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I did something special on my vacation. I went to the Hangzhou National Tea Museum. It’s near a lake. 1.它是令人放松的地方。The tea art performances are wonderful. They show how to make a perfect cup of tea with beautiful tea sets. 2. Drinking tea is enjoyable. As you know, 3. China is famous for tea. Tea is produced in many different areas in China.4. Tea is sent to many different countries. It’s good for both health and business. Many people drink Chinese tea. 5.茶是中国文化的一部分。In China, tea has a very long history, and Hangzhou is widely known for its tea.
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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
