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要求：1.不少于五句话，可以适当想象，首句提示已给出。
2.书写规范，语句通顺，没有语法错误，标点符号正确。
Who? | What is he/she doing? |
Zhang Peng | do his homework |
Zhang Peng’s brother | clean his room |
mother | cook dinner |
father | wash clothes |
grandma | water the flowers |
What are they doing?
This is Zhang Peng’s family. What are they doing now? Zhang Peng is _________________________________
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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
