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Date | Weather | Activities |
April 29th |
| Lily visited Peter in the hospital in the morning. Lily went to the zoo in the afternoon. |
April 30th |
| Lily cleaned her room in the morning. Lily saw a film with her cousin Anna. |
May 1st |
| Lily had a birthday party for her brother John. Lily did her homework with her friend Luna. |
2．Lily’s birthday is on May 1st.
3．Lily watched a movie with her cousin Anna on April 30th.
4．On the rainy day Lily did her homework.
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
