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1．春天我经常放风筝。
I often __________ __________ in spring.
2．咱们去找贝壳吧。
Let's go and __________ __________ shells.
3．农民们在忙着收庄稼。
The farmers are __________ __________.
4．小明和他的哥哥正在玩雪。
Xiaoming and his brother are __________ __________ snow.
5．秋天天气越来越凉爽。
In autumn the weather gets __________ and __________.
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
