Dear Li Ming,
How are you? I miss you very much.
Let me
Please
Jean
1.A.say | B.speak | C.tell |
A.different | B.same | C.the same |
A.from | B.on | C.between |
A.At | B.Of | C.Between |
A.some | B.many | C.any |
A.having | B.have | C.has |
A.behind | B.after | C.from |
A.teach | B.play | C.have |
A.every | B.the | C.an |
A.speak | B.tell | C.write |
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