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Mike’s mom Cindy works in a factory (工厂). She is busy and tired every day. Mike’s dad and Mike want to help her. Cindy often goes shopping after work. So Mike and his dad go to the supermarket first. Cindy always cooks delicious food for them. Mike and his dad are busy in the kitchen. They want to cook a big dinner for Cindy. When Cindy comes back, they finish the big dinner. Cindy is very happy. They have a happy dinner together.
1．Cindy is very busy and tired every day.2．Dad and Mike love Cindy.
3．Mike and his dad meet Cindy in the supermarket.
4．Cindy cooks delicious dinner today.
5．Mike has a happy family.
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
