1. 我们经常在春天放风筝。
We often __________ __________in spring.
2. 我的弟弟在忙着写作业。
My brother is __________ __________ his homework.
3. 小明和他的哥哥正在堆雪人。
Xiaoming and his brother are __________ a __________.
4. 在秋天,天气变得越来越凉爽。
In autumn, the weather gets __________ and __________.
5. 让我们扫雪吧。
Let’s __________ the__________.

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

