循环。CO 2 转化成有机物的例子很多，如 以上反应中，最节...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
