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Do you know how to plant a grape tree? Let me tell you. First, put some soil in a pot. Then put a grape seed in the soil. Water the seed. Put it in the sun. When it’s dry again, water it. You can see the sprout(芽) in a few weeks. Don’t forget to put it in the sun every day. Wait, you can see a big plant in several months. When can it grow grapes? Wait, it will take a long time.
1．First, put a grape seed in the soil.2．Then put a grape seed in the soil, water it.
3．When the soil is dry again, water it.
4．Don’t forget to put the pot in the sun every day.
5．Wait for the grape tree to grow is a short time.
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
