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| A. Because I can make a snowman. B. Yes, he is. C. At 7:20. D. They are playing chess. E. No, they aren’t. F. I usually play football. G. He’s in the kitchen. H. He is listening to music. I. Summer. J. It’s Lily’s. |
1．When do you go to school?
2．What do you usually do on Saturdays?
3．Why do you like winter?
4．Where is Mike?
5．What is your father doing?
6．What are they doing?
7．Are they cleaning the room?
8．Is he playing football?
9．Which season do you like best?
10．Whose book is this?
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
