(1)我昨天感冒了。
_______________________________________________________________
(2)北京是中国的首都。
_______________________________________________________________
(3)上海在南边。
_______________________________________________________________
(4)请安静。
_______________________________________________________________
(5)星期一我将去游泳。
_______________________________________________________________
(6)It’s a book about London .
_______________________________________________
(7)She’s a bit shy .
_______________________________________________
(8)We’re going to have a picnic .
_______________________________________________
(9)I fell off my bike on Thursday .
_______________________________________________
(10)Daming had two big watermelons yesterday .
______________________________________________
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