3. It's more important to learn from your mistakes so that you don't repeat them in future. 从你的错误中吸取教训更为重要，这样才能避免在未来重蹈覆辙。
【感知】(1)It is important for students to learn to control their emotions when they feel angry. 对学生来说，当感到生气时学会控制情绪是很重要的。
(2)It is helpful for you to look on the bright side when you face difficulties. 当你遇到困难时，往好的方面想对你是有帮助的。
【思考】通过观察可知，当表示“对某人来说做某事是……的”时，用句型表示。在句中作形式主语，真正的主语是后面的。形容词则用来描述这个动作对某人来说的性质或感受。
【运用】
(1)It is important students follow school rules.
A. of；to
B. for；to
C. of；for
D. for；for
(2)对我们来说，在课堂上认真听讲是必要的。
It is necessary carefully in class.

思考：It is+形容词+for sb+to do...；It；to do不定式
运用：(1) B (2) for us to listen

一、单词拼写与运用
根据所给首字母或汉语提示完成句子。
1. After hearing the good news，everyone in the class felt j and started cheering.
2. The teacher asked us to r the new words three times to remember them better.
3. Don't be m with your little sister—she just made a small mistake.
4. Our team got a high s in the basketball game，so we won easily.
5. It's n to feel a bit nervous before an exam，so you just need to take a deep breath.
6. My parents are p of me because I won the first prize in the English competition.
7. You should b politely when talking to your teachers and classmates.
8. The(教练)of our soccer team taught us many useful skills during practice.
9. Don't use(消极的)words when talking to your friends—they may feel sad if you do so.
10. It's(刻薄的)to laugh at classmates who can't answer questions in class. We should encourage them instead.

一、1. joyful 2. repeat 3. mad 4. score 5. normal 6. proud 7. behave 8. coach 9. negative 10. mean