1. Flowers in the garden are colourful (五颜六色的). They are red, ______ and ______.
2. What do you see in the river? We see some geese (鹅), some ______ and some ______.
3. Look at my plants. They have long roots. They have ______ flowers and_____ leaves.
4. The boys in my class can play badminton, ______, ______ and so on.
5. What does your cousin do on Sundays? She reads a story book, ______to the cinema and______ to music.
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