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| A. It’s a chicken. B. Yes, they are C. It’s over there. D. I’m sorry. E. It’s twelve o’clock. F. Thank you. G. It’s yellow. H. She’s nine. I. It’s ten. J. It’s me. |
1．Who’s this baby?
2．What time is it, please?
3．What colour is the cap?
4．What’s this?
5．How old is Nancy?
6．Are these your chickens?
7．Don’t run in the library, Bobby.
8．Welcome to my school.
9．Where’s the duck?
10．What’s five and five?
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
