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How are you? I’m in Wuhan now. It’s very beautiful here. The weather is very nice. It’s sunny. My father and I go outside every day. It’s 12 o’clock now. It’s time for lunch. We have some beef and vegetables for lunch. They are yummy. I like them very much. How about you? Is it nice in Shanghai?
Yours,
Sarah
1．It’s sunny in Shanghai.2．Amy is in Wuhan now.
3．Sarah has some beef and vegetables for lunch.
4．Sarah and her father go outside every day.
5．Sarah likes beef and vegetables very much.
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
