Yesterday
It was Saturday yesterday. It was sunny. I got up at 7:30. After breakfast, I went to the supermarket with Ann. There were many people in the supermarket.
We bought some fruits and vegetables. They are healthy. And I bought a new skirt. Ann bought a pink dress. We had a good time .We were tired, but happy.
( )1.Yesterday was Saturday
( )2.The weather was sunny.
( )3.I got up at 7:00.
( )4.I went to supermarket with Lucy.
( )5.We weren’t tired and happy.
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