搜索
Hi, I'm Zoom. It's 12 o'clock. It's time for lunch. Jack has lunch with his mother and father. Look! What are those on the roof (屋顶)? Ha! They're birds. 1, 2, 3. . . I can see 6 birds. What's this? It's an apple tree. What are these on the apple tree? They're red apples. I can see 15 apples. They look nice. What are those on the ground? They're ants (蚂蚁).
1．It's twelve o'clock now.2．Jack has lunch with his grandma and grandpa.
3．We can see six birds.
4．The apples on the tree are green.
5．Ten ants are on the ground.
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
