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I’m Sarah. I live in a big city. Usually my father goes to work by car. The traffic is very heavy (交通拥堵) . His car is very slow. He goes home very late every day. And he is very tired. He doesn’t like playing with me after work. Today, he is happy. He says: “There is going to be a train near our home! I am going to work by train. It is fast. I can read newspapers on the train. I can listen to music, too. ” He can come home early and play with me after work. We will be happy.
1．Sarah’s father usually goes to work by subway.2．Sarah’s father goes home very late every day.
3．He often plays with Sarah after work.
4．There is going to be a train near Sarah’s home.
5．Sarah’s father can read newspapers and listen to music on the train.
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
