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Yesterday was Saturday. I was in the supermarket with my mum. There was lots of food in the supermarket. We were on the second floor. There were some vegetables and fruit there. Today I’m in the park with my friends. There is a big lake and some naughty ducks. It’s fun. Tomorrow I will go to school. I will have many classes. I will try hard.
1．It was Sunday yesterday.2．The vegetables were on the second floor.
3．Mum and I are in the park today.
4．I will go to school on Monday.
5．I will try hard at school.
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
