It was Teachers’ Day last Sunday. Yang Ling and Liu Tao went t visit their teacher Mrs Zhang. She was their Chinese teacher three years ago. She is fifty-nine years old. She doesn’t work any more (不再). Mrs Zhang was happy to see Yang Ling and Liu Tao. She cooked nice food for them. They had lunch happily together. After Yang Ling and Liu Tao worked in Mrs Zhang’s garden. They helped Mrs Zhang water flowers. They were very happy.
1.Last Saturday was Teachers’ Day.2.Mrs Zhang taught English three years ago.
3.Mrs Zhang is an old woman.
4.Mrs Zhang has a garden.
5.Yang Ling and Liu Tao helped Mrs Zhang clean the house.
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同类型试题
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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
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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
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