1. tall(比较级)______ 2.heavy(比较级)_________ 3. have(单三形式)_____
4. thin(比较级)______5.watch(过去式)____________6.go(过去式)________
7. foot(复数) ________8.fish(ing形式)________9. study(过去式) _____
10 meter(简写)________ 11. their(同音词)______12. let’s(完全形式)______
13 we(宾格)_______14. big(反义词)________15. shorter (原级)__________
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