搜索
班级将举办英语演讲比赛，请根据思维导图，以“How to Be Happy”为题目，写一篇90词左右的演讲稿。开头和结尾已经给出（不计入总词数）。
要求：1. 短文应条理清楚，行文连贯，段落分明。
2. 短文中不能出现真实的姓名、学校、地名等信息。
3. 短文应包括全部信息，可围绕主题适当发挥。
Good morning, everybody! The topic I want to talk about today is “How to Be Happy”. The following are my suggestions.
________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
同类型试题
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
