Hello, I am Amy. My favourite
A.season | B.date | C.food |
A.cold | B.sunny | C.cool |
A.hot | B.cold | C.warm |
A.swims | B.swimming | C.swim |
A.is | B.are | C.call |
A.Him | B.She | C.Her |
A.Monday | B.spring | C.April |
A.Because | B.Why | C.So |
A.flies | B.fly | C.flying |
A.plant | B.plants | C.planting |
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