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1. He is a ________ (teach) of that school.
2. We are going to stay at home at the ________ (week).
3. We have water ________ (pollute) round us.
4. How about ________ (go) cycling this afternoon?
5. ________ (She) mother is a nurse in this hospital.
6. —What's the weather like today?—It's ________ (sun).
7. I ________ (come) back at four this afternoon.
8. My ________ (class) often plays with me on Saturdays.
9. Can you talk to ________ (they) tonight?
10. We like ________ (collect) ________ (shell).
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
