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Dear all，
Attention, please! There is going to be a meeting in our school hall at 15：00 this afternoon. It is about How to build a civilized school(文明校园). All the students please take your notebooks and pens to take part in it. At the meeting, our headmaster is going to give us an important speech. Wang Ning, Chairman of the Students' Union will read the proposal(倡议书) and the activity plan. If you have any suggestions, please email us at zcwmxy@163.com. Be sure to attend the meeting on time!
Voice of English
| Information of the Meeting | |
| Meeting time： | 1. |
| Meeting place： | 2. |
| Topic of the meeting： | 3. |
| What to take： | 4. |
| Email address： | 5. |
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
