1. Please stamp _______ ______(跺脚). All right.
2. Look! It’s me. ______ _______( 真有趣) !
3. ______ ______(这些是) my legs.
4. The dog has _____ ______(一只眼睛). How poor!
5. Look at _____ _________(彩虹). It’s in the ______.
6. How many _______(手指)?Ten.
7. The elephant has _____ _____ ______.( 四只大脚)
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