Hello. I’m Jack. It was Sunday yesterday. I had a good time. I went to the zoo with my friends. We met at eight o’clock. We went to the zoo by bus. It was sunny. We saw many animals at the zoo. We sat under a big tree and had lunch at twelve o’clock. We ate delicious food. We also bad some drinks. We felt tired but happy. It was great fun.
1.It is Monday today.2.Jack went to the park yesterday.
3.Jack had lunch at twelve o’clock.
4.Jack and his friends saw many animals at the zoo.
5.They felt tired but happy.
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