Yesterday was Saturday. It was a busy day. In the morning Amy got up early to help her mother cook breakfast. Then she cleaned the house and washed clothes. After a short rest, she went to the supermarket with her mother. They bought lots of vegetables, food and fruits. She was very tired. In the evening, she watched TV and went to bed early.
( ) 1. Saturday was a busy day.
( ) 2. Amy got up early and do morning exercises.
( ) 3.Amy didn’t clean the house.
( ) 4. Amy and her mother went to the supermarket.
( ) 5.Her mother went to bed early.

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

