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Yesterday was Saturday. It was fine. Tim went to the zoo with his family. There are four people in his family. They are Mr and Mrs Black, Ella and Tim. They went there by bus. There were many animals at the zoo. Ella saw a mother elephant and a baby elephant. Tim took a lot of photos of the lovely pandas and the monkeys. They had a good time.
1．Yesterday was Friday.2．It was not a fine day.
3．They went to the zoo by bike.
4．Tim took a lot of photos of the lovely pandas and the monkeys.
5．There are four people in Tim’s family.
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
