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It is five in the afternoon. There are a lot of students in the playground. Some are jumping. Some are dancing. Some are playing football! Tom and Mike are playing ping-pong. The man with small eyes are watching them. He is their P.E .teacher. He is a good teacher. The children like him very much.
(1)It's five fifteen in the afternoon.
(2)Their P.E. teacher is a good girl.
(3)The students are playing in the sports hall.
(4)Some students are playing football.
(5)The children don't like their P.E. teacher.
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
