二次函数y=ax²+bx的图象如图，若一元二次方程ax²+bx+m=0有实数根，则m的最大值为____ ．

1)表示歉意:

2)解释具体原因，并希望他能谅解;

3)告诉他下次练习的时间、地点及话题。

注意: 1)词数100 左右;

2)可适当增加细节，以使行文连贯。

完型填空。

    Life is not easy, but I'd like to say “When anything happens, believe in yourself.”

    When I was young, I was 1 nervous that I couldn't talk to anyone. My classmates often laughed at me. I was 2and couldn't do anything. Later, one thing changed my life. My mother asked me to 3 an English speech contest (比赛). What a(n)4 idea! It meant I had to speak in front of many teachers and students!

    “Come on, dear. Believe in yourself. You are sure to succeed(成功).” Then, mother and I 5 many different topics(话题). 6, I chose the topic “Believe in yourself”. I 7 to remember the whole speech and practiced it over 100 times.8my mother's great love, I was successful. When I heard the news, I almost couldn't believe my 9, when the news came that I had won the first place. I heard the cheers from the teachers and students. Some students looked down on (瞧不起) me before, but they all said “Congratulations!” to me. My mother cried excitedly and10.

    Since then, when I do anything, I try to tell myself to be confident.

易中天在《帝国的终结》中说，“秦，虽死犹存，它死得悲壮。”从政治上看，秦“虽死犹存”主要是指（    ）