Today is Sunday. It’s a fine day today. The sun is shinning. The sky is blue. Mr Smith and his family are walking in the park. They are walking on the bridge. There are some boats on the lake. Mr Smith and his wife are looking at the boats. Tom, their son, is looking at the birds in the sky. Mary, their daughter, is not looking at the boats on the lake. She is looking at a big ship. They have a good time.
( ) 1.Today is a rainy day.
( ) 2.There are three people in Mr Smith’s family.
( ) 3.Mr Smith and his wife are looking at the boats.
( ) 4. Mary is looking at a big ship.
( ) 5.Tom is looking at the birds in the sky.
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