( ) 1. 你有些冷,想让别人关上窗户,你应说:________
A. Close the door.
B. Close the window.
( ) 2. 上课了,老师让同学们打开课本,应说:________
A. Open the books.
B. Close the books.
( ) 3.你想问别人:“它是什么颜色?”,你应说: ________
A. What colour is it?
B. What is it?
( ) 4. 你拿了一个苹果,想说:“它是红色的”,你应说:________
A. It’s green.
B. It’s red.
( ) 5. 当你想知道同桌有多少支铅笔时,你应问:________
A. How many pens do you have?
B. How many pencils do you have?

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

