(1)She helped her mother yesterday.(变一般疑问句)
________________________________________
(2)The bad man took Maliang’s paintbrush.(变否定句)
___________________________________________
(3)They came last week.(就画线部分提问)
__________________________________________
(4)He is watching TV. (变一般疑问句)
__________________________________________
(5)I went to the park.(就画线部分提问)
__________________________________________
(6)They saw lots of flowers.(就画线部分提问)
___________________________________________
(7)Tom broke his toy. (变一般疑问句)
____________________________________________
(8)Linging usually plays the flute on Sundays.(变一般疑问句)
__________________________________________
(9)Chinese peopleinvented paper.(就划线部分提问)
__________________________________________
(10)He will go to the zoo tomorrow.(变否定句)
__________________________________________________
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