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1. Look, the old man (water) the flowers in the garden.
2. The sign (mean) “Do not touch”.
3. Liu Tao likes (play) football very much.
4. These (watch) are from his parents.
5. This is not (I) bag.
6. Helen dances (beautiful).
7. — What does that sign mean?
— It means you shouldn’t ___________ (litter) there.
8. — Can you see that sign?
— Yes, I think it means “No _____________ (swim)”.
9. My grandfather ____________ (take) a walk with his dog after supper every day.
10. — Who ______________ (teach) you Chinese lessons?
— Mr Li.
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
