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| A. Yes, I do. B. It’s a plane. C. They’re toy planes. D. It’s Jim’s watch. E. I’m reading. F. I can see a ball. G. I’m in Class Five, Grade Four. H. It’s under the desk. I. No, I’m not. J. Three. |
2．What can you see in the box?
3．What class are you in?
4．Are you a teacher?
5．What’s this in English?
6．Whose watch is it?
7．How many boys can you see?
8．What are these?
9．Do you have a pen?
10．What are you doing?
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
