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There is a seed on the ground. It's very small and no one notices (注意) it. It goes into the earth(土地). When it's rainy, the seed is thirsty and drinks much rain. When it's sunny, it enjoys the sunshine. Then it grows a small leaf on its head. It grows and grows. It has many big leaves. Now it has a big red flower. It is beautiful.
1．The seed is very small and no one notices it. （______）2．The seed goes into the water. （______）
3．The seed likes the rain and the sunshine. （______）
4．Now it has a big yellow flower. （______）
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
