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Li Ming: This is Li Ming speaking.
Jenny: Sports Day is coming. Let’s do some training.
Li Ming: OK. Let’s go to the playground.
Jenny: Look! What’s Wang Hong doing?
Li Ming: She’s doing the long jump.
Jenny: Is that Guo Yang?
Li Ming: Yes. He’s running fast.
Jenny: Where’s Danny?
Li Ming: Look! Danny is skipping with Peter.
Jenny: Let’s go to skip with them.
Li Ming: OK. Let’s go!
Sports Day is coming. Li Ming and his friends are training on the 
. Wang Hong is doing the jump. Guo Yang is .
Danny is
with Peter. Jenny and Li Ming will go to with them.
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
