(_______)?1.?A.?stone???? B.?grass??????? C.?water????? D.?home
(_______)?2.?A.?train???? B.?write?????? C.?bus??????? D.?subway
(_______)?3.?A.?there???? B.?where????? C.?weather???? D.?here?
(_______)?4.?A.?city????? B.?town??????? C.?school???? D.?province?
(_______)?5.?A.?fruit????? B.?find??????? C.?food?????? D.?vegetables
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