Today I see an ad (广告). I know you
Yours,
June1.
A.have | B.see | C.need |
A.swimming | B.piano | C.English |
A.first | B.family | C.last |
A.don’t | B.can | C.can’t |
A.fine | B.nice | C.good |
A.for | B.to | C.with |
A.the | B.a | C.an |
A.spell | B.speak | C.tell |
A.am | B.is | C.be |
A.call | B.meet | C.thank |
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