某校“我是小小演说家”演讲比赛中，15名选手的成绩如图所示，则这15名选手成绩的众数和中位数分别是（    ）

“红军不怕远征难，万水千山只等闲。”中国工农红军从江西瑞金出发，纵横十余省，最终到达陕北。关于长征起止点所在地的自然特征，下列说法正确的是（  ）

集合$A=\left\{x|-2<x<2\right\},B=\left\{x|x^2-2x\le 0\right\}$,则$A\cap B$=(   )

    Taking good notes is a time-saving skill that will help you to become a better student in several ways.____Second,your notes are excellent materials to refer to when you are studying for a test.Third,note-taking offers variety to your study time and helps you to hold your interest.

    You will want to take notes during classroom discussions and while reading a textbook or doing research for a report.____whenever or however you take notes,keep in mind that note-taking is a selective process.____

    The following methods may work best for you.

    Read the text quickly to find the main facts and ideas in it.

    Carefully read the text and watch for words that can show main points and supporting facts.

    Write your notes in your own words.

    ____

    Note any questions or ideas you may have about what was said or written.

    As you take notes,you may want to use your own shorthand(速记).When you do,be sure that you understand your symbols and that you use them all the time,____

A.Use words,not complete sentences.

B.There are three practical note-taking methods.

C.You must write your notes on separate paper.

D.Otherwise,you may not be able to read your notes later.

E.You will also want to develop your own method for taking notes.

F.That means you must first decide what is important enough to include in your notes.

G.First,the simple act of writing something down makes it easier for you to understand and remember it.