1.There w________ a parrot s_______ in the zoo yesterday. We s_____ many interesting birds. We h_____ lunch in the zoo. We b______ some bread and honey and some drinks. But there w_______ ants on t______. We could not eat them. Then it rained. We were h_______ and wet. W______ a day!
2.Many years ago, there w______ not many cars in the city. I c______ only ride to school. Now I t______ the metro to school. I also have a c______. I can read an w_____ news on the Internet.

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

