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Every Friday afternoon, we have sports in the school playground. Some boys usually play basketball in the playground. Some boys run and play football. Sometimes some girls fly kites and some do high jump or do long jump. Now it’s 4:30 p.m. We are playing basketball game. Lin Tao is passing the ball to Wang Ming. “Catch!”he cries. Some pupils are watching. Some girls are cheering for their class team.
1．We have sports on every Friday morning.2．Boys usually fly kites and go boating.
3．Sometimes some girls do high jump or do long jump.
4．Now some pupils are playing basketball.
5．Some boys are cheering for their class team.
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
