(1)A. They usually visit their relatives and friends.
B. They usually go to parties and have a big lunch.
C. They usually watch the moon and eat the moon cakes.
(2)A. No, I did. B. Yes, I do. C. Yes, I did.
(3)A. It’s on the first of October
B. It’s on the first of February.
C. It’s on the first of January.
(4)A. I am in Nanjing. B. I was in Nanjing. C. I planted many trees.
(5)A. It’s John’s birthday friend.
B. It’s from Helen’s grandparents.
C. It’s under the Christmas tree.
(6)A.It is on the 1st of June.
B.It was the 1st of June
C.It was on the 1st of June.
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