(_______) 1.A:What did you eat? B:I ate some cakes.
(_______) 2.A:What did you buy? B:I buy some pictures.
(_______) 3.A:Did Sam help mother? B:No, he didn’t.
(_______) 4.A:Did you eat a banana? B:No, I don’t.
(_______) 5.A:What did the friends drink? B:No, they didn’t.
(_______) 6.A:Did you help your mother? B:Yes, I did.
(_______) 7.A:Did they listen to music? B:Yes, they did.
(_______) 8.A:How old were you in the photo7 B:I’m four.
(_______) 9.A:Is your hair long? B:Yes, it is.
(_______) 10.A:Who are they? B:It was their birthday.
(_______) 11.A:Where are you from? B:I’m from Chinese.

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

