Mr Zhao and
Mr Zhao is from Shanghai. His parents and friends will
A.her | B.his | C.its |
A.afraid | B.happy | C.sad |
A.get to | B.get | C.come |
A.at | B.for | C.on |
A.by | B.on | C.in |
A.to | B.from | C.near |
A.are | B.were | C.be |
A.look | B.see | C.watch |
A.about | B.with | C.for |
A.lot of | B.many | C.much |
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