A philosopher once said, "You should not only smile when you are happy, but also learn to smile when you are in trouble." Smiling is a sign of confidence, magnanimity and generosity.

1.② Write a speech (or "write a speech");

? (3) be familiar with the speech (or "recite the speech") (the steps are reasonably designed, logical and clear)

2. Example 1: Put aside all troubles and stay in a happy heart;

? Example 2: Sunshine dispels haze, while smile dispels troubles;

? Ex. 3: Leave the pain behind and let the smile walk with us.

3. Example 1: Edison laughed thousands of times and failed thousands of times. After thousands of experiments, he finally invented a durable electric light.

? Ex. 2: Beethoven still focused on composing music, leaving immortal works for the world.

4. Example: ① Poetry recitation contest; (2) composition competition; 8 theme class meeting; (4) Handwritten newspaper exhibition; ⑤ Special reports, etc.

(There is no uniform answer)