1. Before lunch,I always wash my h________.
2. It's hot. We need a f________.
3. Bob often plays basketball. He is a basketball p________.
4. There are many s________ on the sea.
5. There are sixty m________ in an hour.
6. In w________ , the trees don't have any leaves.
7. It's a meeting of friends. People often eat,drink, sing, dance,and have many gifts. It's a p________.
8. It's 7:40 in the morning. The class will b________.
9. Hurry up! Don't be l________.
10. In summer, I like to w________ the boats on the lake.
11. The basketball is h________. The pingpong ball is light.
12. Bob's team played a basketball g________.
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